Here is debug you requested.
DEBUG: <core> [parser/msg_parser.c:623]: parse_msg(): SIP Request:
DEBUG: <core> [parser/msg_parser.c:625]: parse_msg(): method: <INVITE>
DEBUG: <core> [parser/msg_parser.c:629]: parse_msg(): version: <SIP/2.0>
DEBUG: <core> [parser/parse_via.c:1284]: parse_via_param(): Found param type 235, <rport> = <n/a>; state=6
DEBUG: <core> [parser/parse_via.c:1284]: parse_via_param(): Found param type 232, <branch> = <z9hG4bKZZDHrKg1B4Q1c>; state=16
DEBUG: <core> [parser/parse_via.c:2672]: parse_via(): end of header reached, state=5
DEBUG: <core> [parser/msg_parser.c:513]: parse_headers(): parse_headers: Via found, flags=2
DEBUG: <core> [parser/msg_parser.c:515]: parse_headers(): parse_headers: this is the first via
DEBUG: <core> [receive.c:152]: receive_msg(): After parse_msg...
DEBUG: <core> [receive.c:193]: receive_msg(): preparing to run routing scripts...
DEBUG: maxfwd [mf_funcs.c:85]: is_maxfwd_present(): value = 69
DEBUG: maxfwd [maxfwd.c:161]: process_maxfwd_header(): value 69 decreased to 16
DEBUG: <core> [parser/parse_addr_spec.c:893]: parse_addr_spec(): end of header reached, state=10
DEBUG: <core> [parser/msg_parser.c:170]: get_hdr_field(): get_hdr_field: cseq <CSeq>: <58787375> <INVITE>
DEBUG: <core> [parser/msg_parser.c:204]: get_hdr_field(): DEBUG: get_hdr_body : content_length=203
DEBUG: <core> [parser/msg_parser.c:106]: get_hdr_field(): found end of header
DEBUG: <core> [parser/parse_addr_spec.c:176]: parse_to_param(): DEBUG: add_param: tag=1eQFK719e4cyS
DEBUG: <core> [parser/parse_addr_spec.c:893]: parse_addr_spec(): end of header reached, state=29
DEBUG: sanity [mod_sanity.c:255]: w_sanity_check(): sanity checks result: 1
DEBUG: siputils [checks.c:103]: has_totag(): no totag
DEBUG: tm [t_lookup.c:1072]: t_check_msg(): DEBUG: t_check_msg: msg id=1 global id=0 T start=0xffffffffffffffff
DEBUG: tm [t_lookup.c:527]: t_lookup_request(): t_lookup_request: start searching: hash=49678, isACK=0
DEBUG: tm [t_lookup.c:485]: matching_3261(): DEBUG: RFC3261 transaction matching failed
DEBUG: tm [t_lookup.c:709]: t_lookup_request(): DEBUG: t_lookup_request: no transaction found
DEBUG: tm [t_lookup.c:1141]: t_check_msg(): DEBUG: t_check_msg: msg id=1 global id=1 T end=(nil)
DEBUG: <core> [socket_info.c:583]: grep_sock_info(): grep_sock_info - checking if host==us: 12==9 && [10.10.10.5] == [127.0.0.1]
DEBUG: <core> [socket_info.c:587]: grep_sock_info(): grep_sock_info - checking if port 5060 (advertise 0) matches port 5060
DEBUG: <core> [socket_info.c:583]: grep_sock_info(): grep_sock_info - checking if host==us: 12==12 && [10.10.10.5] == [10.10.10.5]
DEBUG: <core> [socket_info.c:587]: grep_sock_info(): grep_sock_info - checking if port 5060 (advertise 0) matches port 5060
DEBUG: registrar [lookup.c:158]: lookup(): '43111223344' Not found in usrloc
DEBUG: tm [t_lookup.c:1373]: t_newtran(): DEBUG: t_newtran: msg id=1 , global msg id=1 , T on entrance=(nil)
DEBUG: tm [t_lookup.c:527]: t_lookup_request(): t_lookup_request: start searching: hash=49678, isACK=0
DEBUG: tm [t_lookup.c:485]: matching_3261(): DEBUG: RFC3261 transaction matching failed
DEBUG: tm [t_lookup.c:709]: t_lookup_request(): DEBUG: t_lookup_request: no transaction found
DEBUG: tm [t_hooks.c:374]: run_reqin_callbacks_internal(): DBG: trans=0x7f9ae79e2c10, callback type 1, id 0 entered
