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, ...

Cisco Systems on Wednesday shipped a high priority fix for its Cisco Unified Communications Manager software, formerly known as CallManager. Cisco gave the flaw, which allows remote code executions, a ...

Cisco has announced new security features for its IP Communications system CallManager. Cisco CallManager 4.1 IP telephony system extends voice media and signaling encryption support for new 7940G and ...

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, ...

Configuring route filters in Cisco CallManager Administration to reduce the number of route patterns or restrict calling to undesirable locations Modifying route patterns to use access codes and ...

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

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 ...