[asterisk-users] asterisk 13.16 / pjsip / t.38: res_pjsip_t38.c:207 t38_automatic_reject: Automatically rejecting T.38 request on channel 'PJSIP/91-00000007'

[Michael Maier]

On 06/05/2017 at 06:29 PM, Joshua Colp wrote:
> On Mon, Jun 5, 2017, at 01:22 PM, Michael Maier wrote:
>>
>> Do you have any idea where to start to look at? Adding additional output
>> in the source code? Which functions could be interesting? I may add own
>> debug code to see why things are happening as they happen here.
> 
> The logic for T.38 negotiation lives all in the res_pjsip_t38 module and
> the request to negotiate works using a control frame which is handled by
> the t38_interpret_parameters function. It's up to that to initialize
> things and then request that a session refresh occurs (which sends the
> re-invite). That'd be the place to look.

I added a debug output at the beginning of the function to see if it's ever 
been called.

t38_interpret_parameters is never been called ... .


[2017-06-05 20:52:21] DEBUG[719]: res_pjsip_t38.c:772 create_outgoing_sdp_stream: Not creating outgoing SDP stream: T.38 not enabled
[2017-06-05 20:52:22] DEBUG[719]: res_pjsip_t38.c:772 create_outgoing_sdp_stream: Not creating outgoing SDP stream: T.38 not enabled
[2017-06-05 20:52:22] DEBUG[719]: res_pjsip_t38.c:768 create_outgoing_sdp_stream: Not creating outgoing SDP stream: T.38 not enabled
[2017-06-05 20:52:23] DEBUG[719]: res_pjsip_t38.c:772 create_outgoing_sdp_stream: Not creating outgoing SDP stream: T.38 not enabled
[2017-06-05 20:52:23] DEBUG[921]: res_pjsip_t38.c:772 create_outgoing_sdp_stream: Not creating outgoing SDP stream: T.38 not enabled
[2017-06-05 20:52:24] DEBUG[719]: res_pjsip_t38.c:268 t38_initialize_session: UDPTL initialized on session for PJSIP/91-00000003
[2017-06-05 20:52:24] DEBUG[719]: res_pjsip_t38.c:138 t38_change_state: T.38 state changed to '2' from '0' on channel 'PJSIP/91-00000003'
[2017-06-05 20:52:24] DEBUG[719]: res_pjsip_t38.c:696 defer_incoming_sdp_stream: Deferring incoming SDP stream on PJSIP/91-00000003 for peer re-invite
[2017-06-05 20:52:29] DEBUG[719]: res_pjsip_t38.c:207 t38_automatic_reject: Automatically rejecting T.38 request on channel 'PJSIP/91-00000003'
[2017-06-05 20:52:29] DEBUG[719]: res_pjsip_t38.c:138 t38_change_state: T.38 state changed to '4' from '2' on channel 'PJSIP/91-00000003'
[2017-06-05 20:52:29] DEBUG[719]: res_pjsip_t38.c:721 negotiate_incoming_sdp_stream: Declining; T.38 state is rejected or declined
[2017-06-05 20:52:29] DEBUG[719]: res_pjsip_t38.c:138 t38_change_state: T.38 state changed to '0' from '4' on channel 'PJSIP/91-00000003'
[2017-06-05 20:52:29] DEBUG[719]: res_pjsip_t38.c:772 create_outgoing_sdp_stream: Not creating outgoing SDP stream: T.38 not enabled



Thanks,
regards,
Michael