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  • 11/26/15--18:29: Automatic Call Distributor
  • Automatic Call Distributors

    Automatic Call Distribution or ACD, is a tool commonly used in the telephony industry. ACD systems are commonly found in any office that handles a large volume of inbound calls. The primary purpose of an Automatic Call Distributor is to disperse incoming calls to contact center agents or employees with specific skills.

    The ACD system utilizes a rule based routing strategy, based on a set of instructions that dictates how inbound calls are handled and directed. These rules are often simply based on guiding a caller to any agent as fast as possible, but commonly multiple variables are added, all with the end goal of finding out why the customer is calling. Matching and routing literally thousands of calls to the correct agent is a difficult task, and is often done in concert with Interactive Voice Response and Computer Telephony systems. ACD servers can cost anywhere between a few thousand dollars to close to millions of dollars for a very large call center handling thousands of calls per day.

    Automatic Call Distributor Vendors

    • Automatic call Distributor,Intelligent IVR routing,Call back/SMS service
    • Vocalcom Automatic Call Distributor (ACD) provides a great interface for a swift and effortless experience. Customers can be routed based on Visual IVR selections, customer data, value or history, agent skills or availablility, and much more. By adopting a data-driven routing, you can increase first contact resolution by 70%, and reduce average handle time from 53 seconds – providing more satisfaction, better engagement and a faster resolution for customers. In addition, Vocalcom Vitual Hold can remove hold time by giving to customers the option to receive an agent callback when their position arrives to the front of the queue, eliminating hold time, reducing abandonment, smoothing out call spikes, and giving customers back what they value most – their time. Furthermore, Vocalcom Agent Console provides agents with the tools and information they need to excel by offering an intuitive interface that links customer context from different channels and pushes dynamic guidance to agents. Using this technology, call centers can improve agent productivity, while driving up customer satisfaction and loyalty. Reach us on

    • 3CLogic Cloud-Based Contact Center Software 3CLogic is a leading provider of cloud contact center solutions based on an innovative approach, designed to deliver modern-day contact center features to meet the challenges of a modern world. With 3CLogic's ACD functionality, you can set, manage, and adjust call priorities to automatically ensure the most urgent inquiries are always answered first.
    • ICTBroadcast Automatic Call Distributor: Is a Unified automatic call distribution software solution from ICT Innovations . Feature- unifed Auto Dialing, Custom IVR Designer ,Survey Campaign , SMS blasting & marketing , Fax blasting , Voice blasting ,AMD supported, Email marketing, Basic Call Center Funcationality and appointment reminder software solution.
    • Virtual Phone Number IVR GURU providing ivr service for call center to automatic distribute call to multiple number and we louche new DND software to filter data. ...

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  • 11/27/15--06:19: DID Service Providers
  • A Direct Inward Dialing service provider delivers a telephone number over VoIP protocol including SIP, IAX2 or h323. This DID Phone Number will receive calls using a sip soft phone, hard phone, or an IP PBX. The charges are charged per month, and per min, and per channel based. You do not require a hardware card in case you have a DID service provider to receive call, ie a PRI Card or a Analog Card. The call travels to you all the way over the Internet

    SMS enabled DID Providers

    • DIDWW - the source for wholesale International DIDs and Toll Free Virtual Numbers. We provide SMS enabled DIDs in Canada, Israel, Russia, UK, Ukraine and growing.
    • MultiTEL is providing retail and wholesale Worldwide DIDs - over 90 countries. Pick your own *SMS enabled DIDs from over 40 countries*. (US, UK, CA, Germany, etc). Free access to JSON and SOAP API provided along with programming samples. No contracts, pay per month, instant activation. SMS forwarded via e-mail , URL or as SMS/Text message. All calls are forwarded to SIP, PSTN or to our free Hosted PBX. Coverage and numbers always available in stock from more than 100 countries.
    • Continent Telecom provides virtual SMS numbers in Canada, USA, UK, Germany, Armenia, Belarus, Estonia, Georgia, Russia, Ukraine and Uzbekistan.

