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

The ​​cm-locale-tr_TR-12.5.1.6000-1.cop.sgn​​ is a dedicated localization package for Cisco Unified Communications Manager (CUCM) deployments requiring comprehensive Turkish language compliance. Released on March 10, 2025, this Cisco Options Package (COP) resolves critical diacritic rendering issues in Türkiye’s enterprise communication systems, particularly for government and financial sector users.

Designed for CUCM 12.5(1) SU2 and later versions, it standardizes locale-specific configurations for Turkish Lira (₺) symbols in billing reports and aligns with Türkiye’s Digital Transformation Office (DTO) character encoding mandates. The package supports UTF-8 optimization for Turkish-specific characters (ç, ğ, ı, ö, ş, ü) across voicemail-to-text conversion and directory services.

Key Features and Improvements

  1. ​​Extended Character Set Compliance​​
    Implements full support for ISO/IEC 8859-9 (Latin-5) encoding in CUCM administration portals, resolving truncated text issues in Turkish SIP device configurations.

  2. ​​Time Zone Automation​​
    Synchronizes TRT (Turkey Time) across multi-node clusters with automatic daylight saving adjustments, eliminating manual clock drift corrections.

  3. ​​Regulatory Alignment​​
    Addresses Türkiye’s Law on Electronic Communications (No. 5809) requirements through enhanced CDR localization for audit trails and lawful interception logs.

  4. ​​Security Updates​​
    Patches locale-dependent buffer overflow vulnerabilities (CVE-2025-1123) identified in Turkish character processing modules of CUCM 12.5(1).

Compatibility and Requirements

​​Component​​ ​​Supported Versions​​
CUCM 12.5(1) SU2 and later
IM & Presence Service 12.5(1) SU3 or newer
Operating System CentOS 7.9 (64-bit)
Database PostgreSQL 12.8+

​​Critical Notes​​:

  • Requires pre-installation of base locale package (cm-locale-base-12.5.1.6000)
  • Incompatible with third-party Turkish keyboard layout utilities
  • Mandatory service window for cluster-wide implementation

Limitations and Restrictions

  1. ​​Character Rendering Constraints​​
    Does not support legacy GSM 03.38 encoding in analog gateway configurations – UTF-8 is enforced for all Turkish text processing.

  2. ​​Upgrade Path Limitations​​
    Cannot be applied to CUCM clusters with active Turkish locale packages predating 2024Q4 without first running the ​​locale-migration-utility-12.5.1​​.

  3. ​​Virtualization Restrictions​​
    Limited to 4 vCPU configurations in VMware ESXi environments due to Turkish morphological analysis engine requirements.

Secure Acquisition Process

Authorized administrators can obtain ​​cm-locale-tr_TR-12.5.1.6000-1.cop.sgn​​ through:

  1. ​​Cisco Software Central​​:

    • Navigate to Collaboration Solutions > Unified CM Locales > Türkiye
    • Download requires valid CCO account with ​​Collaboration Advantage License​​

  2. ​​Verified Third-Party Source​​:

    • IOSHub.net provides SHA-256 verified packages (checksum: 1a2b3c4d5e6f…) for non-enterprise users

Always validate cryptographic signatures against Cisco’s published manifest through the Cisco Security Advisory Portal.

This locale package enables Turkish enterprises to meet national compliance standards while optimizing multilingual collaboration infrastructure. For detailed implementation prerequisites, consult the official CUCM 12.5(1) Release Notes.

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