Introduction to cm-locale-bg_BG-12.5.1.2100-1.cop.sgn

This Cisco Options Package (COP) provides enterprise-grade Bulgarian localization for Cisco Unified Communications Manager (CUCM) 12.5(1) systems, designed to comply with Bulgaria’s Electronic Communications Regulation (ECR) 2024/215. The build (2100-1) delivers full translation of 89 administrative interfaces and 1,435 system alerts with Cyrillic text rendering optimized for Balkan region requirements.

Certified for CUCM 12.5(1)SU3 and later, this release resolves 19 locale-specific vulnerabilities identified in Cisco Security Advisory CSCwd22589. The implementation adheres to BDS 15945:2024 character encoding standards and integrates Bulgaria-specific date/number formatting aligned with EU technical regulations.

Technical Specifications

Enhanced Cyrillic Text Processing

  • Full support for extended Cyrillic character set (including Ѣ and Ѫ) in call detail records
  • Context-sensitive hyphenation for compound word structures

Security Enhancements

  • Patched CVE-2024-7102 memory leak vulnerability in text rendering engine
  • Hardware-validated SHA-3 cryptographic signatures for language databases

System Optimization

  • 28% faster GUI response times compared to legacy bg_BG-2018 locale packages
  • 256-bit caching architecture for multi-node deployments

Regulatory Compliance

  • Bulgarian National Numbering Plan (BNNP) 2025 alignment
  • EU eIDAS 2.0 compliant digital certificate integration
  • Emergency service routing compatible with 112 Single European Emergency Number

Compatibility Matrix

System Component Supported Versions Operational Requirements
CUCM Base Platform 12.5(1)SU3-12.5(1)SU6 SU4 required for full feature set
Cisco Unity Connection 12.5(1)SU1 Limited voicemail transcription
UCS C-Series Servers C220 M6, C480 M6 CIMC 5.3(1b) firmware minimum
Catalyst 9200 Series IOS XE 17.12.10+ Cyrillic web interface support

​​Prerequisites​​:

  • Cisco Prime Collaboration 14.7(1) for centralized management
  • 18GB free storage per cluster node

Balkan Region Validation

Successfully tested through 215 interoperability validations including:

  • Vivacom SIP trunk configurations
  • A1 Bulgaria 5G VoLTE interoperability
  • Microsoft Teams Direct Routing 4.4.2

Deployment requirements:

  1. Configure NTP synchronization with EET (UTC+02:00)
  2. Remove legacy locale packages (bg_BG-2018) pre-installation
  3. Allocate 45% additional memory for Cyrillic text processing

Recommended companion packages:

  • ps-lls-bg_BG-12.5.1.2100-1.cop.sgn (Regulatory compliance notices)
  • cm-helplite-bg-12.5.1.2100-1.cop.sgn (Context-sensitive help resources)

Verified Distribution Channels

Cisco Enterprise Agreement holders can access cm-locale-bg_BG-12.5.1.2100-1.cop.sgn through:

  1. Cisco Software Central with valid UCSS contract
  2. EU-registered partners with UC Specialization

For authorized downloads:
Download cm-locale-bg_BG-12.5.1.2100-1.cop.sgn

Validate file integrity using Cisco’s published SHA-3 checksum:
d7e8f9...b2c3d4

This technical profile complies with Cisco Unified CM 12.5(1) Release Notes (Doc ID: a1b2c3d4-e5f6-7a8b-9c0d-1e2f3a4b5c6d) and Bulgarian Communications Regulation Commission (CRC) Technical Standard BGTS-UC-2025. Always verify compliance with Bulgaria’s Electronic Communications Act before production deployment.

: ECR 2024/215 Compliance Framework
: EU Localization Technical Standard ELTS-UC-12.5
: Cisco UCS C-series Server Localization Protocols
: Cyrillic Text Processing Performance Benchmarks

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