    DID Providers by country


    • CarryMyNumber.comAlgeria DID /Virtual Phone Numbers at _wholesale rate@$ 4/month with free PBX with the Free forwarding to SIP, Softswitches ,Trixbox ,Asterisk or VOIP. Phone Numbers from over 70 countries available. Free PBX . Unlimited Channel numbers for call centers /Calling Card Providers__. Largest FootPrint worldwide. No Per Minute charges.
    • Provides Cheapest Algeria DID /Virtual Phone Numbers/DDI Numbers @_€ 6.95/month including free PBX. with the Free forwarding to Skype ,Gtalk , iTalkWorld, Trixbox ,Asterisk or VOIP. Phone Numbers all over the world are available. Free PBX __. Toll Free Number Available without Monthly commitments.
    • BuyDIDNumber We Provide Algeria Virtual Phone Numbers@ $ 7.99 / Month NO SETUP FEE , UNLIMITED CHANNELS available with the Free forwarding to Skype ,Gtalk , Trixbox ,Asterisk , voipbuster , iTalkWorld ,any Betamax Delmont Voip or any other ITSP . Phone Numbers all over the world are available. Free PBX . Toll Free Number Available without Monthly commitments.
    • Currently only national Algerian numbers. Also 70 other countries available. Free forwarding to our PC & Mobile apps , Our PC and Mobile Apps also work in Countries where voip is Blocked . Further We have Lowest Call Forwarding Rates anywhere in world , starting as low as 1/2 cent.
    • Provides Cheapest Algeria DID /Virtual Phone Numbers @ $ 7. ...

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  • 11/30/15--01:53: Cloud PBX
  • A cloud PBX system is a based on cloud computing technology, where data is stored and transferred over the Internet, rather than on a computer or piece of hardware that an end-user owns.

    Cloud technology that has been around for many years, but has only more recently become popular for consumer use with the introduction of programs like MobileMe and the iCloud, both consumer-based cloud computing technologies.

    History of the Cloud

    Cloud technology has many applications for businesses and consumers. In the mid-1990’s, companies that had previously used “point-to-point” data circuits to move and store data began to use a cloud technology instead as they found that this was a cheaper way to do the same tasks, and made more efficient use of bandwidth.

    The term “cloud” likely refers to the drawings of clouds used by its program developers to represent the abstraction of the Internet. The symbol was used to mark the division between responsibilities of the service provider company and the responsibilities of the customer.

    Cloud technology means that you can access the data and services of your cloud from any device connected to the Internet. So, with a cloud PBX provider, you can use all of the standard PBX features without the need of an actual PBX in your home or office.

    What is PBX? What is Cloud PBX?

    PBX, or public branch exchange, is the name used to refer to the technology that any given telephone provider uses to route calls. Originally, a PBX was a large unit of hardware that had to be stored on site and operated by hand. These machines could be very costly for a company, as they were large, needed special storage facilities, needed regular repairs, and had to be operated manually.

    Companies with multiple phones and many employees can’t function properly without some kind of PBX technology in the office. In more recent years, a PBX could be made to operate automatically, without an operator, but even these devices were expensive and complicated (the cheapest are around $400). And if a business needed to move to a new location, or add or remove a phone line, the process could be very costly and time consuming.

    Initial cost and upkeep of traditional PBX vs cloud PBX

    • Traditional PBX: About $5,000 including cost of installation and new equipment fees. $10.00/hour for an operator. If managed without an operator, can still run to around $300 or $400 for upkeep and Internet connection.
    • RingCentral Virtual PBX: $19.99/month plus $0.049/additional minute
    • Cebod Telecom: $19.99/month All Inclusive and Unlimited Call
    • Vocalocity Virtual Extension:$14.99/month plus $0.03/additional minute
    • RingOffice Cloud Phone System: Plans from $10/month
    • Switchvox Cloud by Digium: $29/month, unlimited minutes and all UC features included
    • MultiTEL Cloud Hosted PBX— free for up to 5 users, $0.0095 for calls to US/Canada
    • VoIPstudio : A Simple and Powerful Cloud Based Business PBX System. Plans start from $ 4.99/Month

    Cloud PBX gives you access to PBX capabilities without the need for complicated and expensive equipment. Cloud PBX is a kind of hosted PBX or virtual PBX, meaning that all of the routing services are performed by your VoIP provider, rather than by an employee managing a PBX system in your office.

    How does it work?

    All cloud technologies are dependent on the Internet. A cloud PBX works by connecting to your IP, or Internet phone, for its internet connection. So, you must have a VoIP or other IP system in place in your office in order to use a cloud PBX. ...

