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 ...

For the first few years of the so-called IP PBX market, Cisco quickly became the market-share leader and the telecom CPE crowd sort of collectively shrugged and said, “well, whadya expect?” There was ...

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 ...