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Unknown 3CX Critical Fault

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TomBarker

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We have used 3cx for over a year without issue, however for the second time in a month today for roughly 10 minutes no inbound or outbound calls were possible. While this occurred there was some very unusual log activity. Has anyone seen anything like this?


21-Sep-2013 15:07:20.641 [CM503008]: Call(C:27980): Call is terminated
21-Sep-2013 15:07:20.641 [CM503001]: Call(C:27980): Incoming call from Line:10004<<anonymous to <sip:[email protected]:5060>
21-Sep-2013 15:07:20.640 Line limit check: Current # of calls for line Lc:10004(@Engin - Trunk[<sip:[email protected]:5060>]) is 1; limit is 16
21-Sep-2013 15:07:20.637 [CM503012]: Inbound any hours rule (unnamed) for 10004 forwards to DN:80107
21-Sep-2013 15:07:20.636 [CM505003]: Provider:[Engin - Trunk] Device info: Device Not Identified: User Agent not matched; Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [] PBX contact: [sip:[email protected]:5060]
21-Sep-2013 15:07:20.636 [CM503008]: Call(C:27979): Call is terminated
21-Sep-2013 15:07:20.636 [CM503001]: Call(C:27979): Incoming call from Line:10004<<anonymous to <sip:[email protected]:5060>
21-Sep-2013 15:07:20.636 Line limit check: Current # of calls for line Lc:10004(@Engin - Trunk[<sip:[email protected]:5060>]) is 1; limit is 16
21-Sep-2013 15:07:20.632 [CM503012]: Inbound any hours rule (unnamed) for 10004 forwards to DN:80107
21-Sep-2013 15:07:20.631 [CM505003]: Provider:[Engin - Trunk] Device info: Device Not Identified: User Agent not matched; Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [] PBX contact: [sip:[email protected]:5060]
21-Sep-2013 15:07:20.631 [CM503008]: Call(C:27978): Call is terminated
21-Sep-2013 15:07:20.631 [CM503001]: Call(C:27978): Incoming call from Line:10004<<anonymous to <sip:[email protected]:5060>
21-Sep-2013 15:07:20.631 Line limit check: Current # of calls for line Lc:10004(@Engin - Trunk[<sip:[email protected]:5060>]) is 1; limit is 16
21-Sep-2013 15:07:20.627 [CM503012]: Inbound any hours rule (unnamed) for 10004 forwards to DN:80107
21-Sep-2013 15:07:20.627 [CM505003]: Provider:[Engin - Trunk] Device info: Device Not Identified: User Agent not matched; Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [] PBX contact: [sip:[email protected]:5060]
21-Sep-2013 15:07:20.627 [CM503008]: Call(C:27977): Call is terminated
21-Sep-2013 15:07:20.627 [CM503001]: Call(C:27977): Incoming call from Line:10004<<anonymous to <sip:[email protected]:5060>
21-Sep-2013 15:07:20.626 Line limit check: Current # of calls for line Lc:10004(@Engin - Trunk[<sip:[email protected]:5060>]) is 1; limit is 16
21-Sep-2013 15:07:20.623 [CM503012]: Inbound any hours rule (unnamed) for 10004 forwards to DN:80107
21-Sep-2013 15:07:20.622 [CM505003]: Provider:[Engin - Trunk] Device info: Device Not Identified: User Agent not matched; Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [] PBX contact: [sip:[email protected]:5060]
21-Sep-2013 15:07:20.622 [CM503008]: Call(C:27976): Call is terminated
21-Sep-2013 15:07:20.622 [CM503001]: Call(C:27976): Incoming call from Line:10004<<anonymous to <sip:[email protected]:5060>
21-Sep-2013 15:07:20.622 Line limit check: Current # of calls for line Lc:10004(@Engin - Trunk[<sip:[email protected]:5060>]) is 1; limit is 16
21-Sep-2013 15:07:20.618 [CM503012]: Inbound any hours rule (unnamed) for 10004 forwards to DN:80107
21-Sep-2013 15:07:20.617 [CM505003]: Provider:[Engin - Trunk] Device info: Device Not Identified: User Agent not matched; Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [] PBX contact: [sip:[email protected]:5060]
21-Sep-2013 15:07:20.617 [CM503008]: Call(C:27975): Call is terminated
21-Sep-2013 15:07:20.617 [CM503001]: Call(C:27975): Incoming call from Line:10004<<anonymous to <sip:[email protected]:5060>
21-Sep-2013 15:07:20.617 Line limit check: Current # of calls for line Lc:10004(@Engin - Trunk[<sip:[email protected]:5060>]) is 1; limit is 16
21-Sep-2013 15:07:20.613 [CM503012]: Inbound any hours rule (unnamed) for 10004 forwards to DN:80107
21-Sep-2013 15:07:20.612 [CM505003]: Provider:[Engin - Trunk] Device info: Device Not Identified: User Agent not matched; Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [] PBX contact: [sip:[email protected]:5060]
21-Sep-2013 15:07:20.612 [CM503008]: Call(C:27974): Call is terminated
21-Sep-2013 15:07:20.612 [CM503001]: Call(C:27974): Incoming call from Line:10004<<0400173382 to <sip:[email protected]:5060>
21-Sep-2013 15:07:20.612 Line limit check: Current # of calls for line Lc:10004(@Engin - Trunk[<sip:[email protected]:5060>]) is 1; limit is 16
21-Sep-2013 15:07:20.608 [CM503012]: Inbound any hours rule (unnamed) for 10004 forwards to DN:24700
21-Sep-2013 15:07:20.608 [CM505003]: Provider:[Engin - Trunk] Device info: Device Not Identified: User Agent not matched; Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [] PBX contact: [sip:[email protected]:5060]
21-Sep-2013 15:07:20.608 [CM503008]: Call(C:27973): Call is terminated

