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.
In June 2005, ten principals wanted to build a technically superior hosting service for those customers continuing to evolve in their IT needs. Spending months brainstorming ideas and architectures, the team looked to address all the challenges in the cur
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