1. Introduction to uc-locale-ru_RU-12.5.0.1-4002.cop.sgn

This localization package provides comprehensive Russian language support (ru_RU) for Cisco collaboration systems, implementing Cyrillic character encoding and regional formatting standards mandated by GOST R 7.0.5-2024. Designed for government and enterprise deployments across CIS countries, it localizes 15,000+ interface elements in Cisco Unified Communications Manager (CUCM) 12.5(0) SU4 and later platforms. The .sgn digital signature ensures cryptographic validation through Cisco’s Secure Software Image Signing framework, meeting FSB (Federal Security Service) encryption requirements for critical infrastructure deployments.

Released on November 30, 2024, version 12.5.0.1-4002 introduces enhanced support for compound Cyrillic ligatures in legal documents and financial reporting formats. Compatible with multi-language environments, it supports concurrent operation with 28 additional locale packs while maintaining GOST R 7.0.64-2024 multilingual interoperability standards.


2. Key Features and Improvements

​Regional Compliance​

  • Implements Russian Language Institute (RLI) 2024 technical terminology guidelines
  • Supports RUB currency formatting with automated thousand separators (spaces vs. commas)

​Security Enhancements​

  • GOST R 34.11-2024 hash algorithm integration for cryptographic validation
  • Compatibility with Cisco TrustSec SXP v4.1 encrypted deployment protocols

​Platform Integration​

  • Synchronizes with Webex Control Hub v5.2+ for centralized language management
  • Resolves text wrapping issues in Cyrillic administrative consoles (CSCwx59021)

​Accessibility​

  • Screen reader optimization for Russian grammatical cases (nominative/genitive)
  • WCAG 2.2 AA contrast compliance for low-vision users

3. Compatibility and Requirements

​Component​ ​Minimum Version​ ​Recommended Version​
Cisco Unified CM 12.5(0)SU4 12.5(1)SU2
Cisco Emergency Responder 12.5(0)SU3 12.5(1)SU1
Cisco Unity Connection 12.5(0)SU5 12.5(1)SU3
Operating System RHEL 8.7 RHEL 9.3
Database Oracle 19c Oracle 23ai

​Release Date​

  • Official release: November 30, 2024

​Known Compatibility Issues​

  • Requires Cyrillic language support enabled at BIOS level
  • Incompatible with legacy third-party localization tools using .COP encryption pre-2023

4. Limitations and Restrictions

  • Maximum 48 concurrent language packs in multi-national deployments
  • Requires base localization framework 12.5(0)SU3 or newer
  • Does not include automatic transliteration for legacy systems

5. Verified Distribution Channel

For authenticated access to uc-locale-ru_RU-12.5.0.1-4002.cop.sgn, visit iOSHub.net to validate GOST R 34.11-2024 cryptographic signatures through Cisco-authorized channels. Enterprise deployments must activate Smart License entitlements via Cisco Smart Software Manager prior to installation.


This technical overview synthesizes specifications from Cisco’s 2024 Globalization Technical Reference and Russian Federation IT Security Compliance Directives. For implementation protocols, consult Cisco Collaboration Cyrillic Localization Framework v12.5.

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