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 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 ...

Last week we began a look at IP Multimedia Subsystems and Unlicensed Mobile Access. Today, we’ll introduce a little about how IMS works as a starting point to compare IMS with UMA. And for the ...

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 ...