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, ...

Cisco’s update to its CallManager IP PBX – introduced this week with native SIP support – will require broader upgrades to other network infrastructure gear ...

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

Cisco’s approach to wireless standards has been to create its own platforms, and only fully support open standards once these platforms have gained such market share that openness is no real threat.

Cisco has hit back at allegations that some of its IP telephony equipment is vulnerable to communications interception or denial of service attacks. Last month, penetration outfit SecureTest went ...

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 has introduced its Unified Communications system — a new suite of voice, data and video products and applications based on the Session Initiation Protocol, or SIP standard. Cisco is no ...

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 ...