SIP VoIP Gateway

This is a device allowing a user to make VoIP calls using session initiation protocol (SIP). SIP is a telecommunication technology developed as a fast, easy standard for delivering IP-based data, voice, and video communications.

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Protocols in Softswitch architecture

Works on defining new network architecture are carried out by such organizations as ITU-T, Multiservice Switching Forum, and International Packet Communications Consortium.

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Yackie Telecom Corporation

The YACKIE Mobile SIM card ensures the lowest pricing for the business traveler anywhere in the world, while maximizing convenience. Pay no more additional roaming charges to your mobile operator. The same low pricing applies to accessing your voice mail

United States 1294