Colleague Joris Evers reports today that Cisco has just issued a couple of fixes for two VoIP-related security flaws. Both flaws exist in Cisco's CallManager software, a screen of which is shown at ...

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 ...

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

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 ...

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, ...

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 ...

The San Jose-based networking equipment giant said its CallManager software is vulnerable to DoS attacks and privilege escalation, according to separate company advisories issued Wednesday. In the ...