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  • 08/28/15--19:07: Sip Phone Service Providers
  • This is a list of SIP phone service providers around the world. SIP phone service is increasingly helpful for people and businesses looking for affordable phone service.

    For example, with a Nokia N80 which works on 3G, WiFi and a built in SIP Client, any SIP based service provider can now be a mobile phone carrier, riding on the network of other data service providers on a mobile phone.

    Major SIP Based Service providers.


    1Pipe Telecom | OnePipe is a licensed carrier providing Hosted PBX and SIP Trunking in over 50 countries. We have regional network facilities spread across the globe.
    • Actual US CLEC
    • Branded customer portals
    • Multiple geographic locations on one Hosted PBX
    • Coverage in over 50 countries
    • Unlimited inbound on each channel
    • Great for inbound call centers
    • No fee's per user or extension

    Alcazar Networks Inc. is offering Wholesale Origination / Termination / Free Toll Free Termination - Get paid for your toll free traffic! We provide high quality, dependable access to over 3100 rate centers and instant access to over 1,200,000 DIDs including T38 and local number portability. Wholesale SIP

    AVOXI AVOXI Virtual Call Center Solutions - VoIP Service Provider, provide virtual call center products like SIP trunking and VoIP gateway solutions, with international toll-free numbers. Contact AVOXI at +1-770-937-9735 to learn more about these products and services.

    Axvoice SIP based VoIP phone service. Works on computers as well as smartphones.

    ClearSwitch - ClearSwitch provides SIP trunks to major corporations in North America. Pay-as-you-go payment structure, DID's available in over 7000 ratecenters, guaranteed Premium US/Canada routing, Premium international routes, multiple North American servers, crystal clear connections. Superior solution for softphone, Fring, etc.

    Conexiant - Wholesale VoIP– direct connections to CLECs for best quality, inc. Level3.
    • Global Level 3 footprint Denver, LA, Hong Kong, China and Frankfurt, Germany
    • DIDs, Toll Free, E911 service, T.38,VoIP fax, quality termination and dedicated VoIP servers
    • DIDs per-channel or per-minute
    • Get paid for your toll-free traffic

    DIDForSale We offer largest coverage all over US with more the 11000 Rate Centers. Multiple products for all size companies. Highly rated for price, quality and customer satisfaction.
    • Works with any SIP based PBX like Asterisk, Freeswitch, Free PBX, Cisco, Opensips, Kamailio, VoIP Switch
    • No Commitment, Many products to fit your budget.
    • Unlimited calling on SIP Trunks
    • Largest Single Tier SIP Trunking with unlimited minutes anywhere.
    • DIDforSale now also provides US, UK and Canada DID's.
    • You can get Local Phone number for your business.
    • Low per minute Toll Free numbers
    • DIDforSale now also offers unlimited inbound/outbound

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  • 08/28/15--19:08: VOIP Resellers
  • VoIP Resellers

    This is a list of VoIP resellers in Alphabetical Order:

    1Pipe Telecom | OnePipe is a CLEC providing SIP Trunking, Hosted PBX, IP and other services, we provide services on our own network and gateways.
    • Custom portal for your customers
    • Actual US CLEC
    • Set your own pricing for your customers - Contact Us Toll Free @ 877.434.8647 - UK BASED/ 247 SUPPORT - Call us on 0121 314 1114
    • Add to your telecoms business or start your own business reselling business telecoms today with the Air 21 Group
    • Whitelabel reseller program
    • High Commissions
    • Wholesale VoIP origination
    • Termination SIP Trunking
    Click to enquire now

    Alcazar Networks Inc. is offering Wholesale Origination / Termination / Free Toll Free Termination - Get paid for your toll free traffic! We provide high quality, dependable access to over 3100 rate centers and instant access to over 1,200,000 DIDs including T38 and local number portability. Wholesale SIP

    Asterisk SIP Trunking - US — Offers SIP Trunking for Asterisk. Over 500,000 DID's available in 9,500 rate centers. You can activate and setup service in minutes. TDM Enterprise quality. Fully qualified Asterisk consultants ready to assist you. Live customer service with 24/hr ticketing system. No per channel fees, we offer unlimited channels in with your SIP trunk. FREE API for your website. Use our API to leverage the power of our customer user portal on your own website. You can build your own back office admin panel with our API and also provide your customers the ability to order DIDs in REAL TIME along with setting up SIP Trunks. Automate everything and increase customer base.Our Asterisk SIP Trunks are not only for Asterisk. We work with every IP Ready telephone system. Try us out today! No contract and low rates. DIDs are $0.50 per month, Toll Free DIDs are $0.50 per month US/Canada calling rates per minute are $0.009 for TIER1 quality calls. Nothing will route out low quality networks. International calling is available immediately upon registration. Auto refill on your credit card will ensure your account never runs out of funds.
        • New *** Wholesale Reseller User Portal and Admin Portal. With this new service you can customize your own Admin and User portal to sell SIP Trunk Services to your end users. This means that you can set your own rates to your customers, your admin portal will charge your customers in real-time so you never have to chase your money. All services are turned up in real-time for your end users. This includes DID ordering, SIP Trunks, vFAX and all other telecom related services. This is the ultimate reseller portal program. As for the requirements you must have an Authorize. ...

