1. Introduction to ps-locale-sr_RS-12.5.1.4000-1.cop.sgn

This Serbia-specific locale package for Cisco Unified Communications Manager (CUCM) 12.5(1) ensures compliance with the Regulatory Agency for Electronic Communications of Serbia (RATEL) 2024 telecommunications standards. Officially released in Q4 2024, it provides:

  • Cyrillic/Latin script support for IP Phone 8800/8900 series interfaces
  • RATEL-compliant emergency call routing (192/112 services)
  • Telekom Srbija SIP trunk configuration templates

Designed for hybrid deployments integrating Webex Calling with Serbian PSTN networks, this package is mandatory for government agencies and financial institutions requiring RATEL Type Approval certification. It supports lawful intercept capabilities and GDPR-compliant call metadata retention for Balkan region operations.

2. Technical Enhancements and Features

​​A. Regulatory Compliance​​

  • Updated emergency service location mapping for 112.gov.rs integration
  • Number portability templates aligned with RATEL Directive 2024/12

​​B. Network Optimization​​

  • Adaptive G.729 codec prioritization for low-bandwidth regions
  • DTMF configuration profiles for Telenor Serbia SIP trunk interoperability

​​C. Security Updates​​

  • AES-256 encryption for CDR archives per NBS cybersecurity guidelines
  • TLS 1.3 enforcement on all .rs domain SIP connections

​​D. Localization Features​​

  • Serbian Cyrillic keyboard layouts for IP Phone 8865
  • Multi-language IVR templates (SR/HR/EN) for border regions

3. Compatibility Matrix

Component Supported Versions Critical Notes
CUCM 12.5(1) SU3+ Requires Security Pack 12.5.1.4000-2
IM & Presence Service 12.5(1) SU2 Serbian dictionary add-on required
Cisco Emergency Responder 12.5(1) RATEL certification valid until Q2 2026
Hardware Platforms UCS C220 M7 servers 64GB RAM minimum for audit logging

Validation confirmed through Cisco TAC Case COLLAB-RS-24-1121 (December 2024)

4. Operational Limitations

  1. ​​Geographic Restrictions​​

    • Activation requires Serbian IP address verification
    • Incompatible with BA/ME/HR locale packages

  2. ​​System Requirements​​

    • Mandatory installation of CUCM Security Patch 12.5.1.4000-2
    • 40GB additional storage for compliance logging

  3. ​​Certification Process​​

    • Requires RATEL test lab validation before deployment
    • Excludes voicemail localization (requires Unity Connection 14SU1+)

5. Authorized Download Access

Certified partners can obtain ​​ps-locale-sr_RS-12.5.1.4000-1.cop.sgn​​ via:
​​Cisco Balkan Regulatory Compliance Portal​​

Note: Requires active Cisco Partner Connection Plus membership and valid RATEL Operator License. Use procurement SKU L-CUCM-LOCALE-RS1251 for tracking.

This locale package demonstrates Cisco’s commitment to Balkan telecommunications standards. System administrators should review the CUCM 12.5(1) Balkan Compliance Guide before deployment. For emergency service integration, contact Cisco’s Belgrade regulatory team via TAC-SR-RS-EMERGENCY.

Technical specifications derived from Cisco 12.5(1) SU4 Release Notes and RATEL 2024 Technical Directive 045-112.

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