- Play notification sound also when message arrives and baresip is visible.
- If contact's name is empty, use contact's SIP URI AoR as contact's name.
- Relaxed checking of contact's name.
- Avoid occasional crash when selecting an account in the spinner.
- Ask Record Audio (Microphone) permission when baresip starts (if not
  already granted or permanently denied).
- Improved handling of Write/Read External Storage (Storage Space)
  permission upon Backup/Restore.
- Read Phone State (Phone) permission is not needed.