[Sync26] WebRTC APIs meta-release scope r3.x (DRAFT)

[stroncoso]

Problem description

Fall26 scope release issue.
Meta-release calendar pending to be published
👉 Keep track of issues targeted for this release 3.x also filtering by the "fall26" label

Expected action

Expected scope for all APIs:

• Clarification and improvement of documentation
• Alignment with Commonalities & ICM changes for Spring26
• Feedback improvements
• Race conditions solutions

Enhancements to address (confirmed):

• Emergency call support for BYON #25
• Resolving the gap issue in WebRTC Events #64
• Provide location for call creation process #79

Bug fixing

• Review sessionId reference on webrtc-events API #110
  • Decoupling WebRTC-Events subscriptions from specific media session or registration #126
• Clarification on MediaSessionInformation in WebRTC Call Handling API #87
  • fix: removing reason and sequenceNumber fields from MediaSessionInformation #119
• Clarification on some properties in webrtc-call-handling #117
  • Remove unused properties #124
• Decoupling WebRTC-Events session-status subscription from specific media session #118
  • Decoupling WebRTC-Events subscriptions from specific media session or registration #126
• Emergency call support for BYON #25
  • Add Emergency Calling support (callType + PIDF-LO location) #120
• UML supporting documentation review for r2.2 #109
  • Adding UML diagrams in API provider perspective #122

Other merged PRs:

• [bulk] Sync Release Information section (2025-12-12-001) #130
• Additional user story documents #125
• Update CODEOWNERS stroncoso #133

Target versions

• webrtc-registration TBD
• webrtc-call-handling TBD
• webrtc-event-susbcriptions TBD

Additional context

This release is the result of the Spring26 and Fall26 meta-release enhances.