11 May
2016
11 May
'16
6:33 a.m.
On Wed, May 11, 2016 at 10:16:43AM +0200, Sébastien Brice wrote:
Hi guys i did the "running skype-like service in
less than one hour" and got it running ok.
Kamailio run remotely in a datacenter.
but i am trying to get the communication working locally between two devices behind the
same NAT.
I know the #!define WITH_NAT shoud get the call working bidirectionnaly but that is not
the case, I've got one way dial every time i'm attempting call !
running a network capture (please find attached to this email )reveal rtp does not flow
correctly:
the device A 192.168.3.33 send RTP straight to device B 192.168.3.98 ---> OK
device B does not behave like that, rather to talk to A (192.168.3.33) it sends
RTprotocol to the public_ip of my internet box (refered as public_ip red text in my .png
capture)
and the WAN leg of my box answers ICMP 242 Destination unreachable (port unreachable)
So comes blind communicatios.
But that is not supposely act like that, right ?
Offcourse not.
An image isn't enough to debug. Most likely you nat detect/manage don't
trigger correctly. First step might be to invoke the rtpproxy/engine for
all calls.