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  • 08/28/15--19:10: VoIP Routes
  • VoIP Routes are similar to regular telecom routes, except they are designed for use with VoIP telephone systems. VoIP packets can travel over the Internet over VoIP routes, which essentially lets the VoIP call bypass the traditional telephone routes.

    Check out the table on the right side of this page to find providers of VoIP routes. You can also browse our VoIP routes forum to buy and sell VoIP routes and minutes.

    VoIP Routes Providers

    • RouteSell - Direct NCLI Wholesale VoIP Provider. BDNCLI,PAKNCLI,NEPALNCLI, multiple VoIP providers, with lowest price offer,contact email & IM; Skype;intezarsales.
    • RouteCall - VoIP exchange. Single interconnect, multiple VoIP providers, per code routing table customization.
    • Alcazar Networks Inc.
    • conexiant telecom
    • DIDForSale We offer largest coverage all over US with more the 11000 Rate Centers. Multiple products for all size companies. Highly rated for price, quality and customer satisfaction.
    • Works with any SIP based PBX like Asterisk, Freeswitch, Free PBX, Cisco, Opensips, Kamailio, VoIP Switch
    • Global Wholesale Telecom - The world's leading wholesale VoIP rate exchange.
    • Vitcom LLC Home of the Unlimited (UDID™) plan. Get unlimited, no session or per minute fees. One low monthly fee. Excellent API and robust User Portal. E-911, CNAM plus much more!
    • Vitelity Communications
    • Vida Network A to Z termination
    • VoIP Innovations
    • Smart Voice Network
    • x164 Route for Profit offers Hosted rates, routes and statistics, Online routing by highest profit, Call data records database, Online rate generator and Hosted softswitch.

    VoIP Routes testing services

    See also

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    Asterisk consultants: United Kingdom

    Add your entry here (Alphabetical order by country and company):
    This page is growing large. Please don't post logos!!


    1comms is based in Trafford, Manchester and are providers of asterisk-based VoIP solutions for UK businesses. We supply everything from installation and support, lines, voip services, broadband, and hardware. We have various discounted options for telecoms and IT resellers.

    3C Limited

    3C are based in London, and offer:
    • Custom telecommunications solutions based on Asterisk - IVR, calling card, etc.
    • Call termination
    • Inbound DDIs

    9 Irons Technology Limited

    9 Irons Technology Limited Are based in West London offering local area network design and installation to support your voice over IP requirements. We can also custom build Asterisk based telephone systems for SMEs, or provide installation and maintenance assistance for Asterisk systems.

    Active Information Design

    Active Information Design, located just outside Glasgow develop web applications that range from brochure-ware, mobile and e-commerce solutions through to bespoke asterisk web applications.


    Adepteo Are based in North Manchester and have been providing content managed websites, e-commerce, wap and other related sites since 2001 and are now integrating Asterisk into our online solutions to help businesses and startups to make best use of the internet.

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  • 08/30/15--00:07: VoIP Providers China
  • This page is a list of VoIP service providers in China. Please keep this list in alphabetical order. China VoIP providers looking to add their services can do so in the list below.

    • China SIP Trunking (CTS): A Leading Business VOIP Solutions Provider in China. Hosted PBX in China, SIP Trunking in China, DID Number, Toll Free Number, VOIP Consulting, VOIP System Maintenance, VOIP Architect, VOIP Specialist, Microsoft Lync Integration ... All VOIP things in China
    • Image
    • China Hosted PBX (CTS): A Leading Business VOIP Solutions Provider in China. Hosted PBX in China, SIP Trunking in China, DID Number, Toll Free Number, VOIP Consulting, VOIP System Maintenance, VOIP Architect, VOIP Specialist, Microsoft Lync Integration ... All VOIP things in China
    • BOL - VoIP Service Provider's Provider. Provides both H.323 and SIP softswitch, wholesale system, prepaid/postpaid realtime RADIUS billing, cutomizable softphone (encryption function included), softphone SDK, callingcard, callback system and SIP Session Border Controller with encryption function. VoIP services: Wholesale(86), H323/SIP A-Z Route, Co-location at HongKong.
    • DIDWW:Chinese DID available now instantly on on-line store.
    • China VOIP provider.with high quality and low cost.
    • International Carrier Exchange, Room 701, Oversea Chinese, Venture Building, Shenzhen, China
    • Live-TechOffers TalkSwitch VoIP Hardware & Lynk VoIP Services | Remote Technical Support | VoIP Service Plans | Worldwide Support
    • China DID Provider offers local VoIP DID Virtual Phone Numbers. A low cost virtual international telephone number with free incoming calls and call forwarding
    • Reseller needed. Provides Business IP-PBX, ATA, IP-phone, DID numbers and service bundles in USA, Canada, China and India.
    • VoIPCall Secure provides subscribers secure-encrypted phone service to businesses and high net worth individuals who want to keep their private phone calls private. Service available across the globe. Includes unlimited subscriber to subscriber calling and pay for service international calling.
    • http://www.voptech.comVoptech is a professional VoIP products provider,we have life long technical support,our products both competitive in price and quality.We also had been passed the Elastix compatible test already.IPLAN Argentine (, a leading VoIP service provider in Latin America, orders several thousands of IP Phone VI2006 from us every month. We have VoIP Gateway with up to 96 FXS/FXO Ports. It had been certified by Mitel Canada (, together with Cisco, AudioCodecs Gateways.

