I go to a lot of VoIP conferences, and at every one I attend, you hear the gospel of IP Multimedia Systems, or IMS for short. The CTIA show is no exception. In fact, there is a panel going on right at ...

Continuing our series on the progress of IP Multimedia Subsystem (IMS), today we’ll highlight perspectives and progress from Verizon featuring excerpts from an interview we had recently with Bill ...

Continuing out look at the state of the IP Multimedia System nation, today we hear about IMS advances at AT&T from Siroos Afshar, chief VoIP architect at AT&T Labs. He said: “[AT&T] did not start out ...

A Hungarian army officer checks the voice over Internet protocol connection and video feed during the testing phase of exercise Combined Endeavor 2007. The Internet protocol multimedia subsystem (IMS) ...

Back-end technology that AT&T implemented partly for VoLTE (voice over LTE) will help make the Apple Watch and other connected devices useful. The IMS (IP Multimedia Subsystem) platform that is ...

The event will test IMS Release 3. IMS is an architecture that defines how IP networks should handle voice calls and data sessions. It essentially takes the place of the control infrastructure in the ...