root@localhost:/# cat /var/log/asterisk/full | grep failed
[2017-01-02 00:34:54] NOTICE[2326] res_pjsip/pjsip_distributor.c: Request 'OPTIONS' from '"sipvicious" <sip:100@1.1.1.1>' failed for '199.168.138.137:5066'
(callid: 645839255595422554047003) - No matching endpoint found
[2017-01-02 00:44:09] NOTICE[2629] res_pjsip/pjsip_distributor.c: Request 'OPTIONS' from '"sipvicious" <sip:100@1.1.1.1>' failed for '209.126.122.176:5061'
(callid: 68021930063367575244366) - No matching endpoint found
[2017-01-02 01:09:26] NOTICE[3382] res_pjsip/pjsip_distributor.c: Request 'OPTIONS' from '"sipvicious" <sip:100@1.1.1.1>' failed for '163.172.206.209:5066'
(callid: 16554075927589714284232) - No matching endpoint found
[2017-01-02 02:02:16] NOTICE[7513] res_pjsip/pjsip_distributor.c: Request 'OPTIONS' from '<sip:nm@nm>' failed for '71.6.167.142:26810' (callid: 50000) - No
matching endpoint found
[2017-01-02 02:10:40] NOTICE[7930] res_pjsip/pjsip_distributor.c: Request 'OPTIONS' from '"sipvicious" <sip:100@1.1.1.1>' failed for '158.69.246.135:6844'
(callid: 231167527781707996393548) - No matching endpoint found
[2017-01-02 02:20:05] NOTICE[8359] res_pjsip/pjsip_distributor.c: Request 'OPTIONS' from '"sipvicious" <sip:100@1.1.1.1>' failed for '209.126.117.240:5062'
(callid: 920608233783588797977066) - No matching endpoint found
[2017-01-02 02:24:48] NOTICE[8560] res_pjsip/pjsip_distributor.c: Request 'OPTIONS' from '"sipvicious" <sip:100@1.1.1.1>' failed for '209.126.120.68:5064'
(callid: 385435659750288279415612) - No matching endpoint found
[2017-01-02 02:36:32] NOTICE[9130] res_pjsip/pjsip_distributor.c: Request 'OPTIONS' from '"sipvicious" <sip:100@1.1.1.1>' failed for '167.114.0.31:6179' (c
allid: 962336694727432971511090) - No matching endpoint found
[2017-01-02 03:37:37] NOTICE[12088] res_pjsip/pjsip_distributor.c: Request 'OPTIONS' from '"sipvicious" <sip:100@1.1.1.1>' failed for '199.168.138.137:5120
' (callid: 1033098996490540243456819) - No matching endpoint found
[2017-01-02 04:45:59] NOTICE[15348] res_pjsip/pjsip_distributor.c: Request 'OPTIONS' from '"sipvicious" <sip:100@1.1.1.1>' failed for '163.172.206.209:5069
' (callid: 770078987257195183278498) - No matching endpoint found
[2017-01-02 06:11:41] NOTICE[19764] res_pjsip/pjsip_distributor.c: Request 'OPTIONS' from '"sipvicious" <sip:100@1.1.1.1>' failed for '192.99.21.126:5660'
(callid: 350421609523170100301716) - No matching endpoint found
[2017-01-02 06:40:23] NOTICE[21298] res_pjsip/pjsip_distributor.c: Request 'OPTIONS' from '"sipvicious" <sip:100@1.1.1.1>' failed for '103.210.221.140:5065
' (callid: 850668307503568098557293) - No matching endpoint found