billsec showing record

015-05-18 23:06:07.708973 [INFO] ftmod_sangoma_isdn_stack_rcv.c:96 [s1c17][1:18] Received SETUP (suId:1 suInstId:0 spInstId:73)
2015-05-18 23:06:07.708973 [INFO] ftmod_sangoma_isdn_stack_hndl.c:153 [s1c17][1:18] Incoming call: Called No:[016] Calling No:[4273939336]
2015-05-18 23:06:07.708973 [NOTICE] switch_channel.c:1030 New Channel FreeTDM/1:17/016 [5dad984e-fd84-11e4-ba2b-1790c61b1c67]
2015-05-18 23:06:07.708973 [INFO] ftmod_sangoma_isdn_stack_out.c:175 [s1c17][1:18] Sending PROCEED (suId:1 suInstId:73 spInstId:73 dchan:1 ces:0)
2015-05-18 23:06:07.708973 [INFO] mod_dialplan_xml.c:558 Processing  <4273939336>->016 in context default
2015-05-18 23:06:07.708973 [NOTICE] switch_channel.c:1030 New Channel sofia/internal/sip:[email protected]:37568 [5dadf8c0-fd84-11e4-ba35-1790c61b1c67]
2015-05-18 23:06:07.768973 [NOTICE] sofia.c:5884 Ring-Ready sofia/internal/sip:[email protected]:37568!
2015-05-18 23:06:07.788973 [INFO] ftmod_sangoma_isdn_stack_out.c:233 [s1c17][1:18] Sending ALERT (suId:1 suInstId:73 spInstId:73 dchan:1 ces:0)
2015-05-18 23:06:07.788973 [NOTICE] switch_ivr_originate.c:526 Ring Ready FreeTDM/1:17/016!
2015-05-18 23:06:07.788973 [NOTICE] switch_ivr_originate.c:526 Ring-Ready FreeTDM/1:17/016!
2015-05-18 23:06:11.948973 [NOTICE] sofia.c:6602 Hangup sofia/internal/sip:[email protected]:37568 [CS_CONSUME_MEDIA] [USER_BUSY]
2015-05-18 23:06:11.968975 [NOTICE] switch_core_session.c:1567 Session 154 (sofia/internal/sip:[email protected]:37568) Ended
2015-05-18 23:06:11.968975 [NOTICE] switch_core_session.c:1571 Close Channel sofia/internal/sip:[email protected]:37568 [CS_DESTROY]
2015-05-18 23:06:11.968975 [NOTICE] switch_ivr_originate.c:2661 Cannot create outgoing channel of type [user] cause: [USER_BUSY]
2015-05-18 23:06:11.968975 [INFO] mod_dptools.c:3175 Originate Failed.  Cause: USER_BUSY
2015-05-18 23:06:11.968975 [INFO] ftmod_sangoma_isdn_stack_out.c:269 [s1c17][1:18] Sending CONNECT (suId:1 suInstId:73 spInstId:73 dchan:1 ces:0)
2015-05-18 23:06:11.968975 [NOTICE] mod_dptools.c:1208 Channel [FreeTDM/1:17/016] has been answered
2015-05-18 23:06:12.008968 [INFO] ftmod_sangoma_isdn_stack_rcv.c:144 [s1c17][1:18] Received CONNECT/CONNECT ACK (suId:1 suInstId:73 spInstId:73 ces:0)
2015-05-18 23:06:15.048973 [INFO] ftmod_sangoma_isdn_stack_rcv.c:232 [s1c17][1:18] Received DISCONNECT (suId:1 suInstId:73 spInstId:73)
2015-05-18 23:06:15.048973 [NOTICE] mod_freetdm.c:2681 Hangup FreeTDM/1:17/016 [CS_EXECUTE] [NORMAL_CLEARING]
2015-05-18 23:06:15.069203 [INFO] ftmod_sangoma_isdn_stack_out.c:441 [s1c17][1:18] Sending RELEASE/RELEASE COMPLETE (suId:1 suInstId:73 spInstId:73)
2015-05-18 23:06:15.088966 [INFO] ftmod_sangoma_isdn_stack_rcv.c:267 [s1c17][1:18] Received RELEASE/RELEASE COMPLETE (suId:1 suInstId:73 spInstId:73)
2015-05-18 23:06:15.108974 [NOTICE] switch_core_session.c:1567 Session 153 (FreeTDM/1:17/016) Ended
2015-05-18 23:06:15.108974 [NOTICE] switch_core_session.c:1571 Close Channel FreeTDM/1:17/016 [CS_DESTROY]