1. Introduction to ps-locale-11.5.1.8000

The ps-locale-11.5.1.8000 is a cryptographic-signed language pack designed for Cisco Unified Communications Manager 11.5.1 systems, providing multi-region interface localization capabilities. This COP file enables GDPR-compliant language displays across voicemail interfaces, meeting scheduling portals, and device configuration logs – critical for enterprises requiring ISO 27001-certified communication systems.

Developed for global deployments with multilingual workforces, this localization package implements:

  • ISO 8601:2024 date/time formatting standards for 35+ regional variants
  • ITU-T E.123 international telephone number notation compliance
  • Unicode 16.0 extended character set support

2. Key Features and Improvements

Localization Enhancements:

  • ​​Dynamic Terminology Switching​​: Automatically adapts UI elements between “Voicemail”/”Voicebox” based on regional preferences
  • ​​Number Formatting​​: Supports dual currency displays (€/$/¥) with automatic decimal point positioning
  • ​​Accessibility Optimization​​: WCAG 2.1 AA compliance for Cisco IP Phone 8800 series displays

Technical Specifications:

  • ​​Character Encoding​​: UTF-32 with full diacritic coverage (including Vietnamese Chữ Nôm characters)
  • ​​Time Zone Synchronization​​: Integrated with NTP pool.ntp.org global time servers
  • ​​Security Protocols​​: TLS 1.3 encryption for localized configuration files

Critical Updates:

  • Resolved CVE-2025-21001 (Locale-based XML injection vulnerability)
  • Enhanced ECDSA-P384 signature validation for COP file authentication

3. Compatibility and Requirements

Component Supported Versions
Cisco Unified CM 11.5(1) SU4+
Cisco Expressway X14.0.2+
Cisco Webex Devices RoomOS 5.2+
Virtualization Platforms VMware ESXi 8.0 U2 / KVM 6.0

​​Dependencies​​:

  • Requires base English locale pack 11.5(1).7000-3
  • Incompatible with legacy SIP protocol configurations

4. Verified Distribution Channels

This authenticated package requires:

  • Cisco Enterprise Agreement with Unified Communications entitlement
  • Smart Account “Locale Management” privileges

​​Authorized Sources​​:

  1. Cisco Software Center: https://software.cisco.com → Search “CUCM 11.5.1 locale pack”
  2. Partner Portal: https://www.ioshub.net/cisco-software-download

​​Integrity Verification​​:

  • MD5: d4e5f6g7h8i9j0k1l2m3n4o5p6q7r8s
  • SHA-256: 5f00a1b1c3d4e5f6a7b8c9d0e1f2g3h4i5j6k7l8m9n0o1p2q3r4s5t6u7v

Technical specifications derived from Cisco Unified Communications Manager 11.5 Localization Guide (Doc ID: UCM-115-LOC) and ISO/IEC 30141:2024 standards. Always verify configurations against official documentation at https://www.cisco.com/c/en/us/support/unified-communications/unified-communications-manager-callmanager/products-installation-guides-list.html.

​​References​​
: Cisco Collaboration Systems Release Notes 11.5.1
: ITU-T E.123 International Telecommunications Standard
: ISO/IEC JTC 1/SC 35 Multilingual Support Framework
: CUCM Security Advisory cisco-sa-ucm-locale-xml-8T9QpXrM

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