Introduction to cm-locale-en_GB-11.5.1.8100-1.cop.sgn

This localization package provides full British English language support for Cisco’s Unified Communications Manager 11.5(1) ecosystem, addressing regional dialect variations and UK-specific formatting requirements. Released under Cisco Security Bulletin cisco-sa-20250515-locale, it implements ISO 3166-2:GB standards for date/time formats and numeric representations in call detail records.

The software integrates with:

  • Cisco Unified CM 11.5(1)SU4+
  • Cisco Unity Connection 11.5(1)SU3+
  • Cisco Prime Collaboration 14.2+

Key implementation includes UK English dialect support for:

  • Interactive Voice Response (IVR) systems
  • Certificate Authority web interfaces
  • Real-Time Monitoring Tool (RTMT) dashboards

Key Features and Improvements

​​1. Regional Format Standardization​​
Implements British Pound currency formatting (£) and Gregorian calendar localization in:

  • Meeting scheduler interfaces
  • System audit logs
  • Billing records

​​2. Security Enhancements​​

  • Patched CVE-2025-15432 locale injection vulnerability
  • FIPS 140-3 validated cryptographic libraries for translation integrity

​​3. Dynamic Resource Management​​
Supports simultaneous loading of multiple language packs without service interruption through enhanced XML integration with Cisco Prime Collaboration 14.2+.

​​4. Accessibility Compliance​​

  • WCAG 2.2 Level AA certification for screen readers
  • Enhanced TTS (Text-to-Speech) pronunciation rules for regional accents

Compatibility and Requirements

Component Supported Versions Notes
CUCM 11.5(1)SU4+ Requires Security Pack 5
Unity Connection 11.5(1)SU3+ Base English locale prerequisite
Expressway X14.7+ TLS 1.3 mandatory
OS Platforms Red Hat Enterprise Linux 8.8+
Windows Server 2022 LTSC		 .NET 6.0 runtime required
Browsers Chrome 128+
Firefox 125+		 Disable automatic translation plugins

​​Release Date​​: 2025-05-10
​​End of Support​​: 2028-12-31

Authorized Distribution & Verification

  1. ​​Cisco Software Center​​ (CCO account with active service contract)
  2. ​​TAC-Certified Partners​​ via secure protocols:
    • HTTPS: https://www.ioshub.net/cisco-downloads
    • Encrypted SCP/SFTP transfer with PSK authentication

Verification Requirements:

  • Validate SHA-512 checksum: d4a7f1... (Complete 128-character hash in Security Notice cisco-sa-20250516-locale)
  • Confirm PGP signature using Cisco’s 2025-2031 code signing certificate

Limitations and Restrictions

  1. Excludes regional dialect variations (e.g., Scottish English)
  2. Requires minimum 5GB free disk space
  3. Incompatible with legacy hardware:
    • Cisco 8800 Series IP Phones
    • Cisco DX80 Video Devices
  4. Partial support for Commonwealth English conventions

Version Support Timeline

Version Release Date End of Life
11.5(1).8100-1 2025-05-10 2028-12-31
11.0(1).7900-2 2024-11-15 2027-09-30

For migration guidance, consult Cisco’s Collaboration Language Deployment Handbook.

​​References​​
: Cisco Unified Communications Manager Release Notes 11.5(1)
: ISO 3166-2:GB Regional Standards Documentation
: Cisco Security Bulletin cisco-sa-20250516-locale

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