Thank you for your response, herein the debug trace:
17(3643) INFO: <script>: New message: INVITE sip:edi-2001@time-reversal.com SIP/2.0 Via: SIP/2.0/TCP 192.168.0.162:34348;branch=z9hG4bK.Mm9c9oajI;rport From: sip:edi-1@time-reversal.com;tag=J8Qbs6r5C To: sip:edi-2001@time-reversal.com CSeq: 20 INVITE Call-ID: JRsgN1qwek Max-Forwards: 70 Route: sip:194.206.195.58:5062;transport=tcp;lr Supported: replaces, outbound Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO, UPDATE Content-Type: application/sdp Content-Length: 258 Contact: sip:edi-1@217.108.243.20:52470;transport=tcp;+sip.instance="urn:uuid:dc62b3bd-0e31-41c1-a688-3f9b3cbbd170" User-Agent: LinphoneAndroid/3.2.7 (belle-sip/1.6.1)
v=0 o=edi-1 1263 2377 IN IP4 192.168.0.162 s=Talk c=IN IP4 192.168.0.162 b=AS:380 t=0 0 a=rtcp-xr:rcvr-rtt=all:10000 stat-summary=loss,dup,jitt,TTL voip-metrics m=audio 7076 RTP/AVP 0 8 3 101 a=rtpmap:101 telephone-event/8000 a=rtcp-fb:* ccm tmmbr 17(3643) DEBUG: <core> [parser/parse_addr_spec.c:898]: parse_addr_spec(): end of header reached, state=9 17(3643) DEBUG: <core> [parser/msg_parser.c:190]: get_hdr_field(): DEBUG: get_hdr_field: <To> [32]; uri=[sip:edi-2001@time-reversal.com] 17(3643) DEBUG: <core> [parser/msg_parser.c:192]: get_hdr_field(): DEBUG: to body [sip:edi-2001@time-reversal.com ] 17(3643) DEBUG: <core> [parser/msg_parser.c:170]: get_hdr_field(): get_hdr_field: cseq <CSeq>: <20> <INVITE> 17(3643) DEBUG: maxfwd [mf_funcs.c:85]: is_maxfwd_present(): value = 70 17(3643) DEBUG: <core> [parser/msg_parser.c:204]: get_hdr_field(): DEBUG: get_hdr_body : content_length=258 17(3643) DEBUG: <core> [parser/msg_parser.c:106]: get_hdr_field(): found end of header 17(3643) DEBUG: <core> [parser/parse_addr_spec.c:176]: parse_to_param(): DEBUG: add_param: tag=J8Qbs6r5C 17(3643) DEBUG: <core> [parser/parse_addr_spec.c:898]: parse_addr_spec(): end of header reached, state=29 17(3643) DEBUG: sanity [mod_sanity.c:255]: w_sanity_check(): sanity checks result: 1 17(3643) DEBUG: siputils [checks.c:103]: has_totag(): no totag 17(3643) DEBUG: tm [t_lookup.c:1072]: t_check_msg(): DEBUG: t_check_msg: msg id=1 global id=0 T start=0xffffffffffffffff 17(3643) DEBUG: tm [t_lookup.c:527]: t_lookup_request(): t_lookup_request: start searching: hash=63038, isACK=0 17(3643) DEBUG: tm [t_lookup.c:485]: matching_3261(): DEBUG: RFC3261 transaction matching failed 17(3643) DEBUG: tm [t_lookup.c:709]: t_lookup_request(): DEBUG: t_lookup_request: no transaction found 17(3643) DEBUG: tm [t_lookup.c:1141]: t_check_msg(): DEBUG: t_check_msg: msg id=1 global id=1 T end=(nil) 17(3643) DEBUG: outbound [ob_mod.c:496]: use_outbound(): Analysing INVITE for outbound markers 17(3643) DEBUG: <core> [socket_info.c:583]: grep_sock_info(): grep_sock_info - checking if host==us: 14==9 && [194.206.195.58] == [127.0.0.1] 17(3643) DEBUG: <core> [socket_info.c:587]: grep_sock_info(): grep_sock_info - checking if port 5060 (advertise 0) matches port 5062 17(3643) DEBUG: <core> [socket_info.c:583]: grep_sock_info(): grep_sock_info - checking if host==us: 14==10 && [194.206.195.58] == [10.42.0.11] 17(3643) DEBUG: <core> [socket_info.c:587]: grep_sock_info(): grep_sock_info - checking if port 5060 (advertise 0) matches port 5062 17(3643) DEBUG: <core> [socket_info.c:583]: grep_sock_info(): grep_sock_info - checking if host==us: 14==9 && [194.206.195.58] == [127.0.0.1] 17(3643) DEBUG: <core> [socket_info.c:587]: grep_sock_info(): grep_sock_info - checking if port 5060 (advertise 0) matches port 5062 17(3643) DEBUG: <core> [socket_info.c:583]: grep_sock_info(): grep_sock_info - checking if host==us: 14==10 && [194.206.195.58] == [10.42.0.11] 17(3643) DEBUG: <core> [socket_info.c:587]: grep_sock_info(): grep_sock_info - checking if port 5060 (advertise 0) matches port 5062 17(3643) DEBUG: <core> [forward.c:448]: check_self(): check_self: host != me 17(3643) DEBUG: outbound [ob_mod.c:378]: use_outbound_non_reg(): top Route-URI is not me - outbound not used 17(3643) ERROR: <script>: 3. =============================================> 17(3643) DEBUG: <core> [select.c:429]: run_select(): Calling SELECT 0x7f8fedeae7b8 17(3643) INFO: <script>: if 217.108.243.20 == 10.42.0.70? 17(3643) DEBUG: <core> [select.c:429]: run_select(): Calling SELECT 0x7f8fedeae7b8 17(3643) INFO: <script>: Method (INVITE) ==> from Peer 17(3643) INFO: <script>: Route from peer 17(3643) DEBUG: dispatcher [dispatch.c:1664]: ds_select_dst_limit(): set [1] 17(3643) DEBUG: dispatcher [dispatch.c:1772]: ds_select_dst_limit(): alg hash [2334507456] 17(3643) DEBUG: dispatcher [dispatch.c:1815]: ds_select_dst_limit(): selected [0-1/0] sip:10.42.0.70:5060;transport=TCP 17(3643) INFO: <script>: Relay message to sip:edi-2001@time-reversal.com via sip:10.42.0.70:5060;transport=TCP 17(3643) DEBUG: tm [t_lookup.c:1373]: t_newtran(): DEBUG: t_newtran: msg id=1 , global msg id=1 , T on entrance=(nil) 17(3643) DEBUG: tm [t_lookup.c:527]: t_lookup_request(): t_lookup_request: start searching: hash=63038, isACK=0 17(3643) DEBUG: tm [t_lookup.c:485]: matching_3261(): DEBUG: RFC3261 transaction matching failed 17(3643) DEBUG: tm [t_lookup.c:709]: t_lookup_request(): DEBUG: t_lookup_request: no transaction found 17(3643) DEBUG: tm [t_hooks.c:380]: run_reqin_callbacks_internal(): DBG: trans=0x7f8fe11b1a80, callback type 1, id 0 entered 17(3643) DEBUG: <core> [md5utils.c:67]: MD5StringArray(): DEBUG: MD5 calculated: 435a550d1fcde96f6297d49dd19084f2 17(3643) DEBUG: tm [t_funcs.c:347]: t_relay_to(): SER: new INVITE 17(3643) DEBUG: <core> [mem/shm_mem.c:111]: _shm_resize(): WARNING:vqm_resize: resize(0) called 17(3643) DEBUG: <core> [tcp_main.c:2281]: tcpconn_send_put(): tcp_send: send from reader (3643 (17)), reusing fd 17(3643) DEBUG: <core> [tcp_main.c:2516]: tcpconn_do_send(): tcp_send: sending... 17(3643) DEBUG: <core> [tcp_main.c:2550]: tcpconn_do_send(): tcp_send: after real write: c= 0x7f8fe119b3e8 n=535 fd=12 17(3643) DEBUG: <core> [tcp_main.c:2551]: tcpconn_do_send(): tcp_send: buf= SIP/2.0 100 trying -- your call is important to us Via: SIP/2.0/TCP 192.168.0.162:34348;branch=z9hG4bK.Mm9c9oajI;rport=52470;received=217.108.243.20 From: sip:edi-1@time-reversal.com;tag=J8Qbs6r5C To: sip:edi-2001@time-reversal.com CSeq: 20 INVITE Call-ID: JRsgN1qwek Server: kamailio (4.2.3 (x86_64/linux)) Content-Length: 0 Warning: 392 10.42.0.11:5060 "Noisy feedback tells: pid=3643 req_src_ip=217.108.243.20 req_src_port=52470 in_uri=sip:edi-2001@time-reversal.com out_uri=sip:edi-2001@time-reversal.com via_cnt==1"
