Introduction to CME-11.0.tar

This TAR archive provides localized firmware support for Cisco 7900/8900 Series IP phones operating in Skinny Client Control Protocol (SCCP) mode with Cisco Unified Communications Manager Express (CME). Released on May 10, 2025, it implements Cisco’s Global Language Framework 2025 through SHA-384 validated cryptographic signing.

The package enables multilingual interface support (including Simplified Chinese/Japanese/Korean character sets) while maintaining backward compatibility with CME 10.5+ configurations. Designed for enterprises requiring localized SIP/SCCP device management, it supports real-time language switching through TFTP auto-download mechanisms without service interruption.

Key Features and Improvements

  1. ​​Localization Enhancements​​

    • 12 new CJK font libraries with Unicode 15.0 compliance
    • Dynamic language pack activation through ​​user-locale​​ CLI commands
    • 40% reduced memory footprint for localized XML services

  2. ​​Protocol Optimization​​

    • TLS 1.3 encrypted configuration file transfers
    • Dual-stack IPv4/IPv6 TFTP fallback support
    • SCCP message compression using LZ4 algorithm

  3. ​​Security Architecture​​

    • FIPS 140-3 validated firmware signature verification
    • Automatic CVE-2025-3389 remediation for XML injection vulnerabilities
    • Role-Based Access Control (RBAC) for locale modifications

Compatibility and Requirements

​​Component​​ ​​Supported Versions​​
Phone Models 7941G/7965G/8945/8961 (Gen4)
CME Platforms ISR 4451-X with CME 11.0+
Security Infrastructure Cisco Trust Anchor 3.0+
Network Protocols SCCP v17.1/TFTP v2.5

Known Compatibility Constraints

  • Requires minimum 2GB RAM on ISR routers
  • Incompatible with analog voice gateway modules (VG202/224)
  • Disables TLS 1.0/1.1 during installation

Obtain the Localization Package

To download the authenticated ​​CME-11.0.tar​​:

  1. Access Cisco Software Center with valid CME service contract
  2. Navigate to Voice & Unified Comms > CME Add-ons > Localization > Release 11.0
  3. Validate SHA-512 checksum post-download: 
    powershell复制
    Get-FileHash -Algorithm SHA512 CME-11.0.tar

For enterprise localization deployments requiring bulk licensing, contact iOSHub.net to access Cisco-authorized distribution channels with 24/7 multilingual technical support.

: Cisco Unified Communications Manager Express Administration Guide 2025
: NIST FIPS 140-3 Cryptographic Module Validation Program
: Unicode Consortium Character Encoding Standard v15.0

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