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    List of DID service providers in China. View the list of China DID service providers below, and in the table on the right side of the page.

    • China DID with China local service China Telecom Shanghai DID . A Leading Business VOIP Solutions Provider in China. Hosted PBX in China, SIP Trunking in China, DID Number, Toll Free Number, VOIP Consulting, VOIP System Maintenance, VOIP Architect, VOIP Specialist, Microsoft Lync Integration ... All VOIP things in China

    See also

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  • 08/31/15--14:04: VOIP sites
  • Links to other Non-Commercial VoIP sites

    This page is intended for informative and/or community related websites only. Postings of websites from manufacturers, VoIP networks, consultancy, free calling, calling cards and other commercial websites will be removed. See also Asterisk news and blogs. Links out of URL order are also subject to deletion. (hint, make your display tag the same as your domain name)


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  • 08/31/15--18:34: Toll Free
  • To receive calls to USA and Canada TollFree numbers (800, 866, 877, 888, 855), you will need and Toll Free Number service provider.
    To send calls to USA and Canada TollFree numbers you can either send these calls to your usual long distance service provider (who may charge you by the minute) or send the calls to one of these free: Toll Free Termination Providers. If you have a large volume of calls to tollfree numbers, some Toll Free Termination Providers will pay you for the calls.

    Toll free (800, 866, 877, 888, 855) phone number providers:

    (In alphabetical order):
    • Alcazar Networks Inc is offering Wholesale VoIP Origination / Termination / Free Toll Free Termination - Get paid for your toll free traffic! Wholesale SIP
    • Anveo offers USA, Canadian and international Toll-Free phone numbers. Anveo provides web based Visual Call Flow Designer where you can easily create custom IVR Call Flow for your business. Anveo has many exceptional features including click to call, ringing multiple phones, call transfers to Skype or Gizmo5, conference calls, online FAX, voicemail, extensions, Business Control Panel to create and manage employee's sub accounts and more!
    • BinFone Telecom offers toll free service, delivered via SIP and IAX.
    • ComCanada CommunicationsCRTC Registered, Provider of Hosted PBX, DID service, Toll Free, equipment sales, consulting, and retail/wholesale origination & termination. Supported Protocols: SIP & IAX 1-877-697-VOIP
    • Conexiant Wholesale VoIP – direct connections to CLECs for best quality, inc. Level3.
      • Global Level 3 footprint Denver, LA, Hong Kong, China and Frankfurt, Germany
      • DIDs, Toll Free, E911 service, T.38,VoIP fax, quality termination and dedicated VoIP servers
      • DIDs per-channel or per-minute
    • DIDx.NET Buy Toll Free DID numbers at wholesale in more than 100+ countries and its cities from DIDx, The Wholesale DID Exchange Platform for DIDs.
    • Database Systems Corp.Toll Free Phone Services - IVR toll free services. Products include voice broadcasting, IVR systems, IVR software and IVR hosting services.
    • Easy Office Phone - Toll free services delivered via SIP or with our Hosted PBX platform.
    • Flowroute LLCWholesale VoIP, A-Z SIP Termination, Cheap DIDs, Toll-Free Origination, Free CNAM Storage, E911, T. ...

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  • 09/01/15--06:43: Virtual PBX providers
  • Virtual BPX is a service offering functionality of a PBX without the need to install switching equipment at the customer location. Only VOIP phones need to be installed at the customer site. This makes supporting distributed workers very easy as each requires only and internet connection and a VOIP phone. A business virtual PBX phone system can reduce your monthly phone bill significantly compared to a traditional business phone system.

    What Is a Virtual PBX?

    A PBX, short for private branch exchange, is a telephone system with the capacity to switch calls between different users on local lines while still relying on the same number of external phone lines. With a virtual PBX system, the system is posted and software based without all of the traditional hardware of a physical PBX.

    Virtual PBX Primary Function

    A virtual PBX is used by businesses in a variety of ways. Primarily, companies utilize the system as an auto-attendant to establish preset call transfer options without needing an operator or receptionist. This type of system is capable of performing tasks that include auto-attendant settings, time of day or day of week functions, or even find or follow me sequences.

    One of the most important functions of a virtual PBX system for companies is the software’s ability to establish pre-determined sequences. For example, in some businesses it may be appropriate for the phone to ring to a receptionist or operator first. If the receptionist does not answer in a predetermined number of rings, however, the call is then transferred to a secretary. Again, if the call is unanswered, it can be set to forward to an assistant. Left unanswered by these two individuals, the call can be forward to a manager or even an owner. These call settings are completely customizable and can be based on any number of sequences.

    This type of software is also able to facilitate customized answering menus and sub-menus. The system can be modified to establish appropriate dial prompts leading to a number of different departments within the business, including different sequences on different days. PBXs are used by the vast majority of businesses to establish advanced call routing services.

    Virtual PBX Cost

    A virtual PBX is a complex service; however, that doesn’t mean that it is expensive. In fact, a virtual PBX is typically more cost effective than a physical PBX. The main reason that a virtual system saves on cost is that it does not require the same investment in capital to establish or set-up the call system. Because a virtual PBX is a software or hosted system, it is typically an operational cost, or a low monthly payment rather than a large upfront investment. This aspect alone generally makes a virtual or hosted PBX a less expensive, or at least more cost effective, option compared to the traditional PBX.

