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, ...

Today as expected, Cisco announced they have finally embraced SIP (Session Initiation Protocol). The platform for doing so will be Cisco Unified CallManager5.0, the call-processing component of the ...

Cisco’s update to its CallManager IP PBX – introduced this week with native SIP support – will require broader upgrades to other network infrastructure gear ...

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

Cisco Systems is bundling up its tools for all kinds of communication in enterprises and giving the set an appropriately broad brand name: the Cisco Unified Communications system. The range of ...

Telephony Application Programming Interface, or TAPI, allows applications to control the telephone services in Windows. To use TAPI with Cisco CallManager, install the Cisco TAPI Service, or TSP, ...