Using spandsp-0.0.6-pre17, SendFax on 1.6.1.18 and ReceiveFax on 1.6.2.8. Sip.conf on both sides has t38pt_udptl = yes.
-- Executing [...@fax-tx-test:3] SendFAX("SIP/side-sip-00000009", "/var/spool/asterisk/fax/20091113_1455.tif") in new stack [Mar 20 17:05:34] WARNING[6433]: app_fax.c:178 phase_e_handler: Error transmitting fax. result=49: The call dropped prematurely. [Mar 20 17:05:34] WARNING[6433]: app_fax.c:772 transmit: Transmission failed -- Executing [...@fax-tx-test:4] Hangup("SIP/side-sip-00000009", "") in new stack == Spawn extension (fax-tx-test, s, 4) exited non-zero on 'SIP/side-sip-00000009' -- Executing [...@fax-tx-test:1] NoOp("SIP/side-sip-00000009", "FAXSTATUS: FAILED FAXERROR: The call dropped prematurely FAXMODE: T38") On the receive side: -- Executing [...@incoming-fax:2] ReceiveFAX("SIP/side-sip-00000002", "/var/spool/asterisk/fax/20100320_1705.tif") in new stack [Mar 20 17:05:34] WARNING[21512]: app_fax.c:223 phase_e_handler: Error transmitting fax. result=48: Disconnected after permitted retries. [Mar 20 17:05:34] WARNING[21512]: app_fax.c:820 transmit: Transmission failed -- Executing [...@incoming-fax:3] Hangup("SIP/side-sip-00000002", "") in new stack FAXSTATUS: FAILED FAXERROR: Disconnected after permitted retries FAXMODE: T38") Sip audio calls work fine over side-sip. Any suggestions welcome. sean -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users