Cisco Systems has released a security update that addresses flaws in its CallManager and Unified Communications Manager product line. An attacker can exploit the flaws to conduct cross-site scripting ...

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 Systems is strengthening its push into smaller organizations with a family of integrated products that includes switching, routing, and IP-telephony solutions, in conjunction with services, ...

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 ...