As Eric pointed out Cisco's acquisition of Jabber is all about the company delivering a unified communications solution that can go head to head with Microsoft. With its Unified Communications Manager ...

Various gateway protocols are supported with Cisco Unified Communications Manager (CUCM). The gateway protocols include H.323, MGCP (Media Gateway Control Protocol), SIP (Session Initiation Protocol), ...

Cisco has found a backdoor account in yet another of its software solutions: CVE-2025-20309, stemming from default credentials for the root account, could allow unauthenticated remote attackers to log ...

Cisco is warning that several of its Unified Communications Manager (CM) and Contact Center Solutions products are vulnerable to a critical severity remote code execution security issue. Cisco's ...

Editor's note: This article is part of a buying guide on voice over IP (VoIP). The features in this series describe the evolution of VoIP, its use cases, and important criteria to consider when buying ...

Cisco Unified Communications Manager deployments running with the WebDialer service enabled are under active attack today, June 24, 2026, as threat intelligence firm Defused confirmed that automated ...