[Serusers] SER and NAT

[Tjapko ITS Consult@ncy]

Hello List,

In my fierce battle to overcome the NAT problem I have now running SER and
Mediaproxy without any problem. Whenever any Nated EP like to call to PSTN
or a non nated EP the call goes ok. Whenever I try to call from a non nated
EP to a NATed EP the call does not go through.

It seems like that the destination address is not known by mediaproxy so it
can't forward the call to the correct EP.

My question is whether this problem might be caused by my ser.cfg or that
this is typical SIP behaviour.

In other words is it possible to call to any EP that is behind Symmetric
NAT.

Kindest Regards,

Tjapko Smits
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