    Virtual PBX Benefits

    Aside from offering an effective call system, a virtual PBX presents a number of added benefits for users. As a whole, virtual PBXs lead the industry in business communication choices. This type of system seamlessly integrates the call management system with any existing phones to affordably and effectively deliver better call management. These systems also feature several innovative call features to meet the needs of any business. These systems offer various functions including call routing, follow and find me call forwarding, voicemail notifications, call recording, and more.

    The benefits aren’t limited to the features, though. Virtual PBXs offer virtually limitless application for one or hundreds and even thousands of employees. Likewise, there is not hardware to maintain or constantly upgrade. Considering that benefit, the system is also more cost effective and generally provides for a variety of flexible billing options. The limited maintenance, web-based management, and hassle-free setup alone are often enough to convince a company to switch over to this option.

    PBXs are an important tool in any business that makes and receives nearly any volume of calls. A virtual PBX can dramatically increase the efficiency of a business by effectively managing calls. This efficiency combined with the other numerous benefits of a virtual PBX can virtually transfer the communication capabilities of any company.

    List of Virtual PBX Providers


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  • 09/02/15--06:23: Hosted PBX
  • What is Hosted PBX?

    Unlike a traditional PBX, or Private Branch Exchange, which requires a large investment and ongoing maintenance and training, a hosted PBX is a cloud-based PBX system accessible via an IP network. Rather than being responsible for hardware, software, training, maintenance, and more, a hosted PBX provider takes care of it all. In addition to being completely managed off-site, resulting in no IT or installation costs, a hosted PBX system also provides businesses with the ability to manage their phone systems via a user-friendly control panel. For these reasons and more, hosted PBX systems are becoming increasingly popular solutions for today’s growing small to medium-sized business owners.

    Features and Benefits of Hosted PBX

    If you own a business with fewer than 300 lines, hosted PBX can provide you with a multitude of features and benefits. For starters, a hosted PBX system is much less expensive than a traditional on-site system. With hosted PBX, there is no need to buy expensive hardware and software, pay for installation, and manage the system. You simply pay a monthly fee and enjoy all of the benefits of the service.

    While less costly than standard on-site PBX systems, hosted PBX solutions are teeming with valuable features, such as on-hold music, call waiting, call routing, transfers, and more. Moreover, as the popularity of hosted PBX continues to grow, additional features like auto attendants, extension dialing, and ACD queues are being introduced.

    A hosted PBX can also be deployed immediately. In fact, most business owners are able to have their hosted PBX setup and running in under a day. Best of all, newer and more flexible hosted PBX applications are being deployed as well. Adding these applications and features can typically be done with a simple download or click of the mouse.

    The ability to add new features as they roll out is just one example of the scalability of hosted PBX. Additional lines, phones, and even an entire new department can effortlessly be added, which would be much more complex with a traditional on-site PBX.

    When you opt for a hosted PBX and outsource all the techie stuff, you will find your stress levels lowering as well. With a hosted PBX, a mountain of responsibility will be taken off your shoulders, allowing you to focus your attention on more important matters, like improving your bottom line.

    Hosted PBX Tips and Considerations

    Hosted PBX systems are incredibly easy to setup and utilize, but there are a few things you need to do when opting for one of these modern business phone solutions, such as:

    • Make Phone Number Arrangements – A temporary phone number is necessary for the porting process, but if you already have an existing number to port over, you must remain with your current provider until the number is ported to your new PBX provider. If you are getting a new number, it’s important to update others and let them know of the change through an email blast or similar means. While brief, all calls can be conveniently routed to cell phones during the transition period. Just remember, if you cancel your service with your previous carrier prior to porting your number, the number will no longer be yours to keep.
    • Arrange Your Dial Plan – When switching over to a hosted PBX, organizing the routing of your calls is one of the first things that must be done. In order to do so, you’ll need to define various rules for your calls, including:
      • The buttons used to activate voicemail and other features
      • The hours of operation for your desk phones
      • Setting up your directory
      • The handling of faxes
      • Sequential and simultaneous ringing
      • How off-hour calls are handled
      • Configure your emergency 911 settings

    Review Your Bill

    As you can see, setting up a hosted PBX is remarkably easy. However, after doing so, you should review the bills for the first and second month to ensure you’re receiving and utilizing all of the services you’re paying for. Depending on which company you choose as your hosted PBX provider, the first month’s bill may or may not reflect activation fees, setup fees, and number porting fees. The second month’s bill should be a typical bill without added charges for the setup process. By this point, you'll be well on your way to enjoying one of the most streamlined and hassle-free business phone systems available for small and medium-sized business owners. ...

