Getting TLS connect() error: [code=70006]: Not found (PJ_ENOTFOUND) with pjsua(2) with my program and pjsip integrated. The error does not seem to describe what is actually wrong. What's actually going on?? What's not found? The following is true: * Same code works on Windows * Same program will work on the Mac developed (both El Capitan and Mojave dev machines) * Same program throws the full error below on another Mac when packaged in single .app * Server (songbird.sip.server, not actual server name) is reachable, Asterisk PBX, does not show any connexion attempts in the SIP debug, can ping from device * No firewall is active on the Mac devices > 2019-09-26, 13:59:38.184699: <debug> (0x0000700002164000) > [PJSIP]            pjsua_acc.c Acc 0: setting registration.. > 2019-09-26, 13:59:38.186322: <debug> (0x0000700002164000) [PJSIP]     > tlsc0x7f90d706d428 TLS client transport created > 2019-09-26, 13:59:38.186473: <debug> (0x0000700002164000) [PJSIP]     > tlsc0x7f90d706d428 TLS transport 192.168.86.95:62615 is connecting to > songbird.sip.server:5061... > 2019-09-26, 13:59:38.186550: <debug> (0x0000700002164000) > [PJSIP]            pjsua_acc.c Contact for acc 0 updated: > <sip:2e8f04b6-dc64-4fdf-8e8b-5e034246df4d@192.168.86.95:62615;transport=TLS;ob>;reg-id=1;+sip.instance="<urn:uuid:00000000-0000-0000-0000-000062a2dee5>" > 2019-09-26, 13:59:38.188984: <debug> (0x0000700002164000) > [PJSIP]           pjsua_core.c TX 774 bytes Request msg > REGISTER/cseq=36644 (tdta0x7f90d58018a8) to TLS www.xxx.yyy.zzz:5061: > REGISTER sip:songbird.sip.server SIP/2.0 > Via: SIP/2.0/TLS > 192.168.86.95:62615;rport;branch=z9hG4bKPjB75FE879-DFF6-4FC2-AA8A-C1A89D5E2496;alias > > Route: <sip:songbird.sip.server;transport=tls;lr> > Max-Forwards: 70 > From: > <sip:2e8f04b6-dc64-4fdf-8e8b-5e034246df4d@songbird.sip.server>;tag=9FBBCCE5-7560-4737-B33E-4FFEE66BEC8C > > To: <sip:2e8f04b6-dc64-4fdf-8e8b-5e034246df4d@songbird.sip.server> > Call-ID: C8D621A4-E35F-4D18-9373-9BC10CE1DC02 > CSeq: 36644 REGISTER > Supported: outbound, path > Contact: > <sip:2e8f04b6-dc64-4fdf-8e8b-5e034246df4d@192.168.86.95:62615;transport=TLS;ob>;reg-id=1;+sip.instance="<urn:uuid:00000000-0000-0000-0000-000062a2dee5>" > > Expires: 300 > Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, > NOTIFY, REFER, MESSAGE, OPTIONS > Content-Length:  0 > > > --end msg-- > 2019-09-26, 13:59:38.189086: <debug> (0x0000700002164000) > [PJSIP]            pjsua_acc.c Acc 0: Registration sent > 2019-09-26, 13:59:38.201446: <info> (0x0000700002164000) [PJSIP]     > tlsc0x7f90d706d428 TLS connect() error: [code=70006]: Not found > (PJ_ENOTFOUND) > 2019-09-26, 13:59:38.201536: <info> (0x0000700002164000) [PJSIP]      > tsx0x7f90d78038a8 Temporary failure in sending Request msg > REGISTER/cseq=36644 (tdta0x7f90d58018a8), will try next server: Not > found (PJ_ENOTFOUND) > 2019-09-26, 13:59:38.201614: <debug> (0x0000700002164000) > [PJSIP]           pjsua_core.c TX 774 bytes Request msg > REGISTER/cseq=36644 (tdta0x7f90d58018a8) to TLS www.xxx.yyy.zzz:5061: > REGISTER sip:songbird.sip.server SIP/2.0 > Via: SIP/2.0/TLS > 192.168.86.95:62615;rport;branch=z9hG4bKPjB75FE879-DFF6-4FC2-AA8A-C1A89D5E2496;alias > > Route: <sip:songbird.sip.server;transport=tls;lr> > Max-Forwards: 70 > From: > <sip:2e8f04b6-dc64-4fdf-8e8b-5e034246df4d@songbird.sip.server>;tag=9FBBCCE5-7560-4737-B33E-4FFEE66BEC8C > > To: <sip:2e8f04b6-dc64-4fdf-8e8b-5e034246df4d@songbird.sip.server> > Call-ID: C8D621A4-E35F-4D18-9373-9BC10CE1DC02 > CSeq: 36644 REGISTER > Supported: outbound, path > Contact: > <sip:2e8f04b6-dc64-4fdf-8e8b-5e034246df4d@192.168.86.95:62615;transport=TLS;ob>;reg-id=1;+sip.instance="<urn:uuid:00000000-0000-0000-0000-000062a2dee5>" > > Expires: 300 > Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, > NOTIFY, REFER, MESSAGE, OPTIONS > Content-Length:  0 > > > --end msg-- > 2019-09-26, 13:59:38.201729: <debug> (0x0000700002164000) > [PJSIP]            pjsua_acc.c Disconnected notification for transport > tlsc0x7f90d706d428 > 2019-09-26, 13:59:38.201781: <debug> (0x0000700002164000) > [PJSIP]        sip_transport.c Transport tlsc0x7f90d706d428 shutting > down, force=0 > 2019-09-26, 13:59:38.201839: <debug> (0x0000700002164000) > [PJSIP]            pjsua_acc.c Scheduling re-registration retry for > acc 0 in 309 seconds.. > 2019-09-26, 13:59:38.201891: <info> (0x0000700002164000) [PJSIP]      > tsx0x7f90d78038a8 Failed to send Request msg REGISTER/cseq=36644 > (tdta0x7f90d58018a8)! err=70006 (Not found (PJ_ENOTFOUND)) > 2019-09-26, 13:59:38.201928: <warn> (0x0000700002164000) > [PJSIP]            pjsua_acc.c SIP registration failed, status=503 > (Not found (PJ_ENOTFOUND)) > 2019-09-26, 13:59:38.201957: <debug> (0x0000700002164000) > [PJSIP]            pjsua_acc.c Scheduling re-registration retry for > acc 0 in 306 seconds.. > 2019-09-26, 13:59:38.202053: <debug> (0x0000700002164000) [PJSIP]     > tlsc0x7f90d706d428 TLS transport destroyed with reason 70006: Not > found (PJ_ENOTFOUND) -- Michael A. Leonetti As warm as green tea