11 Aug
2018
11 Aug
'18
1:54 a.m.
Hello eyas,
The NAT issue in IMS (and VoIP) solution networks, is affected to
user-plan (e.g Voice) only. In this regards, you maybe have no-way
audio or one-way audio.
As you mentions, Your isuue is in control-plan (signalling in IMS),
Then it is not regards of NAT issue.
Please check your network again. also check mediation devices between
p-cscf and user2's device, so that why the user2 doesn’t receive
INVITE signalling.
Do you could use Multi-Homed in p-cscf or not?
With Regards.Mojtaba
On Thu, Aug 9, 2018 at 1:11 AM, eyas barhouk <eyas37(a)hotmail.com> wrote:
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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--
--Mojtaba Esfandiari.S