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 ...

Survivable Remote Site Telephony (SRST) is a Cisco Unified Communications Manager (CUCM) call processing backup mechanism that allows Cisco IP phones to register to a Cisco router. A Cisco router in ...

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 ...

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 is today showing delegates at ITU Africa 04 how they can take full advantage of a converged voice, video and data network to deliver a rich-media communications experience. Taking centre ...