Siproxd and Telia

[TF]

Hi,
This may be an issue with the specific VoIP provider Telia in Sweden.

Has someone been able to put the VoIP box behind pfSense?

I have now tried four different configurations:
1: Using static firewall/NAT rules according to:
3478-3479 TCP (stun)
5060 UDP/TCP (SIP)
8500-8559 UDP (rtp)
Or in other words redirecting anything to the VoIP box.

2: Enable UPnP. As suggested by the VoIP provider.

3: Acctually both 1+2

4: Using siproxd. Where I only configured the rtp ports according to 1.

In the cases 1,2,3 I was able to make a call to an external phone. But when I receive a call the incoming voice was missing. (Outgoing voice was working). Here I got some filter logs of dripped packages on ports in the 8500-8550 range, pointing to rule nr 2. I did not fully understand the reson for that. Any suggestions?

In configuration 4. I was able to initiate an outgoing call but there was no incomming voice. Incomming calls could not be setup.

I'm puzzeled. Any sugggestions are more than welcome.

BR
/Tomas