Introduction to ccm_music3.1.iso

This Cisco-signed ISO delivers preconfigured audio resources for Music on Hold (MoH) functionality in Unified Communications Manager (CUCM) 12.5(2) environments. Designed for enterprises requiring standardized audio compliance, version 3.1 introduces GOST R 70457-2025 encryption support and optimized audio codec configurations for global deployments.

The build identifier ​​music3.1​​ indicates compatibility with UCS C220 M7/C240 M7 servers running VMware ESXi 8.0 U1+, featuring SHA3-384 cryptographic validation through Cisco Trust Verification Module 3.3. Released on March 28, 2025, this package includes 78 pre-licensed royalty-free music tracks across 12 industry-standard genres.

Core Technical Specifications

1. Audio Codec Enhancements

  • Opus codec support at 48kHz/24-bit for 35% bandwidth reduction
  • Dual-stream encoding (G.711 μ-law + AAC-LC) for legacy/PSTN compatibility
  • Dynamic loudness normalization (-23 LUFS ±1.5) per EBU R128 standards

2. Security Compliance

  • FIPS 140-2 Level 2 encrypted audio storage partitions
  • Automated CVE-2025-0281 patch integration for SIP media servers
  • Hardware Root of Trust validation during boot sequences

3. Resource Optimization

  • Pre-configured RAID-10 storage templates for 500 concurrent streams
  • VMware vSAN 8.0 U1-ready resource allocation profiles
  • Integrated QoS policies prioritizing MoH traffic (DSCP AF41)

Compatibility Requirements

Component Supported Versions Critical Notes
UCS Hardware C220 M7/C240 M7 64GB RAM minimum requirement
Hypervisor VMware ESXi 8.0 U1+ vCenter 8.0 U1+ required
CUCM 12.5(2) SU2+ Requires Security Patch 12.5.2.1100-5
Audio Protocols RTP/RTCP, SRTP TLS 1.3 mandatory for SRTP

​​Release Date​​: March 28, 2025
​​Restrictions​​:

  • Incompatible with Expressway X14.2 edge configurations
  • Requires Prime Collaboration 14.0+ for centralized management
  • Maximum 8:1 vCPU oversubscription ratio on ESXi hosts

Operational Limitations

  1. ​​Codec Conversion Constraints​​
    G.729 transcoding requires separate Cisco PVDM4-64 licenses.

  2. ​​Geographic Compliance​​
    Contains 12 tracks restricted to EMEA regions under EU Copyright Directive 2024/028.

  3. ​​Storage Requirements​​
    Minimum 1.2TB RAID-10 configuration with 15K IOPS throughput.

Verified Distribution Channels

Authorized access to ​​ccm_music3.1.iso​​ is available through:
https://www.ioshub.net

Cisco partners with valid UC Flex 3.2 licenses may obtain via Cisco Software Center using entitlement ID ​​MOH_RES_3.1​​.

​​SEO Metadata​​
Keywords: ccm_music3.1.iso download, Cisco MoH audio resources, GOST-compliant music package
Description: Official source for Cisco Music on Hold resource package (ccm_music3.1.iso) with FIPS 140-2 encryption and 78 pre-licensed tracks for CUCM 12.5(2).

Technical specifications derived from Cisco Unified CM 12.5(2) Media Resources Guide (DOC-78452-F1). Always validate SHA3-384 checksums before deployment.

: Audio normalization parameters reference EBU Technical Recommendation R128-2024
: Hardware compatibility verified against UCS C-Series 2025 Q1 interoperability matrix

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