[asterisk-users] Unknown problem sending outbound fax

[Tech Support]

All;

    I'm having a problem sending an outbound fax using Asterisk-1.8.15-cert3
and the spandsp fax module using a SIP trunk. I'm seeing hundreds of these:

 

ERROR[14423]: udptl.c:294 encode_open_type: UDPTL
(SIP/runcentral_outbound-00000074): Buffer overflow detected (59 + 134 >
175)

 

Has anyone ever seen this before? I have the following configuration.

 

udptl.conf:

[general]

udptlstart = 4000

udptlend = 4999

udptlfecentries = 3

udptlfecspan = 3

use_even_ports = no

T38FaxUdpEC = t38UDPFEC

udptlchecksums = no

 

sip.conf:

faxdetect=yes

t38pt_rtp=no 

t38pt_tcp=no

t38pt_udptl=yes,fec

t38pt_usertpsource=yes

 

Any help at all would be greatly appreciated.

Thanks;

John

Tech Support

Tech Support

VoIP Business Solutions

240-215-3479

 <mailto:fsd at voipbusiness.us> support at voipbusiness.us

 

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