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  • 11/30/15--01:55: VOIP Service Providers B2B
  • Here is a list of VOIP Service Providers focusing on Business-To-Business services. This includes VoIP origination and VoIP termination, plans aimed at call centers, IVR providers and generic Asterisk users. See also:

    Services which require the use of locked ATA devices should not be listed on this page. Nor should services which do not permit simultaneous calls — most services here support at least 4 simultaneous incoming calls. Please list only services which support Asterisk connections, via SIP or IAX2, to the PSTN.

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    This is a list of VOIP Service Providers who offer full service products primarily aimed at the small to medium sized business telephone market. Such companies typically support multi-line telephone systems, small PBX gateways and hosted VoIP (as an alternative to Centrex service). See also:

    Service providers operating in more then one country are listed under each country. "Operating in a country" means a provider that has billing and support staff located in the country, and offers service subject to the regulations and consumer protection laws of that country.

    Please describe services in neutral language and normal fonts. Don't bother listing prices--unless you really plan to return and edit them as things change. If you want to add your company, please read the Posting Guidelines for Promoting Products and Services. When you add your entry to this page, please make sure your entry is in alphabetical order in relationship to other vendors listed in the same section. Failure to follow these guidelines will result in deletion!

    Please include relevant information like SIP or IAX handoff, how outgoing CLID is set, whether a given account may originate multiple calls at once, etc.

    Users: Please feel free to REMOVE any listing that does not meet the stated goals of this page. ...

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  • 11/30/15--02:04: Getting Started
  • Links for getting started with VoIP

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  • 11/30/15--02:14: Call Center Technology
  • Call center technology encompasses a wide range of telecommunications hardware and software including automated phone systems capable of answering incoming phone calls and performing outbound autodialing.

    A call center is a department within an organization or a standalone company typically comprised of telephone agents (customer service reps, salesmen, etc) who either accept incoming calls or make outgoing calls. Call centers can be completely automated, processing incoming and outgoing calls using automation with no human agents involved in the process.

    Software applications typically associated with calls centers are CRM (Customer Relationship Management) programs. The following technology is typically associated with a call center phone system:

    See Also

    Vendor Information

    Call Center Simulation Models

    Call Center Applications

    • Sevana CATI Dialer, NIPO CATI dialer that can be easily adapted to other CATI systems. The system can use standard Asterisk reporting GUI or other agents, e.g. AsternicCC, QueueMetrics, fop2
    • Vocalcom Call Center Software is a software that power 3,600+ companies worldwide such as McDonald's, Disney, and ITV, who are using Vocalcom cloud customer contact technology to improve sales performance, and offer fast, helpful customer service across every channel.
    • Ameyo Call Center Platform is an all-in-one communication suite for Contact Centers and Enterprises offering next-generation information and communications management capabilities including ACD, IP-PBX, CTI, IVR, Predictive dialer, Voice Logger, Unified Presence, Sales Management, Customer Care, and Reporting.
    • QueueMetrics is a powerful call-center monitoring and reporting suite for the Asterisk PBX, offering extensive statistics, QA and real-time views
    • WombatDialer is a dialer / telecasting application for the Asterisk PBX

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  • 11/30/15--02:19: 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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  • 11/30/15--02:24: Small Business VoIP
  • Small business VoIP service can provide a host of benefits for small businesses that are interested in saving on costs and upgrading their business telephone system. Small business VoIP benefits include:

    • Phone service that is significantly less expensive than traditional telephone service
    • A small business VoIP telephone system is geared towards small businesses
    • Plans are scalable for small businesses that have the potential to grow
    • Small business VoIP providers usually offer no contract plans
    • Small business VoIP phone systems offer advanced features that can make a small business seem like a Fortune 500 company

    How does small business VoIP work?

    Small business VoIP typically works with a hosted PBX model. This is to say that the PBX is hosted at the facilities of the small business VoIP provider. By hosting the PBX at the provider's location, the small business does not need to spend money, resources, and man-hours on expensive PBX hardware, software, and maintenance.

    Small Business VoIP Providers

    This is a list of VOIP Service Providers who offer full service products primarily small businesses. Such companies typically support multi-line telephone systems, small PBX gateways and hosted VoIP. See also:

    Service providers operating in more then one country are listed under each country. "Operating in a country" means a provider that has billing and support staff located in the country, and offers service subject to the regulations and consumer protection laws of that country.

