Hi all! FreeTDM does not work with Digium equipment. Equipment: Digium TE121 OS: CentOS 5.6 DAHDI: 2.4.1.2 # ./dahdi_scan [1] active=yes alarms=OK description=Wildcard TE121 Card 0 name=WCT1/0 manufacturer=Digium devicetype=Wildcard TE121 (VPMADT032) location=PCI Bus 04 Slot 09 basechan=1 totchans=31 irq=5 type=digital-E1 syncsrc=1 lbo=0 db (CSU)/0-133 feet (DSX-1) coding_opts=AMI,HDB3 framing_opts=CCS,CRC4 coding=HDB3 framing=CCS LIBPRI: 1.4.11.5 zt.conf [defaults] codec_ms => 20 wink_ms => 150 flash_ms => 750 echo_cancel_level => 64 rxgain => 0.0 txgain => 0.0 freetdm.conf [span zt pri] name => pri trunk_type => E1 group => e1group b-channel => 1-15 b-channel => 17-31 d-channel => 16 part of freetdm.conf.xml: <libpri_spans> <span id="1" name="pri"> <param name="node" value="network"/> <param name="switch" value="4ess"/> <param name="l1" value="alaw"/> <param name="dp" value="unknown"/> <param name="debug" value="q931_all"/> <param name="dialplan" value="XML"/> <param name="context" value="default"/> </span> </libpri_spans> and log result (important parts): start freetdm: 2011-06-09 02:07:00.591482 [DEBUG] ftdm_config.c:52 New mod directory: /usr/local/freeswitch/mod 2011-06-09 02:07:00.591492 [DEBUG] ftdm_config.c:58 New config directory: /usr/local/freeswitch/conf 2011-06-09 02:07:00.591539 [DEBUG] ftdm_sched.c:154 Initializing scheduling API 2011-06-09 02:07:00.591545 [DEBUG] ftdm_sched.c:251 Created schedule freetdm-master 2011-06-09 02:07:00.591551 [NOTICE] ftdm_sched.c:178 Launching main schedule thread 2011-06-09 02:07:00.591581 [DEBUG] ftdm_sched.c:187 Running schedule freetdm-master in the main schedule thread 2011-06-09 02:07:00.591592 [DEBUG] ftdm_config.c:80 Configuration file is /usr/local/freeswitch/conf/modules.conf. 2011-06-09 02:07:00.591639 [NOTICE] ftdm_io.c:5656 Modules configured: 1 2011-06-09 02:07:00.591645 [DEBUG] ftdm_config.c:80 Configuration file is /usr/local/freeswitch/conf/freetdm.conf. 2011-06-09 02:07:00.591659 [DEBUG] ftdm_io.c:4595 Reading FreeTDM configuration file 2011-06-09 02:07:00.591679 [DEBUG] ftdm_io.c:4611 found config for span 2011-06-09 02:07:00.591783 [NOTICE] ftmod_zt.c:1300 Using DAHDI control device 2011-06-09 02:07:00.591794 [INFO] ftdm_io.c:4898 Loading IO from /usr/local/freeswitch/mod/ftmod_zt.so [zt] 2011-06-09 02:07:00.591814 [DEBUG] ftdm_config.c:80 Configuration file is /usr/local/freeswitch/conf/zt.conf. 2011-06-09 02:07:00.591840 [INFO] ftmod_zt.c:577 Setting rxgain val to 0.000000 2011-06-09 02:07:00.591846 [INFO] ftmod_zt.c:585 Setting txgain val to 0.000000 2011-06-09 02:07:00.591860 [INFO] ftdm_io.c:790 Auto-loaded I/O module 'zt' 2011-06-09 02:07:00.591885 [DEBUG] ftdm_io.c:4625 created span 1 (pri) of type zt 2011-06-09 02:07:00.591890 [DEBUG] ftdm_io.c:4641 span 1 [name]=[pri] 2011-06-09 02:07:00.591896 [DEBUG] ftdm_io.c:4641 span 1 [trunk_type]=[E1] 2011-06-09 02:07:00.591902 [DEBUG] ftdm_io.c:4646 setting trunk type to 'E1' 2011-06-09 02:07:00.591907 [DEBUG] ftdm_io.c:4641 span 1 [group]=[e1group] 2011-06-09 02:07:00.591912 [DEBUG] ftdm_io.c:4641 span 1 [b-channel]=[1-15] 2011-06-09 02:07:00.591940 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 1 as FreeTDM device 1:1 fd:25 2011-06-09 02:07:00.591963 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 2 as FreeTDM device 1:2 fd:26 2011-06-09 02:07:00.591984 