DEBUG: tm [t_hooks.c:374]: run_reqin_callbacks_internal(): DBG: trans=0x7f9ae79e2c10, callback type 1, id 0 entered
DEBUG: <core> [md5utils.c:67]: MD5StringArray(): DEBUG: MD5 calculated: 60b78f5b572d3477887c1e8305c94b0a
DEBUG: drouting [drouting.c:720]: do_routing(): using dr group 10
DEBUG: drouting [prefix_tree.c:87]: internal_check_rt(): found rgid 10 (rule list 0x7f9ae79e2a58)
DEBUG: drouting [drouting.c:895]: do_routing(): setting attr [] as for ruri
DEBUG: tm [t_lookup.c:1373]: t_newtran(): DEBUG: t_newtran: msg id=1 , global msg id=1 , T on entrance=0x7f9ae79e2c10
DEBUG: tm [t_lookup.c:1378]: t_newtran(): DEBUG: t_newtran: transaction already in process 0x7f9ae79e2c10
DEBUG: tm [t_funcs.c:347]: t_relay_to(): SER: new INVITE
DEBUG: <core> [msg_translator.c:204]: check_via_address(): check_via_address(10.10.5.5, 10.10.5.5, 0)
DEBUG: <core> [mem/shm_mem.c:111]: _shm_resize(): WARNING:vqm_resize: resize(0) called
DEBUG: tm [t_reply.c:728]: _reply_light(): DEBUG: reply sent out. buf=0x7f9afe08a608: SIP/2.0 100 trying -..., shmem=0x7f9ae79e5860: SIP/2.0 100 trying -
DEBUG: tm [t_reply.c:738]: _reply_light(): DEBUG: _reply_light: finished
DEBUG: <core> [msg_translator.c:204]: check_via_address(): check_via_address(10.10.5.5, 10.10.5.5, 0)
DEBUG: tm [t_funcs.c:394]: t_relay_to(): SER: new transaction fwd'ed
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [xavp.c:448]: xavp_destroy_list(): destroying xavp list (nil)
DEBUG: <core> [receive.c:296]: receive_msg(): receive_msg: cleaning up
DEBUG: <core> [parser/msg_parser.c:633]: parse_msg(): SIP Reply (status):
DEBUG: <core> [parser/msg_parser.c:635]: parse_msg(): version: <SIP/2.0>
DEBUG: <core> [parser/msg_parser.c:637]: parse_msg(): status: <100>
DEBUG: <core> [parser/msg_parser.c:639]: parse_msg(): reason: <Trying>
DEBUG: <core> [parser/parse_via.c:1284]: parse_via_param(): Found param type 232, <branch> = <z9hG4bKe02c.60b78f5b572d3477887c1e8305c94b0a.0>; state=16
DEBUG: <core> [parser/parse_via.c:2672]: parse_via(): end of header reached, state=5
DEBUG: <core> [parser/msg_parser.c:513]: parse_headers(): parse_headers: Via found, flags=2
DEBUG: <core> [parser/msg_parser.c:515]: parse_headers(): parse_headers: this is the first via
DEBUG: <core> [receive.c:152]: receive_msg(): After parse_msg...
DEBUG: tm [t_lookup.c:1072]: t_check_msg(): DEBUG: t_check_msg: msg id=1 global id=0 T start=0xffffffffffffffff
DEBUG: <core> [parser/parse_via.c:1284]: parse_via_param(): Found param type 235, <rport> = <5080>; state=6
DEBUG: <core> [parser/parse_via.c:1284]: parse_via_param(): Found param type 232, <branch> = <z9hG4bKZZDHrKg1B4Q1c>; state=16
DEBUG: <core> [parser/parse_via.c:2672]: parse_via(): end of header reached, state=5
DEBUG: <core> [parser/msg_parser.c:513]: parse_headers(): parse_headers: Via found, flags=62
DEBUG: <core> [parser/msg_parser.c:526]: parse_headers(): parse_headers: this is the second via
DEBUG: <core> [parser/parse_addr_spec.c:893]: parse_addr_spec(): end of header reached, state=10
DEBUG: <core> [parser/msg_parser.c:170]: get_hdr_field(): get_hdr_field: cseq <CSeq>: <58787375> <INVITE>
DEBUG: tm [t_lookup.c:949]: t_reply_matching(): DEBUG: t_reply_matching: hash 49678 label 0 branch 0
DEBUG: tm [t_lookup.c:1004]: t_reply_matching(): DEBUG: t_reply_matching: reply matched (T=0x7f9ae79e2c10)!
