Cisco Systems on Thursday introduced less-expensive versions of its Internet phone software and services, as the company broadens its push into the small-business market. One of the new products, ...

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 ...

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 ...

A recent software upgrade that can turn most Cisco access routers into IP PBXs could provide users with a simple path to follow for converging voice and data networks, and at the same time is causing ...

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 ...

Cisco Systems routers running certain telephony features could be vulnerable to denial-of-service attacks, the company warned Friday. Cisco said routers running the IOS Telephony Service, Cisco ...

If you thought routers only linked networks together, then think again. With modern communications processors spending just a fraction of their time actually routing packets it’s possible to get them ...

We have a CUCM 8.5 cluster here, and a CME in China. When we make a call from China to here, and the call goes to voicemail, the voicemail servers see the source IP as one of the Callmanagers in the ...