A SIP trunk is the digital version of an analog phone line. Learn how you can upgrade to a unified digital phone system for ...

The main challenge: Even if an enterprise wants to interconnect different IPT islands, there is no real incentive for two different vendors to interoperate. VoIP/IPT systems have proliferated to the ...

Signaling, media, and control work together to create a cohesive conversation, but each stands on its own. We shall not cease from exploration. And the end of all our exploring will be to arrive where ...