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 3 as FreeTDM device 1:3 fd:27 2011-06-09 02:07:00.592006 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 4 as FreeTDM device 1:4 fd:28 2011-06-09 02:07:00.592029 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 5 as FreeTDM device 1:5 fd:29 2011-06-09 02:07:00.592049 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 6 as FreeTDM device 1:6 fd:30 2011-06-09 02:07:00.592069 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 7 as FreeTDM device 1:7 fd:31 2011-06-09 02:07:00.592090 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 8 as FreeTDM device 1:8 fd:32 2011-06-09 02:07:00.592110 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 9 as FreeTDM device 1:9 fd:33 2011-06-09 02:07:00.592131 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 10 as FreeTDM device 1:10 fd:34 2011-06-09 02:07:00.592151 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 11 as FreeTDM device 1:11 fd:35 2011-06-09 02:07:00.592171 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 12 as FreeTDM device 1:12 fd:36 2011-06-09 02:07:00.592192 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 13 as FreeTDM device 1:13 fd:37 2011-06-09 02:07:00.592212 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 14 as FreeTDM device 1:14 fd:38 2011-06-09 02:07:00.592231 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 15 as FreeTDM device 1:15 fd:39 2011-06-09 02:07:00.592239 [DEBUG] ftdm_io.c:5200 Creating new group:e1group 2011-06-09 02:07:00.592275 [DEBUG] ftdm_io.c:4641 span 1 [b-channel]=[17-31] 2011-06-09 02:07:00.592299 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 17 as FreeTDM device 1:16 fd:40 2011-06-09 02:07:00.592323 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 18 as FreeTDM device 1:17 fd:41 2011-06-09 02:07:00.592348 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 19 as FreeTDM device 1:18 fd:42 2011-06-09 02:07:00.592369 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 20 as FreeTDM device 1:19 fd:43 2011-06-09 02:07:00.592390 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 21 as FreeTDM device 1:20 fd:44 2011-06-09 02:07:00.592422 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 22 as FreeTDM device 1:21 fd:45 2011-06-09 02:07:00.592442 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 23 as FreeTDM device 1:22 fd:46 2011-06-09 02:07:00.592462 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 24 as FreeTDM device 1:23 fd:47 2011-06-09 02:07:00.592486 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 25 as FreeTDM device 1:24 fd:48 2011-06-09 02:07:00.592510 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 26 as FreeTDM device 1:25 fd:49 2011-06-09 02:07:00.592531 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 27 as FreeTDM device 1:26 fd:50 2011-06-09 02:07:00.592558 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 28 as FreeTDM device 1:27 fd:51 2011-06-09 02:07:00.592584 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 29 as FreeTDM device 1:28 fd:52 2011-06-09 02:07:00.592609 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 30 as FreeTDM device 1:29 fd:53 2011-06-09 02:07:00.592628 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 31 as FreeTDM device 1:30 fd:54 2011-06-09 02:07:00.592654 [DEBUG] ftdm_io.c:4641 span 1 [d-channel]=[16] 2011-06-09 02:07:00.592692 [INFO] ftmod_zt.c:396 configuring device /dev/dahdi/channel channel 16 as FreeTDM device 1:31 fd:55 2011-06-09 02:07:00.592712 [INFO] ftdm_io.c:4823 Configured 31 channel(s) 2011-06-09 02:07:00.593269 [INFO] ftdm_io.c:4898 Loading IO from /usr/local/freeswitch/mod/ftmod_libpri.so [libpri] 2011-06-09 02:07:00.593283 [DEBUG] ftdm_io.c:4839 Module libpri does not support configuration. 