25 Jan
2006
25 Jan
'06
5:53 a.m.
Hello Olivier
See http://www.iptel.org/ser/doc/modules/html/nathelper.html#AEN59
Try using Nat Ping in nethelper module. By default, it is disabled.
If we don't ping NATed UAs from SER, NAT device (ADSL modem, Cable modem, other CPE)
will block all SIP messages when the NAT entry for port 5060 expired.
Most of the UAs use registration period (refresh frequency) too long, eg. 1 hour. That
also the cause for not to refresh the NAT entry.
Hope it help
Brgds
Hoa Thai Duy
-----Original Message-----
From: serusers-bounces(a)iptel.org [mailto:serusers-bounces@lists.iptel.org] On
Behalf Of Olivier Taylor
Sent: Tuesday, January 24, 2006 2:39 PM
To: 'seruser'
Subject: [Serusers] rtpproxy
Hi all,
I have a ser(0.9.4/Freebsd) server well working, but in some cases, I have
a
strang behavior. I use rtpproxy for nat traversal,all my users can call
pstn, but when we try to call one of our users from internal or from pstn,
Ser sends many invites and callee never answer to these invite. I must
conclude that they don't receive it... All the users having that problems
are under a nated network.
Any idea ?
Olivier
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