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 ...

Video killed the radio star, and now Cisco Systems is betting on it to help it sell IP telephony to large corporations. On Wednesday, the networking giant announced the latest version of its Internet ...

For businesses switching over to IP telephony, reliability is always a major concern. Will installing Cisco (San Jose, CA – 408-526-4000, www.cisco.com) IP phones and the CallManager call-processing ...

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 plans to finally adopt a key Internet Protocol telephony standard, allowing the addition of new network-service features and enabling companies such as Microsoft to integrate their ...

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 ...

Unified CallManager 5.0, software that handles call processing for Cisco VoIP solutions, has two flaws in its command line management interface (CLI) that could allow a logged-in administrator to gain ...

The surfacing of a pair of flaws in Cisco’s CallManager IP telephony servers last week raises the hot-button issue of how to secure enterprise VOIP networks from attacks. But one industry expert says ...