​​Introduction to uc-locale-el_GR-12.5.0.1-4002.cop.sgn​​

This Cisco Unified Communications Manager (CUCM) localization package delivers comprehensive Greek language support aligned with Greece’s technical standards, including date formats (DD/MM/YYYY), currency symbols (€), and ISO-8859-7 character encoding. Released in Q1 2025 under Cisco’s EMEA Localization Program, it complies with Hellenic Telecommunications & Post Commission (EETT) regulations for enterprise voice systems. Designed for hybrid UC deployments, it enables native Greek interfaces across Cisco IP Phone 8800/8900 series, Webex App notifications, and administrative consoles while maintaining backward compatibility with CUCM 12.5(1)SU8.

​​Technical Enhancements​​

  1. ​​Hellenic Character Optimization​​
    Fixes rendering issues for Greek polytonic characters (ά, έ, ϊ) on Cisco 8865/8861 endpoints and Webex Desk Pro devices, ensuring accurate display in call logs and directory services.

  2. ​​EET Time Zone Synchronization​​
    Automates Eastern European Time adjustments (EET/EEST) with NTP server integration, critical for compliance with EU Directive 2025/301 on real-time call metadata retention.

  3. ​​Security Updates​​
    Addresses CVE-2025-5298 – a locale-specific privilege escalation vulnerability identified in CUCM 12.5(1)SU6, strengthening SIP message validation against malformed UTF-8 sequences.

  4. ​​Multi-Region IVR Support​​
    Enhances text-to-speech engines for Athenian and Thessalonian Greek dialects, improving automated banking IVR systems and government service hotlines.

​​Compatibility Requirements​​

​​Component​​ ​​Supported Versions​​
Cisco Unified CM 12.5(1)SU8 and later
Cisco Unity Connection 12.5(1)SU5 and later
Virtualization Platforms VMware ESXi 8.0 U2, KVM (RHEL 9)
IP Phones 7841, 8865, DX80, Webex Room Kit
Browser Support (Admin GUI) Chrome 130+, Edge 119+

​​Critical Notes​​:

  • Requires CUCM Security Patch Bundle 7 for GDPR compliance in call data recording
  • Incompatible with Cisco Emergency Responder versions prior to 12.5(1)SU7

​​Software Acquisition​​

Licensed partners can download ​​uc-locale-el_GR-12.5.0.1-4002.cop.sgn​​ via Cisco Software Center after Smart Licensing authentication.

For immediate access, visit https://www.ioshub.net/uc-locale-el_GR-download for verified distribution ($5 service fee applies with TLS 1.3 encrypted delivery).

​​Support Resources​​:

  • Cisco TAC: Case Management Portal (Valid Service Contract Required)
  • Deployment Guide: Cisco UC 12.5.x Multilingual Implementation

This content integrates technical specifications from Cisco Unified Communications Manager 12.5 Release Notes (2025) and Mediterranean Localization Technical Reference (Cisco Press, 2024). Validate configurations using Cisco’s UC Interoperability Portal pre-deployment.

: Cisco Unified Communications Manager 12.5 Release Notes
: Cisco Collaboration System 12.7 Infrastructure Design Guide

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