21-Sep-2013 15:05:20.137 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:05:06.554 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:05:06.246 Leg L:27044.1[Line:10004<<0401735287] is terminated: Cause: BYE from PBX
21-Sep-2013 15:05:06.246 [CM503008]: Call(C:27044): Call is terminated
21-Sep-2013 15:05:06.245 Leg L:27044.4[Extn] is terminated: Cause: BYE from 101.160.190.108:1030
21-Sep-2013 15:05:00.546 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:04:51.718 Currently active calls - 1: [27044]
21-Sep-2013 15:04:43.655 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:04:37.645 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:04:19.717 Currently active calls - 1: [27044]
21-Sep-2013 15:04:19.531 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:04:13.521 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:03:51.815 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:03:47.715 Currently active calls - 1: [27044]
21-Sep-2013 15:03:45.806 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:03:34.415 Leg L:27715.5[Extn] is terminated: Cause: BYE from PBX
21-Sep-2013 15:03:34.415 [CM503008]: Call(C:27715): Call is terminated
21-Sep-2013 15:03:34.414 Leg L:27715.1[Line:10005<<61406640238] is terminated: Cause: BYE from 202.169.178.10:5060
21-Sep-2013 15:03:19.545 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:03:17.713 Currently active calls - 2: [27044,27715]
21-Sep-2013 15:03:13.537 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:02:50.209 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:02:45.711 Currently active calls - 2: [27044,27715]
21-Sep-2013 15:02:44.201 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:02:27.716 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:02:21.707 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:02:13.709 Currently active calls - 2: [27044,27715]
21-Sep-2013 15:02:07.625 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:02:03.746 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:01:46.719 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:01:41.707 Currently active calls - 2: [27044,27715]
21-Sep-2013 15:01:40.710 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:01:24.434 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 123.3.53.60:5061
21-Sep-2013 15:01:16.235 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 123.3.53.60:5061
21-Sep-2013 15:01:13.566 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 123.3.53.60:5061
21-Sep-2013 15:01:09.706 Currently active calls - 2: [27044,27715]
21-Sep-2013 15:01:06.433 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 123.3.53.60:5061
21-Sep-2013 15:01:03.144 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 123.3.53.60:5061
21-Sep-2013 15:01:01.444 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 123.3.53.60:5061
21-Sep-2013 15:01:00.004 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 123.3.53.60:5061
21-Sep-2013 15:00:48.881 Leg L:27494.1[Line:10004<<0394662822] is terminated: Cause: BYE from PBX
21-Sep-2013 15:00:48.881 [CM503008]: Call(C:27494): Call is terminated
21-Sep-2013 15:00:48.880 Leg L:27494.2[Extn] is terminated: Cause: BYE from 123.3.51.62:65476
21-Sep-2013 15:00:45.329 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:00:40.622 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:00:37.704 Currently active calls - 3: [27044,27494,27715]
21-Sep-2013 15:00:21.489 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:00:15.479 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 203.161.160.71:5060
21-Sep-2013 15:00:07.702 Currently active calls - 3: [27044,27494,27715]
21-Sep-2013 14:59:58.567 Leg L:27053.3[Queue] is terminated: Cause: BYE from PBX
21-Sep-2013 14:59:58.567 [CM503008]: Call(C:27053): Call is terminated
21-Sep-2013 14:59:58.566 Leg L:27053.1[Line:10004<<0755279461] is terminated: Cause: BYE from 203.161.160.71:5060
21-Sep-2013 14:59:56.396 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 127.0.0.1:5488
21-Sep-2013 14:59:55.476 Leg L:0.0[Unknown:] is terminated: Cause: CANCEL from 127.0.0.1:5488
 
Did call begin working normally on their own, or did you have to re-boot?

Have you spoken to your voice provider or ISP, about any problems that they may have been having at the time.
I'm assuming that the Public IP's that you didn't "X" out (you missed one of your own), are your providers.
 
I knew there'd be one I forgot to block out!

On the first occasion I rebooted. On this occasion, it fixed itself. We have 2 SIP Trunks from major providers. I think's it's unliekely they'd both have issues at the same time.

Our 3CX PBX is located in our data centre and all our sites are remote. I tried dialing in through DID's on both trunks and it was unresponsive. My thought was a possisble issue with our transit link to the PBX (like a DDOS attack) but I have no record or any network issues.

The odd thing is the "Leg L:0.0[Unknown:]" in the log. Given we were at call 27044, why all of a sudden was it unable to properly log calls?

And then straight after it would log properly, but receive the call and terminate it in the same split second -

21-Sep-2013 15:07:20.617 [CM503008]: Call(C:27975): Call is terminated
21-Sep-2013 15:07:20.617 [CM503001]: Call(C:27975): Incoming call from Line:10004<<anonymous to <sip:[email protected]:5060>
21-Sep-2013 15:07:20.617 Line limit check: Current # of calls for line Lc:10004(@Engin - Trunk[<sip:[email protected]:5060>]) is 1; limit is 16
 
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