Remote Extensions behind NAT - Registering but no audio

[etsiot]

Rport is already enabled
also tried Rport direct process but no luck either.

Perhaps I should look to create a new sip profile per scenario 2 in https://freeswitch.org/confluence/display/FREESWITCH/General+NAT+example+scenarios ?

 

[smn]

tcpdump is your friend.