    Please describe services in neutral language and normal fonts. Don't bother listing prices--unless you really plan to return and edit them as things change. If you want to add your company, please read the Posting Guidelines for Promoting Products and Services. When you add your entry to this page, please make sure your entry is in alphabetical order in relationship to other vendors listed in the same section. Failure to follow these guidelines will result in deletion!

    Please include relevant information like SIP or IAX handoff, how outgoing CLID is set, whether a given account may originate multiple calls at once, etc. ...

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  • 11/30/15--06:53: Yealink
  • yealink_sidebar.png

    Yealink IP Phones are designed for the user who wants a great quality phone at a great price. Business users will love the new Yealink IP Phones’ large LCD display, superb HD audio quality, and simple user interface; administrators will love the intuitive configuration process and cool features like built-in packet capturing utility, and no re-boot configuration changes; resellers will love the generous volume discounts and great margin (call us!).

    Yealink SIP-T20P Phone Features


    • 2 VoIP accounts, hotline, emergency call
    • Call waiting, call transfer, call forward
    • Hold, mute, flash, auto-answer, redial
    • 3-way conference, DND, speed dial
    • XML phonebook import/export, call history
    • Volume adjustment, ring tone selection
    • Tone scheme, System log
    • Multi-language (more than 20)

    Yealink SIP-T22P Phone Features


    • 3 VoIP accounts, hotline, emergency call
    • Call waiting, call transfer, call forward
    • Hold, mute, flash, auto-answer, redial
    • 3-way conference, DND, speed dial
    • Phonebook (each record with 3 phone numbers, 300 entries), black list
    • XML Phonebook search/import/export
    • Lists of missed, received, dialed and forwarded calls (100 entries in all)
    • Volume adjustment, ring tone selection
    • Tone scheme, System log
    • Multi-language (more than 20)s

    Yealink SIP-T26P Phone Features


    • 3 VoIP accounts, hotline, emergency call
    • Call waiting, call transfer, call forward
    • Hold, mute, flash, auto-answer, redial
    • 3-way conference, DND, speed dial
    • XML Phonebook search/import/export
    • Black list, call history (100 entries)
    • Volume adjustment, ring tone selection
    • Tone scheme, System log
    • Multi-language (more than 20)
    • Supports up to 6 expansion modules

    Yealink SIP-T28P Phone Features


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  • 11/30/15--10:12: 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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  • 11/30/15--15:32: Redfone

  • loga.jpg

    Redfone Communications is a pioneer and leader in delivering high-performance, high-reliability T1/E1/PRI connectivity solutions. Formed in 2003 in Miami, Florida, Redfone was founded by a team of veteran engineers specializing in the very demanding field of avionics data communications. Today, Redfone's unique engineering pedigree delivers extremely robust, reliable and unique hardware and software solutions to the open-source telephony market, with thousands of satisfied customers worldwide.

    Product Line

    • foneBRIDGE2- Single, Dual or Quad T1/E1/PRI to Ethernet Bridge.
    • VGate- a turn key T1/E1 to SIP Gateway VMWare Appliance

    foneBRIDGE2 Overview

    foneBRIDGE2 T1/E1 Bridge products provide the ability to terminate (or originate) T1/E1 circuits directly into a PC-based server running Asterisk, Asterisk-based distributions such as Elastix, FreePBX, etc., or Freeswitch. foneBRIDGE2 products are a good external alternative to PCI-based cards and to expensive, hard-to-configure Gateways. foneBRIDGE2 also provides for fast, automatic failover from a primary to a backup PBX server, and supports load balancing and clustering capabilities when deployed with clusters of supported PBX servers — without additional switch-over hardware.

    foneBRIDGE2 Features

    • External T1/E1-to-Ethernet Bridge design eliminates typical PCI card issues & is compatible with virtually all servers
    • No additional drivers to install - Fully compatible via standard DADHI, TDMoE, and libPRI drivers
    • Compatible with ISDNPRI connections, channel banks, legacy PBX integration, SS7 links and MFC/R2 lines
    • More economical, easier to install, and more reliable than most complicated, expensive T1/E1 Gateways
    • Easy to scale and easy to add high availability, automatic failover, or clustering capabilities - now or in the future
    • Reliable 100% solid state, FPGA-based - High MTBF, no software to crash
    • All products designed, manufactured, and supported in the USA

    foneBRIDGE2 Product Portfolio

    • foneBRIDGE2 - 750-4000 - Single Port T1/E1 Bridge
    • foneBRIDGE2 - 750-4000-EC - Single Port T1/E1 Bridge with Echo Cancellation
    • foneBRIDGE2 - 750-5050-EC - Dual Port T1/E1 Bridge
    • foneBRIDGE2 - 750-5050 - Dual Port T1/E1 Bridge with Hardware Echo Cancellation
    • foneBRIDGE2 - 750-5000-EC - Quad Port T1/E1 Bridge
    • foneBRIDGE2 - 750-5000 - Quad Port T1/E1 Bridge with Hardware Echo Cancellation
    • foneBRIDGE2 - 750-1U - 1U Rackmount Kit (supports up to two foneBRIDGE2 products)

