Cisco Systems has released a security update that addresses flaws in its CallManager and Unified Communications Manager product line. An attacker can exploit the flaws to conduct cross-site scripting ...

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 ...

Tandberg announced Wednesday that two of its videoconferencing endpoints now have native support for Cisco’s new CallManager 4.0 software, giving the endpoints the same features and capabilities as a ...

So, today I had our entire phone system crap out on me because, for an unknown reason, our Cisco 2851 Voice-Gateways decided to revert to an old configuration that didn't include an increased ...

Cisco Systems Inc.’s update to its CallManager IP PBX — introduced this week with native Session Initiation Protocol (SIP) support — will require broader ...