VOIP Service Providers Residential
CommTech
SIP protocol was made within IETF (Internet Engineering Task Force) – organization occupied with establishing Internet standards and general standards concerning TCP/IP protocols.
Bangla Voice
Bangla Voice is the internet telephone calling service that lets you call from anywhere to anywhere Using VoIP (Voice over IP) your telephone call is carried over broadband internet instead of traditional telephone lines using VoIP H.323/SIP protocol.
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