DEBUG: tm [t_hooks.c:288]: run_trans_callbacks_internal(): DBG: trans=0x7f9ae79e2c10, callback type 2, id 0 entered
DEBUG: acc [acc_logic.c:557]: tmcb_func(): acc callback called for t(0x7f9ae79e2c10) event type 2, reply code 100
DEBUG: tm [t_lookup.c:1141]: t_check_msg(): DEBUG: t_check_msg: msg id=1 global id=1 T end=0x7f9ae79e2c10
DEBUG: tm [t_reply.c:2206]: reply_received(): DEBUG: reply_received: org. status uas=100, uac[0]=0 local=0 is_invite=1)
DEBUG: <script>: incoming reply
DEBUG: tm [t_reply.c:1304]: t_should_relay_response(): ->>>>>>>>> T_code=100, new_code=100
DEBUG: tm [t_reply.c:1822]: relay_reply(): DEBUG: relay_reply: branch=0, save=0, relay=-1 icode=0
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [xavp.c:448]: xavp_destroy_list(): destroying xavp list (nil)
DEBUG: <core> [receive.c:296]: receive_msg(): receive_msg: cleaning up
DEBUG: <core> [parser/msg_parser.c:633]: parse_msg(): SIP Reply (status):
DEBUG: <core> [parser/msg_parser.c:635]: parse_msg(): version: <SIP/2.0>
DEBUG: <core> [parser/msg_parser.c:637]: parse_msg(): status: <503>
DEBUG: <core> [parser/msg_parser.c:639]: parse_msg(): reason: <Service unavailable>
DEBUG: <core> [parser/parse_via.c:1284]: parse_via_param(): Found param type 232, <branch> = <z9hG4bKe02c.60b78f5b572d3477887c1e8305c94b0a.0>; state=16
DEBUG: <core> [parser/parse_via.c:2672]: parse_via(): end of header reached, state=5
DEBUG: <core> [parser/msg_parser.c:513]: parse_headers(): parse_headers: Via found, flags=2
DEBUG: <core> [parser/msg_parser.c:515]: parse_headers(): parse_headers: this is the first via
DEBUG: <core> [receive.c:152]: receive_msg(): After parse_msg...
DEBUG: tm [t_lookup.c:1072]: t_check_msg(): DEBUG: t_check_msg: msg id=1 global id=0 T start=0xffffffffffffffff
DEBUG: <core> [parser/parse_via.c:1284]: parse_via_param(): Found param type 235, <rport> = <5080>; state=6
DEBUG: <core> [parser/parse_via.c:1284]: parse_via_param(): Found param type 232, <branch> = <z9hG4bKZZDHrKg1B4Q1c>; state=16
DEBUG: <core> [parser/parse_via.c:2672]: parse_via(): end of header reached, state=5
DEBUG: <core> [parser/msg_parser.c:513]: parse_headers(): parse_headers: Via found, flags=62
DEBUG: <core> [parser/msg_parser.c:526]: parse_headers(): parse_headers: this is the second via
DEBUG: <core> [parser/parse_addr_spec.c:893]: parse_addr_spec(): end of header reached, state=10
DEBUG: <core> [parser/msg_parser.c:170]: get_hdr_field(): get_hdr_field: cseq <CSeq>: <58787375> <INVITE>
DEBUG: tm [t_lookup.c:949]: t_reply_matching(): DEBUG: t_reply_matching: hash 49678 label 0 branch 0
DEBUG: tm [t_lookup.c:1004]: t_reply_matching(): DEBUG: t_reply_matching: reply matched (T=0x7f9ae79e2c10)!
DEBUG: tm [t_hooks.c:288]: run_trans_callbacks_internal(): DBG: trans=0x7f9ae79e2c10, callback type 2, id 0 entered
DEBUG: acc [acc_logic.c:557]: tmcb_func(): acc callback called for t(0x7f9ae79e2c10) event type 2, reply code 503
DEBUG: tm [t_lookup.c:1141]: t_check_msg(): DEBUG: t_check_msg: msg id=1 global id=1 T end=0x7f9ae79e2c10
DEBUG: tm [t_reply.c:2206]: reply_received(): DEBUG: reply_received: org. status uas=100, uac[0]=100 local=0 is_invite=1)
DEBUG: <script>: incoming reply
DEBUG: tm [t_reply.c:1304]: t_should_relay_response(): ->>>>>>>>> T_code=100, new_code=503
DEBUG: tm [t_lookup.c:1072]: t_check_msg(): DEBUG: t_check_msg: msg id=0 global id=0 T start=0x7f9ae79e2c10
DEBUG: tm [t_lookup.c:1144]: t_check_msg(): DEBUG: t_check_msg: T already found!
