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.
First Telecom Ltd
At First Telecom we fully understand convergence across telecoms, IT services and software. We invest heavily in researching what is happening in the global market, which is dynamic and full of risk and reward. We track changes and identify threats and op
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