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 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 ...

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

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 ...

Aiming to simplify telecommunications at small companies and branch offices of large enterprises, Cisco is now offering IP telephony software similar to its CallManager on routers made for or already ...

BUCHS, Switzerland, April 30, 2012 /PRNewswire/ -- MOH Technology AG announces a groundbreaking on-hold messaging solution that minimizes costs and simplifies insertion into Voice over IP (VoIP) phone ...