[asterisk-dev] [T.38 gateway] [irroot t38gateway-1.8 branch] I can receive faxes with t38 gateway, but send fails

[Kevin P. Fleming]

On 04/13/2012 04:44 PM, Niccolò Belli wrote:
> With 10.4.0-rc1 it does work. Here is the console output when I try to
> send a fax with 10.4.0-rc1:
>
> -- SIP/eutelia-00000001 is making progress passing it to DAHDI/11-1
> -- SIP/eutelia-00000001 answered DAHDI/11-1
> -- Channel 11 echo canceler disabled its NLP.
> -- Channel 11 detected a CED tone towards the network.
> == Using UDPTL CoS mark 5
> [Apr 13 22:55:51] WARNING[1295]: chan_sip.c:8910
> get_ip_and_port_from_sdp: Failed to read an alternate host or port in
> SDP. Expect audio problems
> [Apr 13 22:55:51] WARNING[1295]: chan_sip.c:22986 handle_request_invite:
> Failed to set an alternate media source on glared reinvite. Audio may
> not work properly on this call.
> [Apr 13 22:55:51] WARNING[1295]: chan_sip.c:20987
> handle_response_invite: just did sched_add waitid(62) for
> sip_reinvite_retry for dialog
> 480eb0ad292925ed000a47a65607f6bd@<my_ip>:5060 in handle_response_invite
> [Apr 13 22:55:51] ERROR[1326]: astobj2.c:110 INTERNAL_OBJ: user_data is
> NULL
> [Apr 13 22:55:51] WARNING[1326]: channel.c:5010 ast_write: Codec
> mismatch on channel DAHDI/11-1 setting write format to slin from alaw
> native formats (alaw)
> [Apr 13 22:55:54] WARNING[1326]: channel.c:5010 ast_write: Codec
> mismatch on channel DAHDI/11-1 setting write format to slin from alaw
> native formats (alaw)
> == Spawn extension (faxes, <number>, 2) exited non-zero on 'DAHDI/11-1'
> -- Hanging up on 'DAHDI/11-1'
> -- Hungup 'DAHDI/11-1'
>
>
>
>
>
> This is the log with 1.8.11:
>
> -- SIP/eutelia-00000001 is making progress passing it to DAHDI/11-1
> -- SIP/eutelia-00000001 answered DAHDI/11-1
> -- Channel 11 echo canceler disabled its NLP.
> -- Channel 11 detected a CED tone towards the network.
> [Apr 13 23:40:49] NOTICE[1572]: channel.c:4152 __ast_read: Dropping
> incompatible voice frame on SIP/eutelia-00000001 of format slin since
> our native format has changed to 0x8 (alaw)
> == Using UDPTL CoS mark 5
> [Apr 13 23:40:50] ERROR[1572]: astobj2.c:110 INTERNAL_OBJ: user_data is
> NULL
> [Apr 13 23:40:50] WARNING[1572]: channel.c:4913 ast_write: Codec
> mismatch on channel DAHDI/11-1 setting write format to slin from alaw
> native formats 0x8 (alaw)
> == Spawn extension (faxes, <number>, 2) exited non-zero on 'DAHDI/11-1'
> -- Hanging up on 'DAHDI/11-1'
> -- Hungup 'DAHDI/11-1'
>
>
>
>
>
> Is it possible to backport a fix to 1.8 irroot's branch? I'd like to use
> T.38 gateway in production...

Of course it's possible, it's software, software can be changed. 
However, since nobody is maintaining that branch any longer, it seems 
unlikely that it will happen.

-- 
Kevin P. Fleming
Digium, Inc. | Director of Software Technologies
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