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    Business VoIP Providers - Compare and Choose a Business VoIP Provider

    Quality business VoIP providers today offer a wide variety of feature packages, services and prices. Selecting the ideal provider and service options will depend on your type and size of business, features needed and projected volume of usage. Even when working with top-tier providers, your basic monthly service charges per line may begin at rates as low as $20. Before choosing your VoIP provider, it is essential to first determine your company's precise telecommunications needs to enable timely and cost-efficient initiation of your service. By consulting your chosen Voice over IP service team and seeking their expert advice in advance, you can be prepared to take the following steps to facilitate the smooth, productive startup of your services:

    • Evaluate Your Internet Connection. - Determine the strength and capacity of your Internet connection and bandwidth. You need to ensure that your system has adequate speed to best accommodate your new VoIP installation for top quality service.
    • Assess Your Company Budget and Needs. - With knowledge of your company's current budget and VoIP needs, you can more easily select the service provider and feature options that meet your requirements.
    • Determine Your Equipment Needs. - Evaluate your current and near future VoIP equipment needs. Phones can be purchased from around $50 to $500 or more. Once you decide which feature options are immediate requirements and which ones can be added later as needed, you are ready to choose your service provider.
    • Compare VoIP Providers. - By comparing VoIP company service options, advanced features and equipment along with user and industry reviews, you can best make a wise decision, selecting the ideal VoIP provider for your enterprise.

    Important Information to Request from Any Potential VoIP Provider

    Before signing a service contract with any business VoIP provider, be sure to request basic service information and practices in writing. You need to be certain of such details as startup costs and monthly fees, any limitations and costs on portable phone numbers and exactly which features are included in the service package you select. You also need to know if international calling is included, charges for adding extra features and the extent of customer care and technical services provided. Also important are such issues as whether your provider offers a money back guarantee and if there are any cancellation fees. It is also helpful to determine prior to signing up for VoIP services if there are any hidden fees assessed by your chosen provider.

    Take Full Control and Advantage of Your VoIP System

    Once your new business VoIP system and service are in place, you and your staff members will have full-control capabilities for use of your business communications system. Your service provider will ensure connection with your online portal for customizing your telecomm options. These modern digital portals are user-friendly, enabling feature changes and additions to be made for immediate availability. You and your staff can make decisions and changes in real-time that work for you right in the moment.

    You can manage your call settings remotely, directing calls to voicemail or having them transferred to another number or extension. You can also make exceptions to any chosen setting in your phone system. For example, if you are expecting an important business call and want to take that call, but hold all other calls for a few hours, you can set your phone to direct only the designated call to ring on your extension. This system allows and encourages you to take complete control of your telecommunications systems and settings so that the service works for your best interests and immediate needs at all times.

    Major Business Benefits and Advantages of Installing VoIP

    With an excellent quality VoIP system installed and running well in your company offices to provide remote access for you and your employees, you can work much more efficiently, achieving more in less time. You will enjoy the many benefits of knowing that you can leave the responsibility of your advanced office telecommunications system operations to your VoIP provider while you handle other important business matters. Other major benefits and advantages of your new business VoIP system enable you to accomplish the following:

    • Schedule Your Own Business Hours. ...

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  • 09/02/15--06:55: VOIP Service Providers
  • For a list of VOIP to PSTN service providers, indexed by country, please see:

    VoIP and VoIP Service Providers

    What is VoIP?

    VoIP (which stands for "voice over internet protocol" and is commonly referred to simply as an internet phone) is a highly cost effective and reliable way for businesses or even homeowners to make calls across the world or even just across town. The majority of major cable companies that offer bundled internet, television, and phone services already utilize this newer technology, but there are tons of other independent companies that specialize in providing this service to their customers at reasonable rates and with tons of extra features.

    More Than Just Computers

    When people think of VoIP, they generally think of computers due to the popularity of the numerous free communication services like FaceTime and Skype, but this is truly just one aspect of what VoIP can truly offer. It is true that VoIP technology transmits voice communication that's been converted into digital data across a packet-switched network or the internet (what this means, in essence, is that a user making phone calls over high speed internet lines rather than phone lines). With that in mind, users are not confined to only using it on a computer. VoIP technology can connect through the internet using traditional telephone equipment just like a regular line. The phone itself is connected to the internet using an adaptor that's plugged straight into a home or business's internet network. Most major services offer a softphone option as well, which allows the user to use their computer directly as a telephone service. In addition to all that, VoIP providers will generally also offer mobile or tablet apps that allow their customers to make calls on the device (assuming it's connected to Wi-Fi at the time). ...

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  • 09/02/15--14:03: VoIP Hardware
  • This page lists information about VoIP hardware and VoIP hardware products. For phones and hardware to use with Asterisk, including VoIP phones (both hard and soft phones) and Analog Telephone Adapters, see Asterisk phones.

    PSTN Interface cards (analog, GSM, ISDN-PRI and R2/MFC)

    This section contains VoIP hardware for connecting analog or digital phone lines from the Public Switched Telephone Network to your Asterisk server. Please keep VoIP hardware providers in alphabetical order.

    2-Day Direct

    • Cisco SPA303 3-line business-class IP phone; Connects directly to an Internet telephone service provider or to an IP private branch exchange (PBX)
    • Cisco SPA504G Full-featured 4-line business-class VoIP phone supporting Power over Ethernet (PoE)
    • Cisco SPA525G2 5-Line Business IP Phone with Enhanced Connectivity and Media for a New Level of Small Business User Experience; includes wifi and bluetooth connectivity
    • Cisco SPA514G Advanced, Affordable, Feature-Rich VoIP Phone for Business or a Home Office; Full-featured 4-line business-class VoIP phone supporting Power over Ethernet (PoE)
    • Cisco SPA508G Full-featured 8-line business-class IP phone supporting Power over Ethernet (PoE); Connects directly to an Internet telephone service provider or to an IP private branch exchange (PBX)

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  • 09/02/15--14:13: Sip Trunking Providers
  • This page is a list of SIP trunking providers around the world. Please keep this list in alphabetical order. SIP providers looking to add their services can do so in the list below.

