iOS app cannot establish call, quits on click to mic icon

[jovantehno]

Describe the bug
Voice call to other party on the same snikket selfhosted server.
call does not go through, no notification on other side.
If caller clicks on mic icon, app quits.

To Reproduce
Steps to reproduce the behavior:
call to other party on the same snikket selfhosted server.
call does not go through, no notification on other side.
If caller clicks on mic icon, app quits.

Screenshots
If applicable, add screenshots to help explain your problem.

Software versions:

• App Version: 1.2.1

• iOS version: 17.0.3

• iPhone model: 15 pro max

• Server software: Snikket self hosted

If your problem involves communication with people using other apps/platforms,
please include details of their app and versions also when possible.

Additional context
great project