[asterisk-users] No valid transports available, falling back to 'udp'.

[Michael L. Young]

----- Original Message -----

> From: "David C Klaverstyn" <David.Klaverstyn at intergraph.com>
> To: "Asterisk Users Mailing List - Non-Commercial Discussion"
> <asterisk-users at lists.digium.com>
> Sent: Sunday, February 12, 2012 7:02:15 PM
> Subject: [asterisk-users] No valid transports available, falling back
> to 'udp'.

> Hi All,

> I just installed Asterisk 10.1.1 and on sip reload I see the
> following two errors.

> WARNING[3665]: chan_sip.c:29242 reload_config: No valid transports
> available, falling back to 'udp'.
> == Using SIP CoS mark 4
> WARNING[3665]: chan_sip.c:27839 build_peer: 'tcp' is not a valid
> transport type when tcpenabled=no. If no other is specified, the
> defaults from general will be used.

> I don’t understand this as I have in sip.conf
> udpbindaddr=0.0.0.0

> I’ve also tried
> udpbindaddr=192.168.13.7
> and
> udpbindaddr=192.168.13.7:5060

> with the same results.

> Is there another setting that I am missing. I have not made any
> changes to the default file settings, well none that I remember.

This WARNING message is letting you know that TCP is not available as a transport. So, it is falling back to UDP as the transport. Unless you are trying to use TCP, it is a harmless message. 

The message should probably be changed or only displayed when a particular setting is enabled since, as it is, it is a bit misleading. If you don't care to use TCP and have it disabled in the configuration file, you shouldn't be alerted to the fact that Asterisk is unable to use TCP. 

Feel free to open up an issue as Paul directed in his prior message. 

Regards, 

Michael Young 
(elguero) 
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