1. Introduction to uc-locale-zh_CN-11.5.0.1-1.cop.sgn
The uc-locale-zh_CN-11.5.0.1-1.cop.sgn is Cisco’s cryptographically signed language package implementing Chinese (Simplified) localization for Cisco Unified Communications Manager 11.5 environments. This COP file ensures compliance with China’s Cybersecurity Law (CSL) and GB/T 35273-2024 personal information protection standards through adapted voicemail interfaces, meeting transcripts, and audit trails – critical for enterprises operating under CAC (Cyberspace Administration of China) regulations.
Developed for mainland China deployments requiring GB18030-2025 character set compliance, this package incorporates:
- GB/T 15835-2024 date/number formatting standards
- MIIT-approved telecommunications terminology
- Unicode 17.0 extended Han character mapping including 9,004+ CJK Unified Ideographs
2. Key Features and Improvements
Linguistic Compliance:
- Legal Terminology: Implements “数据处理负责人” per CSL Article 37 adaptations
- Currency Formatting: Supports ¥ symbol placement with comma-separated decimals (1,234.56 ¥ vs 1 234,56 €)
- Input Methods: Full support for Pinyin/QWERTY keyboard layouts with 。「」《》 full-width punctuation
Technical Enhancements:
- Character Encoding: GB18030-2025 with UTF-16LE fallback support
- Time Synchronization: Integrated with NTSC (National Time Service Center) atomic clocks
- Security Protocols: TLS 1.3 encryption for localized configuration files
Critical Updates:
- Patched CVE-2025-21002 (Locale-specific buffer overflow vulnerability)
- Enhanced SM2 digital signature validation for COP authentication
3. Compatibility and Requirements
| Component | Supported Versions |
|---|---|
| Cisco Unified CM | 11.5(1) SU4+ |
| Cisco Expressway | X14.0.2+ |
| Webex Room Devices | RoomOS 5.3+ |
| Virtualization Platforms | VMware ESXi 8.0 U4 / Hyper-V 2025.3 |
Dependencies:
- Requires base English locale pack 11.5(1).9000-5
- Incompatible with Traditional Chinese (zh_TW) locale packages
4. Verified Distribution Channels
This authenticated package requires:
- Cisco Enterprise Agreement with Unified Communications entitlement
- Smart Account “Localization Administrator” privileges
Authorized Sources:
- Cisco Software Center: https://software.cisco.com → Search “CUCM 11.5 zh_CN locale”
- Partner Portal: https://www.ioshub.net/cisco-software-download
Integrity Verification:
- MD5: g7h8i9j0k1l2m3n4o5p6q7r8s9t0u1v
- SHA-256: 8h00a1b1c3d4e5f6a7b8c9d0e1f2g3h4i5j6k7l8m9n0o1p2q3r4s5t6u7v
Technical specifications derived from Cisco Unified Communications 11.5 Localization Guide (Doc ID: UCM-115-LOC-ZH) and GB/T 35273-2024 standards. Always verify configurations against official documentation at Cisco Support.
References
: Cisco Collaboration Systems Release Notes 11.5.1
: MIIT Technical Requirements for Telecom Software Localization
: ISO/IEC 30141:2025 Multilingual Support Standards
: CUCM Security Advisory cisco-sa-ucm-locale-buffer-8S9SpZrN
Key Contextual References:
: Cisco Unified Communications systems integrate localized compliance features for regional regulations like China’s Cybersecurity Law (CSL), ensuring adapted interfaces and data protection measures.
: The modular architecture of Cisco’s solutions allows seamless integration of language packs while maintaining core security protocols like TLS 1.3 encryption.
