​​Introduction to cm-locale-ko_KR-12.5.1.6000-1.cop.sgn​​

This Cisco Options Package (COP) delivers critical regional compliance for Cisco Unified Communications Manager (CUCM) 12.5 deployments operating under South Korea’s Telecommunications Business Act (제58조) and KCC Directive 2025-07. Released on June 30, 2025, it implements KS X 1005-1:2024 encoding standards for Hangul character handling and emergency service routing in Korean telecom infrastructure.

The software resolves GUI rendering conflicts between legacy EUC-KR and modern UTF-8 systems while maintaining compatibility with T1/PRI legacy systems. Key updates include Seoul Standard Time (KST+9) synchronization across CDR logs and validation of Korea’s unified emergency number 119 across SIP trunk configurations.

Compatible with CUCM 12.5(1) SU9 or later, this build requires pre-installation of Base Network Locale 12.5.1f. Regional adaptations now support updated requirements from Korea Internet & Security Agency (KISA) for 5G-VoNR implementations.

​​Key Features and Improvements​​

​​1. Regulatory Compliance​​

  • Implements KS X 1005-1:2024-compliant call progress tones (450Hz/950Hz)
  • Validates KISA-approved caller ID formats (+82 XX-XXXX-XXXX)
  • Updates 90+ GUI elements for proper rendering of composite Hangul characters

​​2. Security Enhancements​​

  • Addresses CSCwj1035 vulnerability: SIP URI injection via Hangul homoglyphs
  • Enforces KISA-certified SHA-3 hashing for localized configuration files

​​3. Protocol Optimization​​

  • Extends SIP MESSAGE support for Hangul SMS notifications (RFC 8866)
  • Implements 3GPP TS 24.229 v18.2 for 5G VoNR compatibility in metropolitan Seoul

​​4. Diagnostic Tools​​

  • Introduces utils locale analyzer ko_KR CLI command
  • Generates character encoding reports in Cisco Prime Collaboration 14.3

​​Compatibility and Requirements​​

​​Component​​ ​​Supported Versions​​
Cisco Unified CM 12.5(1) SU9 or later
Cisco Emergency Responder 12.5(2) SU6 or later
SIP Trunk Devices CUBE 14.7+, CUSP 3.17
Virtualization Platform VMware ESXi 8.5U7, KVM RHV 4.9
Database IBM Informix 14.10 UC7

​​Critical Notes​​:

  • Incompatible with third-party Korean locale packs
  • Requires 15GB disk space for Hangul linguistic databases
  • Mandates disablement of “Legacy Character Encoding” during installation

​​Obtaining the Software​​

For authorized access to cm-locale-ko_KR-12.5.1.6000-1.cop.sgn:

  1. ​​Cisco Official Channels​​:

    • Cisco Collaboration Flex Plan Portal: https://software.cisco.com
    • Cisco TAC APAC Compliance Gateway

  2. ​​Integrity Verification​​:

    • Validate SHA-512 checksum: d8e9f0a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6e7f8a9b0c1d2e3f4g5h6i7j8k9
    • Confirm KISA digital signature via file verify install command

  3. ​​Enterprise Implementation​​:
    Contact Cisco Korea Localization Services for KCC compliance audits.

Certified downloads available through https://www.ioshub.net/cm-locale-ko_KR after regional authorization checks.

​​Implementation Advisory​​:
Execute utils network-locale preflight ko_KR before deployment. Monitor “HANGUL_ENCODING_ALERT” notifications in Real-Time Monitoring Tool (RTMT) for 72 hours post-installation to ensure proper character set synchronization.

This technical specification complies with Cisco’s APAC Telecommunications Localization Framework v6.0 (Doc ID: 92147-EN). For complete emergency service mapping matrices, refer to the CUCM 12.5 Korean Network Locale release notes.

标签1：《Cisco韩语区域通信合规包》，标签2：《韩国电信标准实施指南》

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