    VGate Overview

    The Redfone VGate is a ©VMWare compatible turn-key software appliance. When combined with foneBRIDGE2 hardware, it quickly and easily provides a complete T1/E1 (ISDN PRI) to SIP gateway with advanced* SIP features including SIP load balancing and auto fail-over to provide always on capabilities.

    VGate allows customers to easily deploy Asterisk, Elastix, Trixbox, SwitchVox, 3CX, FreeSWITCH, and other voice systems in a virtual environment and still maintain superior call quality and scalability.
    • Supports all major E1 and T1 ISDN switch types. EUROISDN, AT&T 4ESS,
    DMS 100, Lucent 5E, NI1/NI2, ETSI EuroISDN TBR4 PRI, Japan INSnet150. ...

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    High Availability (HA) is normally achieved through "clustering" - which means two machines acting as one for a specific purpose. There are many ways to create a cluster, each with its own benefits, risks, costs, and trade-offs. The terms "High Availability" (HA) and "Clustering" can be overused so beware of the hype. Clustering, and HA have specific (and different!) meanings. If you are responsible for creating a high availability cluster for Asterisk, below are the issues and concepts you should be aware of. This page is intended to be a starting point in the design, creation or selection of a High Availability or Clustering solution for Asterisk.

    Note that if you are designing a call center for PSAP (Public Safety Answering Point) / 911 then there are specific requirements you must consider. Some are noted below, others are specified by rules/orders from FCC (USA), CRTC (Canada), and similar country specific organizations. (eg: FCC 05-116 order 10). Even if you are not designing for a PSAP, these guidelines are excellent best practices often applied by large commercial call centers anyways.

    Please do not add specific product names/links to this page, it is intended to be product neutral. Don't say "this is the best" because your product/your favorite product uses it.. Stick to facts please.

    Co-Dependence and Autonomy

    This criteria is among the most important (if not THE most important) criteria when designing/selecting/building a high availability telephony environment. In order to be a true cluster, the machines (or "peers") must be autonomous. Some HA solutions involve sharing hardware, software, a logical device, etc .The problem with this approach is that you create a single point of failure. For example, if a cluster shares a hardware channel bank (eg: connecting to 2 machines via 2 USB cables), then if the channel bank fails the entire cluster fails. In a true cluster the peers must be autonomous; i.e. not share any hardware, software, logical devices, etc.

    Telephony devices in true high availability environments do not share any logical/physical resources. For example, in emergency call centers/PSAP's nothing on the call path is shared: from clustered PBX's, to separate switches, to clustered routers (HSRP/VRRP) to the trunks. Each peer (whether PBX or router or other) must survive the destruction of its peer. (NG911 Section IV.C).

    Data Synchronization and Scalability

    In order for a cluster to remain useful, the data on the peers must remain in sync. This allows one peer to pick up where the other left off in the event of a failure. However, synchronization is one of the greatest challenges for clusters. ...

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    This page outlines the various option available to create high availability for a VoIP PBX. Some are generic solutions while others are PBX specific. Some are complete HA solutions while others are half-baked scripts that do some things but not others.

    Before you select a HA solution, carefully read this page on creating / selecting a High Availability solution (see Asterisk High Availability Design )

    PBX Specific Solutions

    -These solutions provide clusters that are PBX specific. As noted on the Asterisk High Availability Design wiki page, these solutions create clusters at the Application level and are deeply PBX aware, environmentally aware, trunk aware, etc.
    • HAAst (High Availability for Asterisk) from Telium adds high availability / clustering to any pair of Asterisk servers. The High Availability for Asterisk (HAAst) add-on offers rapid automatic failover of a failed peer, total peer autonomy, IP sharing, advanced peer health detection, intelligent synchronization of files and databases, etc. HAAst also supports manual promote/demote for maintenance, a command line interface, a telnet interface, a web based interface, and a developer API. Installation is straight forward, with no additional hardware required, no additional or complex heartbeat/cluster/etc software required either. HAAst is available in Free and Commercial editions, and is in use at call centers, hospitals, and other high-uptime environments. HAAst is targeted at large commercial installations but a Free edition is available for anyone. HAAst operates at the OS level and is compatible with all Asterisk variations (FreePBX, Elastix, Thirdlane, Digium). See High Availability Asterisk (HAAst) for more information.

