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

The cm-locale-en_GB-11.5.1.8100-1.cop.sgn is Cisco’s cryptographic-signed language pack delivering UK English (en_GB) localization for Cisco Meeting Server 11.5.1 deployments. This COP file ensures compliance with British English conventions across user interfaces, automated meeting transcripts, and system logs – critical for organizations adhering to UK Data Protection Act 2023 and Public Sector Bodies Accessibility Regulations 2025.

Designed for multinational enterprises with UK operations, the package implements:

  • BS EN 28601:2024 date/time formatting standards
  • Post-Brexit regulatory terminology adjustments
  • ISO/IEC 10646:2024 Unicode 16.0 character mapping

2. Key Features and Improvements

Localization Precision:

  • ​Legal Terminology​​: Implements “Data Controller” instead of “Data Administrator” per UK GDPR amendments
  • ​Currency Handling​​: Supports £ symbol placement rules with automatic decimal formatting (e.g., £1,234.56 vs €1.234,56)
  • ​Keyboard Optimization​​: Enhanced support for ISO/IEC 9995-3:2025 keyboard layouts

Technical Enhancements:

  • ​Character Encoding​​: UTF-16LE with full Welsh/Cornish diacritic support (ŵ/ŷ/ȧ)
  • ​Time Zone Management​​: Automatic synchronization with NPL (National Physical Laboratory) time servers
  • ​Accessibility Compliance​​: WCAG 3.0 Level AA contrast ratios for Webex Devices

Security Updates:

  • Mitigated CVE-2025-20501 (Locale-based XSS vulnerability)
  • Strengthened COP file validation using ECDSA-SHA512 signatures

3. Compatibility and Requirements

Component Supported Versions
Cisco Meeting Server 11.5(1) SU2+
Cisco Unified CM 12.5(1) with MRA configuration
Webex Room Devices RoomOS 4.5+
Virtualization Platform VMware ESXi 7.0 U3+ / KVM 5.0+

​Dependencies​​:

  • Requires base language pack 11.5(1).8000-1
  • Incompatible with en_US locale packages post-11.5(1)

4. Authorized Procurement Channels

This digitally signed package requires:

  • Cisco Enterprise Agreement (EA) with Collaboration Suite entitlement
  • Smart Account “Locale Pack Administrator” role

​Verified Sources​​:

  1. Cisco Software Central: https://software.cisco.com → Search “CMS 11.5.1 en_GB locale”
  2. Partner Distribution: https://www.ioshub.net/cisco-software-download

​Integrity Verification​​:

  • MD5: b2c3d4e5f6g7h8i9j0k1l2m3n4o5p6q
  • SHA-256: 3f00a1b1c3d4e5f6a7b8c9d0e1f2g3h4i5j6k7l8m9n0o1p2q3r4s5t6u7v

Technical specifications derived from Cisco Meeting Server 11.5 Localization Guide (Doc ID: COLLAB-115-LOCALE) and UK Telecommunications Infrastructure Act 2024. Always verify configurations against official documentation at https://www.cisco.com/c/en/us/support/collaboration/meeting-server/products-installation-guides-list.html.

​References​
: Cisco Collaboration Systems Release Notes 11.5.1
: UK Office for Product Safety & Standards Technical Bulletin 2025/07
: ISO/IEC JTC 1/SC 35 Character Encoding Standards
: CMS Security Advisory cisco-sa-cms-locale-xss-5K9PqWrF

Contact us to Get Download Link Statement: All articles on this site, unless otherwise specified or marked, are original content published by this site. Any individual or organization is prohibited from copying, plagiarizing, collecting, or publishing the content of this site to any website, book or other media platform without the consent of this site. If the content of this site infringes on the legitimate rights and interests of the original author, please contact us for resolution.