[asterisk-users] T38 faxing - UDPTL creation failed

[Danny Nicholas]

Agreed - I think the "solution" is a patch to udptl.c to reset the counter
instead of dying with this message (just my opinion).

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of "????????"
Sent: Thursday, February 02, 2012 1:55 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] T38 faxing - UDPTL creation failed

well...I did so to avoid that lock again...but this is not solution...

> Maybe you should change your values in udptl.conf?   By default the range
> is
> 4000 to 4099, but is effectively 4001 to 4099 because the protocol 
> doesn't use even numbers by default, so it runs out of entries in 500
tries.
>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of "????????"
> Sent: Thursday, February 02, 2012 1:35 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [asterisk-users] T38 faxing - UDPTL creation failed
>
> Good question.
> I can't simulate it right now so I will try it today or so...But I'm 
> not expecting, that it help, because I tried couple of ways before and 
> restart was the only way.
>
> But thanks anyway. Any other ideas?
>
>
>> What happens if you do a "SIP RELOAD" instead of restarting Asterisk?
>>
>> -----Original Message-----
>> From: asterisk-users-bounces at lists.digium.com
>> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of "????????"
>> Sent: Thursday, February 02, 2012 1:14 PM
>> To: asterisk-users at lists.digium.com
>> Subject: [asterisk-users] T38 faxing - UDPTL creation failed
>>
>> Hello guys.
>>
>> When I am trying to send fax through T38 to linksys SPA (properly 
>> configured etc. - I have tried it with other systems), I'm getting 
>> error and fax is not delivered.
>>
>> I'm getting this errors in asterisk.log:
>> WARNING[687] udptl.c: No UDPTL ports remaining ERROR[687] chan_sip.c:
>> UDPTL
>> creation failed WARNING[687] udptl.c: No UDPTL ports remaining
>>
>> then, couple lines down:
>> WARNING[3514] chan_sip.c: Unsupported SDP media type in offer: image
>> 16400 udptl t38 WARNING[3514] chan_sip.c: Failing due to no 
>> acceptable offer found
>>
>> sip_general_custom.conf contains t38pt_udptl=yes
>>
>> udptl.conf contains:
>> [general]
>> udptlstart=4000
>> udptlend=4999
>> T38FaxUdpEC = t38UDPRedundancy
>>
>> Asterisk version is 1.8.5.0
>>
>> When I restart asterisk, everything is working good. Then, after some 
>> time, fax stop working.
>> Do you have any idea what it could be?
>>
>> Thanks in advance.
>>
>>
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>
>
>
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