Cisco has fixed a critical Unified Communications and Webex Calling remote code execution vulnerability, tracked as CVE-2026-20045, that has been actively exploited as a zero-day in attacks. Tracked ...
Today is Microsoft's October 2025 Patch Tuesday, which includes security updates for 172 flaws, including six zero-day vulnerabilities. This Patch Tuesday also addresses eight "Critical" ...
This lesson introduces and describes the role, architecture, hardware and software requirements, and the licensing model of the CUCM. Cisco Unified Communications (UC) is an IP-based communications ...
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