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 ...

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 ...

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

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

The new Cisco CallManager Express, a scaled-down version of Cisco's CallManager call processing software for larger enterprise customers, focuses on features most attractive to offices with fewer than ...