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, ...

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 ...

Cisco System Inc.’s update to its CallManager IP PBX — introduced this week with native SIP support — will require broader upgrades to other network ...

A recent software upgrade that can turn most Cisco access routers into IP PBXs could provide users with a simple path to follow for converging voice and data networks, and at the same time is causing ...