There are no active sessions.
In this case, you may experience next issues:
- Start packet of specific call is not sent or is sent in corrupted/improper format.
- Gateway doesn't support active calls tracking in JeraSoft VCS.
- There is no call-id in start packet.
- Check if start packets are sent and include correct data.
- Go to Configuration > Gateways and in target gateway settings enableTrack active events checkbox.
- Configure switch so that it sends call-id.