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V26.3

New Device Support & Performance Upgrades

⚙️ New Support
🌟 Enhancements
🐛 Bug Fixes
Mar 26, 2026

Adds support for new VTech and Yealink devices, introduces a faster, more scalable TR-069 microservice, improves Poly Edge configuration, updates APIs, and enhances Webex sync. Also includes key bug fixes for imports, connectivity, templates, and device authentication.

📞 New Device Support

VTech (Hospitality phones)

  • NG-3311
  • NG-3411

Yealink

  • MP54 E2
  • MP56 E2
  • MP58 E2
  • MP58-WH E2

🌟 Enhancements
  • Implemented new TR-069 micro-service with improved performance and scalability.
  • Extended line key configurability for Poly Edge devices to include the “Any” option
  • Updated API documentation
  • Optimized synchronization logic between Webex Calling and Phonism

🐛 Bug Fixes
  • Fixed an issue when importing CSV at the Domain hierarchy level
  • Fixed an issue with mTLS connections timing out and not recovering
  • Fixed an issue with Templates not saving properly
  • Fixed an issue with setting the name for Yealink phone books
  • Fixed an issue with TR69 authentication for Mitel 69xx series devices