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's revelation Wednesday of two security alerts and fixes for CallManager, the software-based call-processing component of its IP communications technology, could have washed waves of despair over ...

Some organizations consider taking the plunge off PBX platforms into IP telephony as being pretty daring, but that’s nothing compared to what Sam Houston State University (SHSU) is doing. The south ...

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 ...

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 ...