On 02/03/2011 07:30 PM, Marcello Colucci (SIRIO Informatica s.a.s.) wrote:
Hi, I have asterisk 1.6.2.6 on a Debian Lenny system.
The current version is 1.6.2.16.1, and 1.6.2.17 is on the way (in release candidate mode). Is there some reason why you are running an old release?
When I try to send a fax in T.38 mode I receive this error ERROR[15035]: res_fax.c:795 set_fax_t38_caps: channel 'SIP/eutelia-sirio-out-00000000' is in an unsupported T.38 negotiation state, cannot continue.
You have not reported the version of res_fax and res_fax_digium that you are using.
Given that your Asterisk version is quite old (nearly a year) and you may not be running the last FAX modules either, any attempt to help you out would be just guessing... because you could easily be experiencing a problem that has already been fixed. There have been many fixes to T.38 negotiation in Asterisk since March of 2010.
If I had to guess, though, I would think that that receiver of this call has sent your system a T.38 re-INVITE before you started SendFAX running. If that is the case, this problem has already been solved and upgrading will take care of it.
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