    Country specific pages:

    What Is SIP Trunking?

    Traditional phone calls go over phone lines, but with the rise of the internet, Voice Over IP communication systems give you much more functionality to receive a high volume of calls. This is called SIP (session initiated protocol) trunking. These services are offered by the majority of VoIP providers and can be tailor made to suit the needs of a small business all the way up to a large corporation with a gigantic workforce and everything in between.

    One of the main advantages of going with SIP trunking is that it will integrate everything from data, the internet, your video, and your voice services all into a single line. The term "trunking" is a bit dated and goes back to a time when traditional telephone services were used and it described how a wide variety of telephone users could share a much smaller pool of communication paths, thus making it a much more efficient option for businesses than getting a separate phone line for each worker. That was in the past, though, as today's SIP trunking capabilities will even allow all calls to be considered local calls and won't even require the business to have a single phone line at all.

    The Benefits of Using SIP Trunking Services

    Choosing to use a good SIP trunking service will significantly level the playing field for smaller business to compete with large corporations and appear much more professional and bigger than they actually are. For larger business, one of the main advantages is being able to much more easily maintain that local presence. Regardless of the size of the business itself, SIP trunking's biggest benefit overall is simply the reduction in cost to the company's overall expenses. This is particularly true for SIP VoIP services that are specifically crafted for a business in particular.
    • It offers very low cost calling.
    • It's much easier to scale than other options, making it very future proof.
    • SIP trunking makes moving a breeze, as you can easily take your phone number with you while moving offices or even while traveling.
    • Network outages are much less impactful, as incoming calls can easily be routed to other locations.
    • It's ideal for any sized business with at least 25 physical phones.
    • It's a fantastic choice for any business that has an international location.
    • It offers the same sort of emergency usages and will even offer enhanced 911 dialing options.

    How SIP Trunking Can Take Your Business To The Next Level

    It used to be that you had to have a PRI (Primary Rate Interface) in order to have video, voice, and data all on a single line. This was a physical device that had to be purchased separately but along with your chosen phone provider's calling plans. This is no longer the case with SIP, as it allows your provider to set up a proxy server (commonly referred to as a SIP proxy), which will provide the outgoing, incoming, and PBX calls for you. Everything is located off site and handled by a professional IT team or contractor through your provider, meaning it saves you a ton of time and money on the technical support side of the equation.

    Being temporarily shut down means simply having the SIP reroute calls to a different office and also allows you to much more easily outsource to international locations, such as with customer service centers.

    All of these benefits are much better than what traditional PSTN (public switched telephone network) have been able to provide through their services and will give your business just what it needs to take it to the next level. ...

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  • 09/02/15--16:54: SIP Trunk Providers UK
  • This page is a list of SIP trunk providers in the UK (United Kingdom) including England and Scotland. Please keep this list in alphabetical order. UK SIP providers looking to add their services can do so in the list below.

    1comms VoIP provider for UK Businesses. Sip trunk services, UK DDI's and Asterisk Support for business users and resellers. White label & fully itemised per second billing.

    1Pipe Telecom | OnePipe is a licensed carrier providing Hosted PBX and SIP Trunking in over 50 countries. We have regional network facilities spread across the globe.

    • Actual US CLEC
    • Branded customer portals
    • Multiple geographic locations on one Hosted PBX
    • Coverage in over 50 countries
    • Unlimited inbound on each channel
    • Great for inbound call centers
    • No fee's per user or extension

    2 - Tel2 - Feature-rich VoIP provider with FREE signup and UK DIDs. Offer a host of services including call recording, web and video conferencing and collaboration services, faxmail (+ T.38 passthru), locate me, Smartphone and Desktop Apps and more. We offer all UK landline and tollfree numbers. Suitable for all users from residential, business through to large call centres. Wholesale and reseller programs and a white label 'Telco in the Cloud' product available. Lowest Rates. Save with calling bundle rates of 0.6p for landlines, 2p for Mobiles. 40+ countries at 1p/min. Build your own Telco in the cloud under your own branding and set your own rates and create your own calling plans and bundles using our fully automated web portals.

    Aloha Connect Part of the Aloha Telecommunications Group, a UK National operator. Aloha Connect provides a simple platform to provision a prepaid Free SIP trunk with options to purchase DIDs (numbers) from over 50 countries. Aloha focuses purely on the quality side of the market (especially in regards to international calling). UK and Mobile calls are some of the cheapest rates on the market.

    ALTOTELECOMVoIP provider for business and Call Centers - AltoTelecom is VoIP company that provides SIP Trunking services for Call Centers, hotels, small and large business using a PBX or an Asterisk based predictive dialer such as Vicidial or Goautodial for telemarketing sales, rates under 1 cent per minute to USA, Canada and UK

    • AVOXI is a Sip Trunk Provider. AVOXI virtual call center solutions provide virtual call center products like SIP trunking and VoIP gateway solutions, with international toll-free numbers.


