I was checking out my Asterisk logs and noticed hundreds of lines like the ones below… what do they mean?
[2017-12-21 21:01:41] NOTICE[5198] res_pjsip_exten_state.c: Endpoint '110' state subscription failed: Extension '*992*1*110' does not exist in context 'from-internal' or has no associated hint
[2017-12-21 21:03:00] NOTICE[9720] res_pjsip/pjsip_distributor.c: Request 'INVITE' from '"1" <sip:[email protected]>' failed for '66.70.186.99:5079' (callid: c85271006800dd6cfd0caee471179f7f) - No matching endpoint found
[2017-12-21 21:03:51] WARNING[18271] chan_sip.c: Purely numeric hostname (200), and not a peer--rejecting!
[2017-12-21 21:03:51] NOTICE[22160] res_pjsip_exten_state.c: Endpoint '200' state subscription failed: Extension '*992*1*200' does not exist in context 'from-internal' or has no associated hint
[2017-12-21 21:04:00] WARNING[18271] chan_sip.c: Purely numeric hostname (108), and not a peer--rejecting!
[2017-12-21 21:04:00] WARNING[18271] chan_sip.c: Purely numeric hostname (108), and not a peer--rejecting!
[2017-12-21 21:04:00] NOTICE[5198] res_pjsip_exten_state.c: Endpoint '108' state subscription failed: Extension '*992*1*108' does not exist in context 'from-internal' or has no associated hint
[2017-12-21 21:04:39] NOTICE[27343] res_pjsip_exten_state.c: Endpoint '107' state subscription failed: Extension '*992*1*107' does not exist in context 'from-internal' or has no associated hint
[2017-12-21 21:04:48] NOTICE[22160] res_pjsip_exten_state.c: Endpoint '100' state subscription failed: Extension '*992*1*100-1' does not exist in context 'from-internal' or has no associated hint
[2017-12-21 21:05:19] NOTICE[22160] res_pjsip_exten_state.c: Endpoint '106' state subscription failed: Extension '*992*1*106' does not exist in context 'from-internal' or has no associated hint
[2017-12-21 21:07:01] NOTICE[9720] res_pjsip/pjsip_distributor.c: Request 'OPTIONS' from '<sip:n@n>' failed for '2.105.13.142:21281' (callid: 5) - No matching endpoint found