[Webkit-unassigned] [Bug 260388] New: REGRESSION (iOS 17 Beta): The browser page is refreshed or iOS User is disconnected from the call if iOS User receives a PSTN/FaceTime call and waits at least 1 min in the middle of WebRTC call

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=260388

            Bug ID: 260388
           Summary: REGRESSION (iOS 17 Beta): The browser page is
                    refreshed or iOS User is disconnected from the call if
                    iOS User receives a PSTN/FaceTime call and waits at
                    least 1 min in the middle of WebRTC call
           Product: WebKit
           Version: Safari 17
          Hardware: iPhone / iPad
                OS: Other
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: madara.freimane at testdevlab.com
                CC: youennf at gmail.com

Summary:
The browser page is refreshed or iOS User is disconnected from the call if iOS User receives a PSTN/FaceTime call and waits at least 1 min in the middle of WebRTC call

Tested devices:
The bug is reproducible on:
- iPhone 11 Pro Max (iOS 17 Public Beta 4, build: 21A5312c) and Safari
- iPhone 13 (iOS 17 Public Beta 4, build: 21A5312c) and Safari

The bug is not reproducible on:
- iPhone 13 (iOS 16.6) and Safari

Scenario:
Preconditions:
Browser opened on iOS 17 device
The User is in an active WebRTC call with audio/video ON

Steps:
1. iOS 17 User receives PSTN/FaceTime call in the middle of the WebRTC call
2. iOS 17 User spends at least 1min in a PSTN/FaceTime call
3. iOS 17 User or another User ends the PSTN/FaceTime call
4. iOS 17 User sees that browser page refreshes OR iOS User is disconnected from the call

Actual result:
The browser page is refreshed if iOS User receives a PSTN/FaceTime call and waits at least 1 min in the middle of WebRTC call OR iOS User is disconnected from the call

Expected result:
The browser page is not refreshed and iOS User can continue to use WebRTC call if iOS User receives a PSTN/FaceTime call and waits at least 1 min in the middle of WebRTC call

Reproducibility:
100%

Additional information:
Observed that higher reproducibility (100%) is when User has only audio call and video is disabled.

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