DEBUG: tm [t_reply.c:1822]: relay_reply(): DEBUG: relay_reply: branch=0, save=0, relay=0 icode=0
DEBUG: <core> [msg_translator.c:204]: check_via_address(): check_via_address(10.10.5.5, 10.10.5.5, 0)
DEBUG: tm [t_hooks.c:288]: run_trans_callbacks_internal(): DBG: trans=0x7f9ae79e2c10, callback type 512, id 0 entered
DEBUG: acc [acc_logic.c:557]: tmcb_func(): acc callback called for t(0x7f9ae79e2c10) event type 512, reply code 503
DEBUG: <core> [parser/msg_parser.c:623]: parse_msg(): SIP Request:
DEBUG: <core> [parser/msg_parser.c:625]: parse_msg(): method: <ACK>
DEBUG: <core> [parser/msg_parser.c:629]: parse_msg(): version: <SIP/2.0>
DEBUG: <core> [parser/parse_via.c:1284]: parse_via_param(): Found param type 235, <rport> = <n/a>; state=6
DEBUG: <core> [parser/parse_via.c:1284]: parse_via_param(): Found param type 232, <branch> = <z9hG4bKZZDHrKg1B4Q1c>; state=16
DEBUG: <core> [parser/parse_via.c:2672]: parse_via(): end of header reached, state=5
DEBUG: <core> [parser/msg_parser.c:513]: parse_headers(): parse_headers: Via found, flags=2
DEBUG: <core> [parser/msg_parser.c:515]: parse_headers(): parse_headers: this is the first via
DEBUG: <core> [receive.c:152]: receive_msg(): After parse_msg...
DEBUG: <core> [receive.c:193]: receive_msg(): preparing to run routing scripts...
DEBUG: sl [sl_funcs.c:412]: sl_filter_ACK(): DEBUG : sl_filter_ACK: to late to be a local ACK!
DEBUG: maxfwd [mf_funcs.c:85]: is_maxfwd_present(): value = 69
DEBUG: maxfwd [maxfwd.c:161]: process_maxfwd_header(): value 69 decreased to 16
DEBUG: <core> [parser/parse_addr_spec.c:176]: parse_to_param(): DEBUG: add_param: tag=a6a1c5f60faecf035a1ae5b6e96e979a-3d6b
DEBUG: <core> [parser/parse_addr_spec.c:893]: parse_addr_spec(): end of header reached, state=29
DEBUG: <core> [parser/msg_parser.c:170]: get_hdr_field(): get_hdr_field: cseq <CSeq>: <58787375> <ACK>
DEBUG: <core> [parser/msg_parser.c:204]: get_hdr_field(): DEBUG: get_hdr_body : content_length=0
DEBUG: <core> [parser/msg_parser.c:106]: get_hdr_field(): found end of header
DEBUG: <core> [parser/parse_addr_spec.c:176]: parse_to_param(): DEBUG: add_param: tag=1eQFK719e4cyS
DEBUG: <core> [parser/parse_addr_spec.c:893]: parse_addr_spec(): end of header reached, state=29
DEBUG: tm [t_reply.c:1663]: cleanup_uac_timers(): DEBUG: cleanup_uac_timers: RETR/FR timers reset
DEBUG: sanity [mod_sanity.c:255]: w_sanity_check(): sanity checks result: 1
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: siputils [checks.c:106]: has_totag(): totag found
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: rr [loose.c:113]: find_first_route(): No Route headers found
DEBUG: <core> [xavp.c:448]: xavp_destroy_list(): destroying xavp list (nil)
DEBUG: rr [loose.c:929]: loose_route(): There is no Route HF
DEBUG: <core> [receive.c:296]: receive_msg(): receive_msg: cleaning up
DEBUG: tm [t_lookup.c:1072]: t_check_msg(): DEBUG: t_check_msg: msg id=1 global id=0 T start=0xffffffffffffffff
DEBUG: tm [t_lookup.c:527]: t_lookup_request(): t_lookup_request: start searching: hash=49678, isACK=1
DEBUG: tm [t_lookup.c:470]: matching_3261(): DEBUG: RFC3261 transaction matched, tid=ZZDHrKg1B4Q1c
DEBUG: tm [t_lookup.c:726]: t_lookup_request(): DEBUG: t_lookup_request: transaction found (T=0x7f9ae79e2c10)
DEBUG: tm [t_lookup.c:1141]: t_check_msg(): DEBUG: t_check_msg: msg id=1 global id=1 T end=0x7f9ae79e2c10
DEBUG: tm [t_reply.c:1663]: cleanup_uac_timers(): DEBUG: cleanup_uac_timers: RETR/FR timers reset
DEBUG: <core> [timer.c:595]: timer_add_safe(): timer_add called on an active timer 0x7f9ae79e2c90 (0x7f9ae778eb18, 0x7f9ae778eb18), flags 201
DEBUG: tm [t_funcs.c:180]: put_on_wait(): tm: put_on_wait: transaction 0x7f9ae79e2c10 already on wait
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil)
DEBUG: <core> [xavp.c:448]: xavp_destroy_list(): destroying xavp list (nil)
DEBUG: <core> [receive.c:296]: receive_msg(): receive_msg: cleaning up