2011-06-09 02:07:00.593287 [INFO] ftdm_io.c:4910 Loading SIG from /usr/local/freeswitch/mod/ftmod_libpri.so 2011-06-09 02:07:00.593292 [INFO] ftdm_io.c:5133 auto-loaded 'libpri' 2011-06-09 02:07:00.593302 [NOTICE] ftmod_libpri.c:1981 Setting default Layer 1 to ALAW since this is an E1/BRI/BRI PTMP trunk 2011-06-09 02:07:00.593566 [DEBUG] ftmod_libpri.c:1629 opening D-Channel #0 1:31 2011-06-09 02:07:00.596450 [NOTICE] switch_loadable_module.c:145 Adding Endpoint 'freetdm' 2011-06-09 02:07:00.596481 [NOTICE] switch_loadable_module.c:252 Adding Application 'disable_ec' 2011-06-09 02:07:00.596510 [NOTICE] switch_loadable_module.c:252 Adding Application 'disable_dtmf' 2011-06-09 02:07:00.596530 [NOTICE] switch_loadable_module.c:252 Adding Application 'enable_dtmf' 2011-06-09 02:07:00.596552 [NOTICE] switch_loadable_module.c:274 Adding API Function 'ftdm' 2011-06-09 02:07:00.618807 [DEBUG] ftmod_libpri.c:1586 -- Caught Event span 1 4 (CONFIG_ERR) 2011-06-09 02:07:00.622776 [NOTICE] switch_loadable_module.c:274 Adding API Function 'acl' ...later: 2011-06-09 02:07:01.693551 [DEBUG] ftmod_libpri.c:1586 -- Caught Event span 1 4 (CONFIG_ERR) 2011-06-09 02:07:02.773590 [DEBUG] ftmod_libpri.c:1586 -- Caught Event span 1 4 (CONFIG_ERR) 2011-06-09 02:07:03.833629 [DEBUG] ftmod_libpri.c:1586 -- Caught Event span 1 4 (CONFIG_ERR) 2011-06-09 02:07:04.893667 [DEBUG] ftmod_libpri.c:146 TEI=0 DL event: Q931_DL_EVENT_DL_RELEASE_IND(3) 2011-06-09 02:07:05.962709 [DEBUG] ftmod_libpri.c:1586 -- Caught Event span 1 4 (CONFIG_ERR) 2011-06-09 02:07:07.982780 [DEBUG] ftmod_libpri.c:1586 -- Caught Event span 1 4 (CONFIG_ERR) 2011-06-09 02:07:10.002854 [DEBUG] ftmod_libpri.c:1586 -- Caught Event span 1 4 (CONFIG_ERR) ... making a call: ... Dialplan: sofia/internal/1000@192.168.200.11 Action bridge(freetdm/e1group/1/12345) Dialplan: sofia/internal/1000@192.168.200.11 Action answer() 2011-06-09 02:10:27.343089 [DEBUG] mod_dptools.c:1063 sofia/internal/ 1000@192.168.200.11 SET [RFC2822_DATE]=[Thu, 09 Jun 2011 02:10:27 +0600] EXECUTE sofia/internal/1000@192.168.200.11 bridge(freetdm/e1group/1/12345) 2011-06-09 02:10:27.343089 [DEBUG] switch_ivr_originate.c:1869 Parsing global variables 2011-06-09 02:10:27.343089 [NOTICE] mod_freetdm.c:1551 Close Channel N/A [CS_NEW] 2011-06-09 02:10:27.343089 [DEBUG] switch_core_state_machine.c:457 () Running State Change CS_DESTROY 2011-06-09 02:10:27.343089 [DEBUG] switch_core_state_machine.c:467 (N/A) State DESTROY 2011-06-09 02:10:27.343089 [DEBUG] switch_core_state_machine.c:467 (N/A) State DESTROY going to sleep 2011-06-09 02:10:27.343089 [ERR] switch_ivr_originate.c:2443 Cannot create outgoing channel of type [freetdm] cause: [NORMAL_CIRCUIT_CONGESTION] 2011-06-09 02:10:27.343089 [DEBUG] switch_ivr_originate.c:3296 Originate Resulted in Error Cause: 34 [NORMAL_CIRCUIT_CONGESTION] Why? Which means error: Caught Event span 1 4 (CONFIG_ERR) Which config???