ITSP = Internet Telephony Service Provider
A provider of VOIP Telephone service.
Also known as VOIP Service Providers.
"How to Start an ITSP"
A provider of VOIP Telephone service.
Also known as VOIP Service Providers.
See Also
White Paper on Starting an Internet Telephony Service Provider:
If you are considering starting an ITSP, then this paper is a must-read. It draws from years of experience in setting up ITSPs around the world."How to Start an ITSP"