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Hello -

I have an asterisk server that is running fine behind iptables.

Call flow is fine inbound and outbound, however, when I setup a call forward I get no audio either direction. The asterisk log does show the call forward. When I temporarily disable iptables the audio works.

When I turn on call screening on the call forward the audio works both ways (with iptables on). I believe this is because the PBX is sending audio first.

Can anyone point me in the right direction on the iptables setting that might prevent the call forwarding?

Thanks in advance.
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