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 ...

This week’s featured Cisco Press book is IP Telephony Using CallManager Express Lab Portfolio by Cheryl Schmidt and Ernie Friend. We have a free chapter from the book, Chapter 4: Dial Plans and Dial ...

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 ...

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 ...

Now all of SouthTrust’s sites are populated with IP-based phone handsets connected over the data network to a few Cisco CallManager IP PBX server clusters in Birmingham, which are in turn backed up by ...

CallManager's vulnerability to denial-of-service attacks--which could prevent legitimate users from accessing a VoIP network--and attacks that would let users increase their access privileges seem ...

Flaws in Cisco Systems software for routers and IP telephony could be a conduit for attacks on enterprise networks, the company has warned. On Wednesday, it released two security alerts along with ...

Cisco has identified and patched security problems in their VoIP IP telephony system. The move is in response to the discovery of potential exploits that can allow hackers to mount denial of service ...