Hello all,
I'm trying to use the sip phone to communicate with external world.
Scenario is I'm behind the firewall and I need to get a global ip from
the NAT, to do that.
Scenario
--------
private IP address range :
10.0.0.x :
:
: xxx.org
+-------------+ +-----------+ +-------------+
! !.10 ! NAT / ! publicIP ! !
! IntHost !-----------! Firewall !----------->>! externalHost!
! ! eth0 ! ! ppp0 ! !
+-------------+ +-----------+ +-------------+
user: x : user: test
:
:
My problem is, How will the UA connected in IntHost, gets the publicIP from
NAT?
what kind of query it should send to NAT..? Once the UA knows the PublicIP
only
it can update the sdp params and contact fields with PublicIP values (before
it
sends packet to proxy). whether my approach is correct or not? How to do
this?
Kind Regards,
Santhosh.S
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