Local conference creator cannot hear anything in some situation

[pkozak2]

Hello,

1. Describe the bug (mandatory)

Creator of local conference cannot hear anyone in some scenario.

2. To Reproduce (mandatory)

• login to sip account (my: pkozak2)
• Call to someone (call from: pkozak2 to pkozak)
• Make second call (call from: pkozak2 to pkozak3)
• Create local conference from main caller - (pkozak2) - go to call list, and tap merge to conference button
• Make sure, that everyone can talk and hear everyone
• Creator of conference (in my example - pkozak2) now make another call, to number that not exists (in my logs: 888888888)
• Number is not exists, so app returns to single call mode, but i want to return to conference. Click dots button, Call list, and again conference button.
• Now creator (pkozak2) can talk, everyone hears him, but he don't hear anyone.

3. Expected behavior (mandatory)

Creator of conference must hear everyone after reenter to local conference.

4. Device info (mandatory)

• Device: RugGear RG760
• OS: Android 7.1
• Version of the App: 5.2.5
• Version of the SDK: 5.3.47
• Where you did got it from: download.linphone.org

In my case pkozak and pkozak3 are Microsip desktop apps.

5. SDK logs (mandatory) 66952b8458695_a8233b9d7e18b9ecf4cc.gz