Cisco Systems on Wednesday shipped a high priority fix for its Cisco Unified Communications Manager software, formerly known as CallManager. Cisco gave the flaw, which allows remote code executions, a ...

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 ...

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 Systems issued an advisory on Wednesday warning customers about vulnerabilities in its Unified Communications Manager that could interrupt voice services and disclose information useful to an ...

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

In a report issued Monday, Jake Reynolds, senior security engineer at FishNet, said the vulnerability affects versions 3.1 and higher of Call Manager, which handles call routing and call signaling ...