19 Nov
2006
19 Nov
'06
4:55 p.m.
Your OptiPoint might not add the "rport" Via parameter (unfortunately,
your net trace is not too relevant), probably unlike your other Snom and
Xlite clients.
In this case, check if you have a "force_rport();" statement in you SER
cfg. See a NAT handling SER sample script otherwise, for how to add it,
if missing; or try tune the UA to add it, at least in REGISTERs.
Hth,
Bogdan.
hiSIPatH wrote:
Hi Michal,
Thx for the reply. It seems that there isn't such an option in the
OptiPoint.
But to be honest i am a little confused, because i am able to register
my OptiPoint. So NAT seems to work with the REGISTER but doesn't with
the INVITE.
On 11/16/06, Michal Matyska <michal(a)iptel.org> wrote:
--
Bogdan Pintea
iptego GmbH - VoIP Security
http://www.iptego.de
Check whether there is configuration option
"symetric signalling" (e.g.
use the same port for sending requests and receiveng replies) in your
OptiPoint UEa and check that to be used.
The asymetric signaling does not work when the UE is behind NAT, the
port is not open for replies.
The same applies to RTP streams, you have to setup the RTP to be
symetric.
Michal
On Thu, 2006-11-16 at 13:19 +0100, hiSIPatH wrote:
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Hi all,
i have a ser setup (CentOS 4.4/ser 0.9.6) with several ip phones
(SNOM320 and Xlite30) and every thing seems to work fine. The ser
server has a public ip address 89.xxx.xxx.xxx and the ua are behind a
NAT device (corporate FW).
I want now to add some OptiPoint420 SIP but was unable to get them
working. That means that the registration is ok and calls to the
Optipoints from other ua (xlite or Snom) work but i was unable to
place a call from Optipoint to other ua.
In the trace you can notice that the INVITE is sent to ser with Src
Port 38625 and Dst Port 5060. But the response from ser is sent to Src
Port: 5060 (5060), Dst Port: 5060 (5060). The result is of couse ICMP
Destination unreachable (Port unreachable).
I have rtp proxy and ser running on the same server and my ser.cfg
looks like the one from the SER GettingStarted
http://siprouter.onsip.org/doc/gettingstarted/ch08s02.html). I read
the doc about "handling of NAT using RTP Proxy" but was unable to
change the config to get this scenario with OptiPoint working. Has
anyone managed to get OptiPoint to work with ser?
thx in advance?
No. Time Source Destination
Protocol Info
14 8.907171 89.xxx.xxx.xxx
89.xxx.xxx.xxx
SIP/SDP Request: INVITE
sip:8001@registrar.mydomaine.com;transport=udp, with session
description
Frame 14 (972 bytes on wire, 972 bytes captured)
Ethernet II, Src: AminoCom_02:02:02 (00:02:02:02:02:02), Dst:
AcerTech_9c:00:8d (00:00:e2:9c:00:8d)
Internet Protocol, Src: 89.xxx.xxx.xxx (89.xxx.xxx.xxx), Dst:
89.xxx.xxx.xxx (89.xxx.xxx.xxx)
User Datagram Protocol, Src Port: 38625 (38625), Dst Port: 5060 (5060)
Session Initiation Protocol
No. Time Source Destination
Protocol Info
15 8.907394 89.xxx.xxx.xxx
89.xxx.xxx.xxx SIP
Status: 407 Proxy Authentication Required
Frame 15 (772 bytes on wire, 772 bytes captured)
Ethernet II, Src: AcerTech_9c:00:8d (00:00:e2:9c:00:8d), Dst:
AminoCom_02:02:02 (00:02:02:02:02:02)
Internet Protocol, Src: 89.xxx.xxx.xxx (89.xxx.xxx.xxx), Dst:
89.xxx.xxx.xxx (89.xxx.xxx.xxx)
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5060 (5060)
Session Initiation Protocol
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