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.
GCCIT for wire & wireless solution networks was founded on 2003 by a group of engineers specialized in Constructions & Telecommunications with IT solution who got their professional experiences from European & United State American universities and perfor
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