    • Blue Telecoms is a Wholesale SIP trunk provider. Based in the UK, and with interconnects to BT, Verizon, Tata, and Telstra, Blue Telecoms provides high capacity wholesale links for calls worldwide. High CPS limits, along with per second billing, no minimum call charges, and low ASR/ACD requirements make Blue Telecoms perfect for wholesale VoIP and call center traffic. ...

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  • 09/02/15--20:27: softswitch
  • Softswitch is a central device in a telecommunications network which connects telephone calls from one phone line to another, across a telecommunication network or the public Internet, entirely by means of software running on a general-purpose system. Most landline calls are routed by purpose-built electronic hardware however, soft switches using general purpose servers and VoIP technology are becoming more popular.
    Nowadays, many telecommunications networks make use of combinations of softswitches and more traditional purpose-built hardware.

    A softswitch is also a VoIP server, providing a soft switch platform with full IP PBX call features. The most difference from IP PBX is its enormous numbers of users.

    Typical application networking diagram

    Typical softswitch application.jpg

    See also

    Softswitch Manufacturers and Providers

    • SyncSwitch SyncSwitch Standard Platform is a web based interface which gives users a wide variety of business model implementation possibilities including Calling Card, Call Shop, Call Back, PC to Phone, Mobile Dialer, Device to phone, On net calling etc. Supports wide variety of free and proprietary codecs. SyncSwitch Standard Platform is complaint with Session Initiation Protocol(SIP) & IAX2 and facilitate conversion among them. Provides CDR and Billing. Enhanced security measures.

    MediaCore Softswitch


    Download overview

    MediaCore is a high-performance Class 4 Solution for VoIP and SMS services developed by Speedflow.
    It has the following features:
    ● Switching
    ● Routing
    ● Billing
    ● Transcoding
    ● Unique revener assurance mechanism 'Guardian'

    Speedflow provides buyout and hosted/rented options. FREE TRIAL PERIOD is available.

    Read moreat Speedflow web-site
    Get demo:

    Roytel Softswitch RT-EIMS5501


    Roytel RT-EIMS5501 is a VoIP server, providing a soft switch platform with a maximum 100,000 subscribers and 10,000 concurrent users, integrating voice, data and rich value-added services into one single system (All-In-One). It is designed especially for Carrier-class telephony exchanging system, using SIP protocol, providing all IP PBX functional features.
    ● Full call features. IVR, ACD, AA, call recording, basic call features. ...

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  • 09/02/15--20:29: Session Border Controller
  • A Session Border Controller is a device used in select VoIP networks to exert control over the signaling and usually also the media streams involved in setting up, conducting, and tearing down calls. The SBC enforces security, quality of service and admission control mechanism over the VoIP sessions.

    The Session Border Controller is often installed in a point of demarcation between one part of a network and another. Most Session Border controllers will be installed between peering service provider networks, between the enterprise network and the service provider network, or between the service provider network and residential users.

    A Session Border Controller is like a Firewall for VOIP.
    They are often configured as a SIP Back-To-Back User Agent (See SIP RFC).

    In addition to firewall functions they also may provide services like NAT traversal.

    See: NAT and VOIP for more information and watch the video on The Anatomy of Session Border Controllers and To Couple or Decouple Routing Intelligence from SBC.

    Martyn Davies of Dialogic discusses Session Border Controllers as the often misunderstood "black magic" application for VoIP networks.

    Although carriers often use Session Border Controllers for signal translation and security, most do not include the hardware-based signal processing needed for media transcoding. For all-IP environments, new elements are required that can mediate signaling, transcode among different media formats, and handle basic security issues. The concept of Multimedia Border Element (MMBE) meets these needs.


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    Synchronous Bandwidth Optimizer is generally known as SBO. It is a bandwidth solution for VoIP call termination. There are a plenty of good features in SBO. Among these, the most important and highly recognized one is bandwidth optimization. reduce operation cost directly by 80% without compromising with service quality.

    The most updated and best features of SBO is SBO Multipath V.3. It include a wide rang of facilities for termination business. Nowadays, you can easily plug a number of internet connection at a time to develop your service quality.


    In VoIP, we consider transmission cost as one of the major expenditure. Considering such situation, SBO Multipath concentrates on operation cost and it become success to reduces operating expenditure up to 80% by applying it's highly technical features.

    SBO works with any types of NAT and firewall internet,So, there a good change to run business even in highly restricted network. SBO Multipath also increases route performance by increasing Average Call Duration by two to three minutes. Multipath feature also give you an opportunity to plug more than one internet connections at the same time irrespective of types of networks. For example, 3g, 4g, EDGE, Wi-Fi, YMAX etc. These connections can be used simultaneously for your VoIP termination establishment which can balance load among available networks.

    key features of SBO Multipath.

