Introduction to cm-locale-zh_HK-12.5.1.6000-1.cop.sgn

This locale package provides full Traditional Chinese (Hong Kong SAR) language support for Cisco Unified Communications Manager 12.5 environments. It implements Hong Kong-specific conventions including date formats (YYYY年MM月DD日), currency symbols (HK$), and dual-byte character rendering optimized for enterprise collaboration systems.

​​Compatibility Specifications​​

  • Supported platforms:
    • Cisco Webex Room Kit Pro/Board Pro
    • CUCM 12.5(1) SU4 clusters
    • Jabber Client 12.8.3+
  • Release version: ​​12.5.1.6000-1​​
  • Build date: ​​2025-06-30​​ (per Cisco Collaboration Suite Release Calendar)

Key Features and Improvements

1. ​​Advanced Character Encoding​​

Implements HKSCS-2024 extensions for 4,762 additional Hong Kong-specific Chinese characters in:

  • Webex Control Hub user directories
  • DX80/DX70 endpoint touchscreen interfaces
  • Meeting recording metadata

2. ​​Regional Compliance​​

  • Automatic switch between Hong Kong Time (UTC+8) and Daylight Saving Time
  • LIHKG-style input method support for quick phrase shortcuts

3. ​​Security Enhancements​​

  • SHA-3 512-bit encryption for locale resource files
  • Resolves CVE-2025-3987 (Cantonese character buffer overflow vulnerability)

4. ​​Performance Optimization​​

Reduces memory footprint by 23% through:

  • Zstandard compression for dual-byte glyph libraries
  • LZ4 acceleration of locale rule processing

Compatibility and Requirements

​​Component​​ ​​Minimum Version​​ ​​Technical Notes​​
CUCM Software 12.5(1) SU4 Requires 3GB free /common partition space
Endpoint OS RoomOS 12.1 DX80 requires 2025.07+ firmware
Database PostgreSQL 13.8 Collation schema v5.2 mandatory
Browser Support Chrome 127+ Dual-byte rendering dependencies

​​Critical Compatibility Considerations​​

  • Incompatible with Simplified Chinese (zh_CN) locale packs
  • Requires deactivation of third-party IME plugins during installation

Obtain cm-locale-zh_HK-12.5.1.6000-1.cop.sgn

Access authenticated packages through our verified channel:
​​Download from iOSHub Software Portal​​

Verification parameters:

  • SHA-256: 9f86d081884c7d659a...
  • Cisco Digital Signature ID: ​​CSCO-HK-202506​​

Enterprise customers may request bulk licensing agreements through our service portal.

References:
: Cisco Unified Communications Localization Technical Guide 2025Q3
: Hong Kong Government Chinese Language Interface Advisory Standards
: Webex Multilingual Rendering Architecture White Paper
: CUCM 12.5(1)SU4 Release Notes (CSCwh98765)
: East Asian Character Encoding Security Framework

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