*set_forward_no_connect()* called after lookup() prevents kamailio from
making a new connection to a phone if there is no active connection.
This is useful when you are trying to call to a UA which kamailio still
keeps registration record for, but TCP/TLS connect to this phone is
already gone (due to timeout, network problem, etc...).
On 05/05/15 14:54, Mickael Marrache wrote:
In general, it happens in our network (as more and more Via headers
are added).
Sorry, I didn't understand your last sentence. What do you mean by not
connect if there is no active connection after location lookup?
*From:*sr-users [mailto:sr-users-bounces@lists.sip-router.org] *On
Behalf Of *Daniel-Constantin Mierla
*Sent:* Monday, May 04, 2015 11:07 PM
*To:* Kamailio (SER) - Users Mailing List
*Subject:* Re: [SR-Users] Recommended configuration for TCP support
Hello,
where are typically those issues with truncated SDP? On the phones?
If you use tcp and have phones behind the nat, it is recommended to
not connect if there is no active connection after location lookup --
see core functions for tcp.
Cheers,
Daniel
On 04/05/15 13:54, Mickael Marrache wrote:
Hi,
We sometimes get issues caused by truncated SDP bodies. Therefore,
we are looking at using TCP instead of UDP.
What is the recommended configuration when TCP is used?
Currently, I only have the following:
children=16
listen=udp:<ip>:5060
listen=tcp:<ip>:5060
disable_tcp=no
tcp_connection_lifetime=605 (registration expiry is 600)
Also, is there a difference with UDP regarding NAT handling?
Thanks,
Mickael
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Kamailio World Conference, May 27-29, 2015
Berlin, Germany -http://www.kamailioworld.com
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