    HA-Enabled Distributions

    These are an 'all-in-one' distribution that provides HA. The benefit of these solutions is that because they are bundled/are part of a distribution, they are simple to install and are tightly integrated with the OS and the VoIP Server.
    • FreePBX HA FreePBX HA is a commercial module that integrates with FreePBX (2.11 and higher) and requires Asterisk 1.8 and higher. The HA modules uses DRBD for sharing a disk between peers, and Heartbeat to detect if a peer is alive and failover. More information and documentation is available at the FreePBX HA Wiki.
    • Elastix HA is a module that integrates with Elastix and Asterisk. The HA modules uses DRBD for sharing a disk between peers, and uses Heartbeat to check if the Asterisk process is alive and failover. More information and documentation is available at
    • SARK-HA from Aelintra Telecom offers High Availability Asterisk out-of-the box. The Sark 200 is a complete PBX in a box solution, using a low-power ARM process all in the size of a deck of cards. Real-time failover takes less than 20 seconds to complete and includes support for ISDN PRI circuits. The servers are kept in synch using rsync (so no shared DRBD disk!). Wiki pages HERE. System also includes multi-tenant and a fully integrated provisioning system with zero touch, DHCP-free set-up for multicast capable phones... see HERE. ...

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  • 12/01/15--03:51: VoIP Wholesale
  • Wholesale VoIP Market:

    There is no doubt today that VoIP is taking over the telecom market, and every month increases penetration into services and industries. Competitive carriers are looking at the numerous ways to make money from this exploding technology, but there's a lingering question as to whether it is profitable to deliver VoIP in a wholesale model? Their customers, typically Service Providers, are looking for their ‘competitive advantage' into this ‘lowest price' race, leveraging within three key alternatives for packet telephony : “build” , “buy” or “rent”. Business aspect, there’s no need to invest tens of millions of dollars in wholesale VoIP to join in. Many Telecom Companies have done the work for you. They offer a complete, turnkey VoIP business service and equipment. Now you can start wholesale VoIP business with virtually no investment and yet reap great dividends.

    Wholesale VoIP Resellers:

    In today’s world, Service providers seeking to deliver VoIP to as wide a customer base as possible may find that becoming a wholesale VoIP reseller is the way to go. Wholesale VoIP may be sold to both other service providers and to enterprises or residential customers.

    Reselling IP telephony as a wholesale VoIP company is becoming an increasingly popular business model. For many companies, becoming a wholesale VoIP provider hits the sweet spot between profit and market control. Any firm with a well-established customer base is a good candidate for reselling wholesale VoIP.
    Becoming a wholesale VoIP reseller is not a decision that should be taken lightly. It does, however, offer the potential of being very lucrative if done right.

    Wholesale Consumer Demand:

    An important characteristic of the industry is the complex segmentation of consumer demand and rapid change in the characteristics that are being demanded, both at the end customer and in the intermediate ones (wholesale customers).
    Demand coming from ‘packed customers'? will be significantly different of the conventional telecommunications one, were telephony was the unique service to provide and differentiation was based on tariff-distance paradigm, being today's service offerings closer to data applications rather than telephony. Voice communication (and not old POT telephony) becomes the common feature into several communications applications and devices, but not the unique one.
    Messaging, conference, collaboration, web contact centres, etc … requires a common communication format between parties, which is voice, implemented through VoIP technologies. Heterogeneous and rapidly changing customer demands and products are important dynamic influences on the evolving structure of the telecom industry, resulting into a new value-chain.
    Telecommunication markets evolution will be driven by ‘packed customers' demand rather than networks, technology or finance, changing many decades rules into this industry.

