[SR-Users] Nat issue

[eyas barhouk]

hello dears

when i'm using kamailio 5.2 as IMS i'm facing the following NAT issue :

  *   when p-cscf handle a call from user1 to user2 that pre-registered on private address "192.X.X.X" (on another LAN) the user can't receive the invite message .

in another word:
proxy ip : 10.192.X.X
user1 ip : 10.X.X.X
user2 ip : 192.X.X.X
the call scenario : user1 ---invite----> user2 (not arrived)

  *   when p-cscf handle a call from user2 that pre-registered on private IP "192.X.X.X" (on another LAN) to  user1 the user receive the invite message  .

the call scenario : user2 ---invite----> user1 (arrived)

  *   when both of the user on different LANs the message 200 OK doesn't arrive to proxy :\

so based on that does any one has an experiment with NAT handling & nathelper module and how to configure it on P-cscf .

thanks in advance
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