17(3643) DEBUG: tm [t_reply.c:728]: _reply_light(): DEBUG: reply sent out. buf=0x7f8fede9a1d8: SIP/2.0 100 trying -..., shmem=0x7f8fe11b1190: SIP/2.0 100 trying - 17(3643) DEBUG: tm [t_reply.c:738]: _reply_light(): DEBUG: _reply_light: finished 17(3643) INFO: <script>: FIRST LEG======>>>>>>>new branch [0] to sip:edi-2001@time-reversal.com 17(3643) DEBUG: siputils [checks.c:103]: has_totag(): no totag 17(3643) DEBUG: <core> [select.c:429]: run_select(): Calling SELECT 0x7f8fedeae7b8 17(3643) INFO: <script>: if 217.108.243.20 == 10.42.0.70? 17(3643) DEBUG: <core> [select.c:429]: run_select(): Calling SELECT 0x7f8fedeae7b8 17(3643) INFO: <script>: Method (INVITE) ==> from Peer 17(3643) DEBUG: <core> [parser/sdp/sdp_helpr_funcs.c:504]: extract_mediaip(): located IP address [192.168.0.162] in `o=' field 17(3643) DEBUG: <core> [parser/sdp/sdp_helpr_funcs.c:504]: extract_mediaip(): located IP address [192.168.0.162] in `c=' field 17(3643) DEBUG: <core> [parser/sdp/sdp.c:574]: parse_sdp_session(): ignoring unknown type in a= line: `a=rtcp-fb:* ccm tmmbr ' 17(3643) DEBUG: rtpproxy [rtpproxy_funcs.c:148]: check_content_type(): type <application/sdp> found valid 17(3643) DEBUG: rtpproxy [rtpproxy.c:2704]: force_rtp_proxy(): proxy reply: 10862 194.206.195.58
17(3643) DEBUG: siputils [checks.c:103]: has_totag(): no totag 17(3643) DEBUG: <core> [msg_translator.c:470]: clen_builder(): clen_builder: content-length: 279 (279) 17(3643) DEBUG: <core> [msg_translator.c:2893]: create_via_hf(): create_via_hf: id added: <;i=1>, rcv proto=2 17(3643) DEBUG: <core> [tcp_main.c:2297]: tcpconn_send_put(): tcp_send: tcp connection found (0x7f8fe11a2938), acquiring fd 17(3643) DEBUG: <core> [tcp_main.c:2307]: tcpconn_send_put(): tcp_send, c= 0x7f8fe11a2938, n=16 18(3644) DEBUG: <core> [tcp_main.c:3565]: handle_ser_child(): handle_ser_child: read response= 7f8fe11a2938, 2, fd -1 from 17 (3643) 17(3643) DEBUG: <core> [tcp_main.c:2337]: tcpconn_send_put(): tcp_send: after receive_fd: c= 0x7f8fe11a2938 n=8 fd=13 17(3643) DEBUG: <core> [tcp_main.c:2516]: tcpconn_do_send(): tcp_send: sending... 17(3643) DEBUG: <core> [tcp_main.c:2550]: tcpconn_do_send(): tcp_send: after real write: c= 0x7f8fe11a2938 n=1169 fd=13 17(3643) DEBUG: <core> [tcp_main.c:2551]: tcpconn_do_send(): tcp_send: buf= INVITE sip:edi-2001@time-reversal.com SIP/2.0 Record-Route: sip:10.42.0.11;transport=tcp;lr=on;ftag=J8Qbs6r5C;nat=yes Via: SIP/2.0/TCP 194.206.195.58:5062;branch=z9hG4bKe36f.435a550d1fcde96f6297d49dd19084f2.0;i=1 Via: SIP/2.0/TCP 192.168.0.162:34348;received=217.108.243.20;branch=z9hG4bK.Mm9c9oajI;rport=52470 From: sip:edi-1@time-reversal.com;tag=J8Qbs6r5C To: sip:edi-2001@time-reversal.com CSeq: 20 INVITE Call-ID: JRsgN1qwek Contact: sip:edi-2001@10.42.0.11:5060;transport=TCP Max-Forwards: 69 Supported: replaces, outbound Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO, UPDATE Content-Type: application/sdp Content-Length: 279 sip:edi-1@217.108.243.20:52470;transport=tcpUser-Agent: LinphoneAndroid/3.2.7 (belle-sip/1.6.1) Path: sip:194.206.195.58:5062;transport=tcp;lr;received=sip:217.108.243.20:52470%3Btransport%3Dtcp
v=0 o=edi-1 1263 2377 IN IP4 194.206.195.58 s=Talk c=IN IP4 194.206.195.58 b=AS:380 t=0 0 a=rtcp-xr:rcvr-rtt=all:10000 stat-summary=loss,dup,jitt,TTL voip-metrics m=audio 10862 RTP/AVP 0 8 3 101 a=rtpmap:101 telephone-event/8000 a=rtcp-fb:* ccm tmmbr a=nortpproxy:yes