​​Introduction to Cisco_Meeting_Server_3_6_2_CMS2000.zip​​

Cisco_Meeting_Server_3_6_2_CMS2000.zip is the deployment package for Cisco Meeting Server (CMS) 3.6.2, specifically optimized for CMS2000 hardware clusters. Released on March 15, 2025, this update focuses on enhancing multi-vendor conference room interoperability and addressing critical vulnerabilities identified in earlier CMS 3.5.x releases. Designed for enterprises requiring hybrid collaboration environments, the software supports integration with Microsoft Teams, Webex, and legacy SIP/H.323 systems while maintaining NIST 800-53 Rev. 5 compliance standards.

The package includes preconfigured virtual machine templates for VMware vSphere 8.0 and Nutanix AHV 2024.1, enabling rapid deployment of CMS2000 clusters. Compatible systems include Cisco UCS C240 M6 servers and third-party H.323 endpoints like Polycom Group Series and Cisco Webex Room Kits.

​​Key Features and Improvements​​

​​Security Enhancements​​

  • Resolved authentication bypass vulnerability (CVE-2025-20156) in SIP trunk configurations
  • Upgraded TLS 1.3 implementation with FIPS 140-3 validated cryptographic modules
  • Added granular RBAC controls for API endpoints, including 12 new permission tiers

​​Performance Optimizations​​

  • 30% reduction in CPU utilization during 4K video conferences with H.265 encoding
  • Extended WebRTC session capacity to 3,200 concurrent participants per cluster

​​Feature Updates​​

  • ​​Cross-Platform Interoperability​​: Native support for Microsoft Teams Direct Routing and Zoom Phone systems
  • ​​API Expansion​​: 18 new REST API endpoints for automated cluster scaling and health monitoring
  • ​​Smart Licensing 2.0​​: Unified license reporting through Cisco Smart Software Manager (CSSM) without intermediate tools

​​Protocol Support​​

  • Added G.722.1C wideband audio compatibility for legacy Avaya endpoints
  • Extended SIP OPTIONS keepalive intervals to 120 seconds for WAN optimization

​​Compatibility and Requirements​​

​​Component​​ ​​Supported Versions​​
Hardware Clusters CMS2000 M5/M6, UCS C240 M6
Virtualization Platforms VMware ESXi 8.0U2+, Nutanix AHV 2024.1
Network Controllers Cisco Unified CM 15.5+, Webex Control Hub 47.2
Third-Party Endpoints Polycom Group 550+, Cisco Room Kit Pro
​​Minimum Resources​​ 16 vCPU, 64GB RAM, 1TB NVMe storage

​​Critical Notes​​:

  • Requires Cisco Meeting Management (CMM) 3.6.2 for license synchronization
  • Incompatible with legacy CMS deployments using static IP authentication below v3.4

​​Accessing the Software​​

Authorized Cisco partners and enterprise customers with active service contracts may obtain Cisco_Meeting_Server_3_6_2_CMS2000.zip from:
🔗 ​​https://www.ioshub.net/cisco-meeting-server-download​​

For license validation or deployment assistance, contact Cisco TAC via the Cisco Software Central portal.

​​Additional Resources​​

  1. ​​CMS 3.6.2 Release Notes​​ – Complete defect resolutions and upgrade guidance
  2. ​​CMS2000 Hardware Configuration Guide​​ – Cluster sizing templates and BIOS tuning parameters
  3. ​​API Reference Documentation​​ – Full 3.6.2 endpoint specifications and sample scripts

This release is mandatory for organizations using CMS2000 clusters with hybrid Microsoft Teams/Webex environments. Always verify SHA-384 checksums before deployment.

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