Hi
The alg just change the ip from private to public when sending the register
request
But it doesn't change it back to private on the ok response it sends to the
device
The ok response contains the contact header but with the public ip
Device to network(router)
REGISTER
Contact:
Hi;
During a deployment with a service provider I come across several home based
routers that the SIP-ALG implementation is wrong.
the router changes the Contact IP address from the private to the public during
a REGISTER request, but do not change it back to the private address when
sending
