New features in Cisco’s CallManager software promise to make the IP PBX platform more secure and interoperable with standards-based VoIP equipment, while adding native support for video phone calls, ...

Cisco's revelation Wednesday of two security alerts and fixes for CallManager, the software-based call-processing component of its IP communications technology, could have washed waves of despair over ...

KIRKLAND, Wash.--(BUSINESS WIRE)--Telrex today announced that its CallRex version 3.1 is the first VoIP call-recording product verified by an independent third party to support the recording of ...

In the next few weeks IP telephony vendors will launch a parade of new gear and applications aimed at making corporate employees more productive via converged voice, data and video applications.

CallManager's vulnerability to denial-of-service attacks--which could prevent legitimate users from accessing a VoIP network--and attacks that would let users increase their access privileges seem ...