[Freeswitch-users] How to enforce freeswitch replying to the source port instead of to the one specified in v/m header parametes (Symmetric NAT)

Hi, I am struggling with a cellular operator which removes the rport from the SIP messages sent by the client. During the troubleshooting process I have been playing with the NDLB parameters I found mentioned at the fs-wiki param name=NDLB-force-rport value=true/ param

Re: [Freeswitch-users] How to enforce freeswitch replying to the source port instead of to the one specified in v/m header parametes (Symmetric NAT)

This is what force-rport is supposed to do. That being said, I can't tell from your trace where it is actually going to, just what it says in the packet, which can be different. Mike On Oct 19, 2009, at 3:23 AM, Tzury Bar Yochay wrote: Hi, I am struggling with a cellular operator which