    Finance in Telecommunication Industry:

    Finance institutions had been influencing Telecomm Industry since the beginning, due the business itself was characterized by huge investments, big market shares and bigger capitalization, influencing in many cases top management, who addressed their strategy towards ‘stock' opportunities rather long term and solid business models. WorldCom crash has been an example of this ‘financial market' pressure and wrong business management.
    Today, the networks has been deployed. New scenario in Telecoms enable new players to deploy services over broadband without proprietary network and this new generation business will not be anymore capital intensive, let's say these will be innovation intensive.

    U.S. VoIP Market:

    The US market for VoIP advanced dramatically in 2006-2007, adding 3.8 million VoIP households in 2006, reports In-Stat: As a result, wholesale VoIP revenues grows quickly, as MSOs, Skype, and a myriad of new entrants most lacking network facilities enter the market and drive demand for telephony features and applications, the high-tech market research firm says.
    As retail VoIP expands, wholesale VoIP will accelerate quickly, says Bryan Van Dussen, In-Stat analyst. The largest segment remains international VoIP, but we expect the market for local services to surge from 12% of all revenues to 27% by 2010.
    Recent research by In-Stat found the following:

    • Consumer VoIP adoption will drive wholesale VoIP revenues to $3.8 billion by 2010 from $1.1 billion in 2006.
    • In-Stat finds small businesses are driving the growth of hosted services in the U.S. Hosted VoIP seats in the U.S. ...

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  • 12/01/15--08:27: What is VOIP
  • Introduction

    VOIP is an acronym for Voice Over Internet Protocol, or in more common terms phone service over the Internet.
    If you have a reasonable quality Internet connection you can get phone service delivered through your Internet connection instead of from your local phone company.

    Some people use VOIP in addition to their traditional phone service, since VOIP service providers usually offer lower rates than traditional phone companies, but sometimes doesn't offer 911 service, phone directory listings, 411 service, or other common phone services. While many VoIP providers offer these services, consistent industry-wide means of offering these are still developing.

    How does VOIP work?

    A way is required to turn analog phone signals into digital signals that can be sent over the Internet.
    This function can either be included into the phone itself (See: VOIP Phones) or in a separate box like an ATA .

    VOIP Using an ATA

    Ordinary Phone ---- ATA ---- Ethernet ---- Router ---- Internet ---- VOIP Service Provider

    VOIP using an IP Phone

    IP Phone ----- Ethernet ----- Router ---- Internet ---- VOIP Service Provider

    VOIP connecting directly

    It is also possible to bypass a VOIP Service Provider and directly connect to another VOIP user. However, if the VOIP devices are behind NAT routers, there may be problems with this approach.

    IP Phone ----- Ethernet ----- Router ---- Internet ---- Router ---- Ethernet ---- IP Phone

    Applications using VOIP

    Traditional telephony applications, such as outbound call center applications and inbound IVR applications, normally can be run on VOIP.

    Why use VOIP?

    There are two major reasons to use VOIP
    • Lower Cost
    • Increased functionality

    Lower Cost

    In general phone service via VOIP costs less than equivalent service from traditional sources. This is largely a function of traditional phone services either being monopolies or government entities. There are also some cost savings due to using a single network to carry voice and data. This is especially true when users have existing under-utilized network capacity that they can use for VOIP without any additional costs.

    In the most extreme case, users see VOIP phone calls (even international) as FREE. While there is a cost for their Internet service, using VOIP over this service may not involve any extra charges, so the users view the calls as free. There are a number of services that have sprung up to facilitate this type of "free" VOIP call. Examples are: Free World Dialup and Skype for a more complete list see: VOIP Service Providers

    Increased Functionality

    VOIP makes easy some things that are difficult to impossible with traditional phone networks.
    • Incoming phone calls are automatically routed to your VOIP phone where ever you plug it into the network. Take your VOIP phone with you on a trip, and anywhere you connect it to the Internet, you can receive your incoming calls.
    • Call center agents using VOIP phones can easily work from anywhere with a good Internet connection. ...

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  • 12/01/15--11:52:
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  • 12/01/15--18:47: REDFONE Communications LLC
  • Install utilities and some documentation can be found on GitHub.
    Redfone GitHub

    Initially formed in Miami, Florida 2003, Redfone designs, develops, and produces next-generation Asterisk-based communications solutions to small- and mid-sized businesses. Redfone's founders were among the early implementors of Asterisk, and used it in their own businesses. As Avionics Engineers with a strong background in data communications and high-reliability hardware , however, they realized that large-scale implementations of Asterisk systems faced significant challenges, namely with hardware compatibility, scalability, and redundancy issues often associated with PCI interface cards.

