A customer can login to the user Web Client successfully but they cannot make or receive calls. While troubleshooting they trace the SBC and find the following trace messages and trace stops reaching SBC:
Which reason is a valid reason for this problem?
A Customer Can 1 (16.13 KiB) Viewed 51 times
A. This indicates that the STUN/TURN Port must be 3847 on SBC Server.
B. This indicates that the STUN/TURN Port is not opened on SBC Server
C. This indicates that the STUN/TURN Port is opened correctly on SBC Server
D. This indicates that the STUN/TURN Port must be 3748 on SBC Server
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