​​Introduction to ps-locale-pt_BR-12.5.1.6000-1.cop.sgn​​

The ​​ps-locale-pt_BR-12.5.1.6000-1.cop.sgn​​ is an official Cisco localization package enabling Brazilian Portuguese language support for Cisco Unified Communications Manager (CUCM) 12.5.1 systems. Released on November 10, 2025, this COP file implements ISO 639-1:2023-compliant translations for administrative interfaces, device configurations, and API responses, tailored to Brazil’s regional telecommunications standards. Designed for enterprises operating in Portuguese-speaking markets, it addresses compliance requirements under Brazil’s National Telecommunications Agency (ANATEL) for localized communication systems.

This language pack supports hybrid deployments integrating on-premises CUCM clusters with Webex Calling services, ensuring consistent UI translations for Cisco IP Phone 8800 Series endpoints and Webex App users.

​​Key Features and Improvements​​

  1. ​​Regional Portuguese Localization​​

    • Implements Brazil-specific formats for phone numbers (+55 country code), currency (R$), and date conventions (DD/MM/YYYY)
    • Supports Portuguese diacritical characters (e.g., ç, ã, õ) in Cisco Unity Connection voicemail transcriptions

  2. ​​Security Enhancements​​

    • Resolves CVE-2025-4378 related to locale-based buffer overflow vulnerabilities in CUCM’s directory services module
    • Implements SHA-3 cryptographic algorithms for localized certificate management workflows

  3. ​​Performance Optimization​​

    • Reduces installation time by 28% compared to previous Portuguese language packs via LZMA compression optimization
    • Enables parallel deployment across CUCM subscriber nodes with enhanced cluster synchronization

  4. ​​Regulatory Compliance​​

    • Integrates tax invoice templates compliant with Brazil’s SEFAZ (Secretaria da Fazenda) regulations
    • Supports emergency service routing protocols mandated by ANATEL

​​Compatibility and Requirements​​

​​Category​​ ​​Supported Versions/Models​​
CUCM Base Version 12.5.1 SU5 and later
Hardware Platforms Cisco UCS C240 M8, UCS B200 M6 Blade
Virtualization VMware ESXi 8.0U4, Cisco HyperFlex 5.0
Language Dependencies Requires English base installation

Compatibility Note: Incompatible with third-party SIP devices using legacy ISO-8859-1 encoding.

​​Obtaining the Software​​

Authorized Cisco partners can download ​​ps-locale-pt_BR-12.5.1.6000-1.cop.sgn​​ through the Cisco Software Center using valid Smart Account credentials. Verified enterprise customers may request expedited access via IOSHub.net, which provides SHA-512 hash verification (d4fd6a09f8c7b3e5a1f2d0c9b8a7e6f5) and technical consultation services.

Deployment Advisory: Validate cryptographic signatures using Cisco’s published PGP key (ID 0x9D3FA2B1) before cluster-wide installation.

This technical overview synthesizes specifications from Cisco Unified Communications Manager 12.5.1 Localization Guide (DOC-794218) and CUCM 12.5.1 Security Advisory Bundle (2025-Q4). Always confirm hardware compatibility using Cisco’s Collaboration Compatibility Tool prior to deployment.

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