Hello
We have checked logs.
Please try to update to the latest available version.
Code:
service webcallserver update
Once update is done and server restarted, please try again.
If you have any troubles, try the following settings in WCS_HOME/flashphoner.properties:
1.
2.
Code:
rtp_force_synchronization=true
3.
Try these three settings in different combinations.
If you use Twilio, make sure IP address of your WCS server is in Twilio whitelist.