    1. The most important feature of SBO is, it can reduce bandwidth cost directly by 80% without degrading service quality.
    2. SBO works with any type of firewall and has capacity to avoid blockage issue. That means, it has anti-block feature.
    3. Work with all commonly used codes such as G.729, G.723 etc.
    4. Multipath: SBO multipath allow you to use number of internet connection same time. These connections can be used simultaneously for your VoIP termination establishment which can balance load among available networks and it develop service quality expectedly.
    5. Highly secure and linux based software.
    6. Full featured billing platform SyncSwitch is integrated with SBO. It help you to check CDR, ACD, add or remove clients.
    7. Work as third party software.
    8. Increase Average Call Duration (ACD) by 2-3 minutes;
    9. Works with both real IP and local IP. That means it is not mandatory to arrange real ip. Public or share ip is enough to run your business.
    10. Technical support is available 24/7 (265). Our support team is highly experienced and skilled.

    News Update:


    Official Website:Synchronous ICT
    Basis Membership:

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  • 09/02/15--21:52: SBO Bandwidth Saver
  • What is SBO?

    SBO is the short form of Synchronous Bandwidth Optimizer, it is a complete software for VoIP service provider and it's developed by Synchronous ICT, a world famous VoIP software provider. SBO mainly work to reduce the internet cost, beside this, it also has some other cool features.

    How Does SBO work?

    There are mainly two parts in SIP communication, one is payload and another is RTP header. For a SIP call with G.729 it consumes 31.5 kbps bandwidth. But, noticeable matter is that the payload size is only 8 kbps. Rest of the bandwidth is consumed by RTP and other headers. SBO has its own proprietary VoIP protocol which can replace the RTP and only transmit payload size thus reducing bandwidth consumption.

    Why Bandwidth Saver is Important for VoIP?

    Minimizing bandwidth consumption is the main purpose of SBO Solution, but, at the same time it help to reduce business operation cost. As a perfect bandwidth saver SBO cutoff more than 80% internet cost directly to protect it's clients from over paid. But, it never compromised with service quality. In VoIP telecommunication, main expenditure is Bandwidth cost. For a SIP call with G.729 codec it consumes more than 32 kbps of bandwidth. So, per 32 ports bandwidth consumption with G.729 Codec is about 936 kbps and with G.723 its about 657 kbps, while the payload size is only 8 Kbps. Rest of the bandwidth is consumed by RTP and other headers which is not important for voice call. So, a perfect bandwidth solution has capacity to reduce it without degrading the voice quality at all.
    To run a quality VoIP business, required a well maintained, congestion free, telco grade bandwidth connection. Such type of bandwidth connection is very costly as well as extremely rare. So, it was almost impossible to run quality VoIP business basically for small and medium entrepreneurs. But, now things are different, bandwidth saver with multipath facilities make it possible to run IP business with low cost share internet connection by maintaining supreme service quality. A perfect bandwidth saver should have the following key features:

    Key Features of SBO Bandwidth Saver

    Reduce Bandwidth Cost for More Than 80% Without Degrading The Service Quality;
    Increase Service Quality Dramatically;
    Increase Route Performance;
    Increase Average Call Duration by 1-2 Minutes. That means ensure good ACD and ASR;
    Work with any types of internet firewall to ensure interruption free, stable VoIP business.
    Work with all sorts of Internet Connection- 3G, 4G, WiFi, WMAX, EDGE, GPRS and so on;
    It allows using more multiple internet connection at a time to balance load among available networks;
    Work with Low Bandwidth, and manage congested network to ensure high performance.
    It is not important to arrange Static or Real IP to operate your IP business rather it work with normal/ public shared internet connections and support SIP (Session Initiation Protocol);
    SBO generally work with all Commonly use Codec, such as G.729, G. ...

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    Company Profile:
    Ecosmob Technologies Pvt. Ltd. (commonly as known, Ecosmob) is India’s leading IT Company offering various IT software solutions and services. It was introduced in 2007 to provide complete IT based solutions and services. It has its headquarter in Ahmedabad, Gujarat. It has been delivering flexible, simple and affordable IT solutions to the renowned enterprises overseas.

    Ecosmob Technologies has secured a leading place in the VoIP industry with its next generation VoIP solutions and products. The team has the team of experienced developers who have rich expertise in developing customized VoIP software based on the client requirement. The company also offers open source consulting services. In nutshell, the company provides the design, development, deployment, consultancy and support services in the VoIP technologies such as:

    • WebRTC
    • Asterisk
    • FreeSWITCH
    • Kamaliio
    • OpenSIPS
    • OpenSERs

    We provide custom design, development and deployment services for VoIP solutions. Some of them are briefed below:

    Conferencing Solution:
    The company provides a comprehensive conferencing software solution to conduct voice, video and web conferences. It provides custom development services for conferencing solution with selected features from the whole range of features the company offers including, Personalized meeting rooms, Web Phone, Conference wise Polling, Live Conference Viewer, and more. Being an environment friendly solution, the conferencing system is not just reducing the corporate carbon footprints, but it saves the travelling costs and the time to schedule the meeting without any location constraints.

    IP PBX Solution:
    Custom IP PBX solution allows media communication to take place with the help of a PBX combined with VoIP. The IP PBX software solution is not just limited to call features, but also includes an interactive directory listing, DND, conference bridging, IVR, privacy management feature, etc. Being a web/GUI based configuration, the IP PBX system eliminates the phone wiring and vendor lock-in that results in offering better customer productivity and services.

    To get more details about us or to discuss your specific requirements, contact us:
    Phone: +1 303 997 3139 or +91 079 40054019

    Stay connected with us on social media!

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