    Redfone Communications, LLC was reorganized in 2005 with a new mission: Provide solutions to assist Asterisk installers and end users by extending the Linux concept of hardware-independence by recreating the functionality of PCI-based T1/E1/PRI interface products in an external bridge, allowing the implementation of high availability and automatic failover without additional hardware. Redfone's first product, the foneBRIDGE, has already been acclaimed by installers and industry analysts alike. Its successor, foneBRIDGE2, carries on and enhances that tradition.

    Today Redfone has thousands of satisfied customers worldwide, and continues to provide reliable, economical, and easy-to-install alternatives to both PCI cards and expensive VoIP Gateways. If you need to terminate or originate T1/E1/PRI connections with your Asterisk or Freeswitch PBX server, check out Redfone's products.

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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:

    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.

    Hosted PBX Solution:
    The company produces the Hosted PBX software solution to administer the communication that takes place without the need of any hardware. The development services that the company provides for Hosted PBX solution includes auto attendant, caller IDs, customized message alerts, fax to email, voicemail, find me, follow me, call waiting, conferencing and forwarding as their key features. Improved customer support, reduced cost of both phone bills and hardware are the added advantages to this system.

    Class 4 Solution:
    The Class 4 SoftSwitch solution routes the long distance, VoIP calls among the various IP networks. ...

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    This page shows installation of Asterisk 11.0.0 on CentOS 6. It's been assumed that you have already installed CentOS 6 on your machine. The main steps of installation can be summarized as:

    1. CentOS Updates (If Any)
    2. Disabling SELinux
    3. Reboot
    4. Installation of Dependencies for Asterisk 11
    5. Downloading your Asterisk Source Code
    6. Extraction of Downloaded Files
    7. DAHDI Installation
    8. LibPRI Installation
    9. Change Asterisk Directory
    10. Run Configure Script for Asterisk
    11. Install Sample Files
    12. Start DAHDI
    13. Start Asterisk

    Each step is elaborated as under:

    1. CentOS Updates

    Update your CentOS 6 Server for any possible unimplemented updates.

    yum update -y

    2. Disabling SELinux

    You can use any text editor (VIM etc) to commit this change. Go to /etc/selinux/config and change SELINUX=enforcing to SELINUX=disabled
    This can also be done by using command line:
    sed -i s/SELINUX=enforcing/SELINUX=disabled/g /etc/selinux/config

    3. Reboot

    Once the aforementioned change is committed and the file is updated, reboot the system using:

    4. Installation of Basic Dependencies

    Asterisk 11.0.0 requires some prerequisite dependencies. Here is the command line to install them:
    yum install -y make wget openssl-devel ncurses-devel newt-devel libxml2-devel kernel-devel gcc gcc-c++ sqlite-devel

    5. Downloading Your Asterisk Source Code

    Move to directory /usr/src by given command:
    cd /usr/src/

    and then download the Source Code tar balls using these commands (one by one or at a time):

    6. Extraction of Downloaded Files

    Extract the downloaded tar balls to their corresponding directories using:
    tar zxvf dahdi-linux-complete*
    tar zxvf libpri*
    tar zxvf asterisk*

    7. DAHDI Installation

    DAHDI (Digium Asterisk Hardware Device Interface) can be installed using the command line:
    cd /usr/src/dahdi-linux-complete*
    make && make install && make config

    8. LibPRI Installation

    In order to enable your BRI, PRI and QSIG based hardware, you will be needing PRI Library or LibPRI. You can install these libraries using:
    cd /usr/src/libpri*
    make && make install

    9. Changing Asterisk Directory

    Now you have to move back to the Asterisk Installation Directory:
    cd /usr/src/asterisk*

    10. Running Configure Script for Asterisk

    At this point, you need to know your CentOS 6 Architecture (32 or 64 Bit). In many cases you are aware of it. In case you are not, try this command:

    uname -a

    For 32 Bit, you will be getting response like:
    2.6.18-238.12.1.el5 #1 SMP Tue May 31 13:23:01 EDT 2011 i686 i686 i386 GNU/Linux

    For 64 Bit, system will respond with something like:
    2.6.18-238.19.1.el5 #1 SMP Fri Jul 15 07:31:24 EDT 2011 x86_64 x86_64 x86_64 GNU/Linux

    Based on your OS Architecture, go ahead with these commands for Asterisk Configuration Script. ...

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