I am using Asterisk v1.4.18 on CentOS 4.3
Sometime, when users call my voice system, the call is dropped immediately.
I’ve observed the log. Here is it :
cat messages | grep unspecified
......
[Nov 29 22:06:14] NOTICE[13673] chan_unicall.c: CRN 32775 - far disconnected cause=Normal, unspecified cause [31]
[Nov 29 22:11:18] NOTICE[13673] chan_unicall.c: CRN 32775 - far disconnected cause=Normal, unspecified cause [31]
[Nov 29 22:14:32] NOTICE[13673] chan_unicall.c: CRN 32776 - far disconnected cause=Normal, unspecified cause [31]
[Nov 29 22:23:59] NOTICE[13673] chan_unicall.c: CRN 32777 - far disconnected cause=Normal, unspecified cause [31]
[Nov 29 22:26:50] NOTICE[13673] chan_unicall.c: CRN 32777 - far disconnected cause=Normal, unspecified cause [31]
[Nov 29 22:49:22] NOTICE[13673] chan_unicall.c: CRN 32780 - far disconnected cause=Normal, unspecified cause [31]
[Nov 29 23:44:00] NOTICE[13673] chan_unicall.c: CRN 32779 - far disconnected cause=Normal, unspecified cause [31]
[Nov 30 07:43:52] NOTICE[13673] chan_unicall.c: CRN 32780 - far disconnected cause=Normal, unspecified cause [31]
[Nov 30 08:53:04] NOTICE[13673] chan_unicall.c: CRN 32780 - far disconnected cause=Normal, unspecified cause [31]
[Nov 30 19:05:24] NOTICE[13673] chan_unicall.c: CRN 32779 - far disconnected cause=Normal, unspecified cause [31]
[Dec 1 08:43:12] NOTICE[13673] chan_unicall.c: CRN 32780 - far disconnected cause=Normal, unspecified cause [31]
[Dec 1 11:49:33] NOTICE[13673] chan_unicall.c: CRN 32780 - far disconnected cause=Normal, unspecified cause [31]
[Dec 1 12:01:41] NOTICE[13673] chan_unicall.c: CRN 32779 - far disconnected cause=Normal, unspecified cause [31]
[Dec 2 17:52:49] NOTICE[13673] chan_unicall.c: CRN 32782 - far disconnected cause=Normal, unspecified cause [31]
[Dec 4 01:05:29] NOTICE[13673] chan_unicall.c: CRN 32782 - far disconnected cause=Normal, unspecified cause [31]
[Dec 4 11:03:38] NOTICE[13673] chan_unicall.c: CRN 32783 - far disconnected cause=Normal, unspecified cause [31]
[Dec 4 11:03:58] NOTICE[13673] chan_unicall.c: CRN 32783 - far disconnected cause=Normal, unspecified cause [31]
[Dec 4 17:14:48] NOTICE[13673] chan_unicall.c: CRN 32781 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 14:46:36] NOTICE[13673] chan_unicall.c: CRN 32783 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 19:04:25] NOTICE[13673] chan_unicall.c: CRN 32783 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 20:43:13] NOTICE[13673] chan_unicall.c: CRN 32782 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 20:44:40] NOTICE[13673] chan_unicall.c: CRN 32784 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 20:44:45] NOTICE[13673] chan_unicall.c: CRN 32783 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 20:44:51] NOTICE[13673] chan_unicall.c: CRN 32784 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 20:45:17] NOTICE[13673] chan_unicall.c: CRN 32783 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 20:45:50] NOTICE[13673] chan_unicall.c: CRN 32784 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 20:46:49] NOTICE[13673] chan_unicall.c: CRN 32786 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 20:46:51] NOTICE[13673] chan_unicall.c: CRN 32784 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 20:47:09] NOTICE[13673] chan_unicall.c: CRN 32786 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 20:54:32] NOTICE[13673] chan_unicall.c: CRN 32786 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 20:55:35] NOTICE[13673] chan_unicall.c: CRN 32783 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 21:18:29] NOTICE[13673] chan_unicall.c: CRN 32785 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 21:23:05] NOTICE[13673] chan_unicall.c: CRN 32788 - far disconnected cause=Normal, unspecified cause [31]
..........
And here is a part of message log :
cat messages
..........
[Dec 6 14:46:36] NOTICE[13673] chan_unicall.c: Unicall/97 event Detected
[Dec 6 14:46:36] NOTICE[13673] chan_unicall.c: Unicall/97 event Far end disconnected
[Dec 6 14:46:36] NOTICE[13673] chan_unicall.c: CRN 32783 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 14:46:36] NOTICE[13673] chan_unicall.c: Unicall/97 event Drop call
[Dec 6 14:46:36] NOTICE[13673] chan_unicall.c: Unicall/97 event Release call
[Dec 6 19:04:24] NOTICE[13673] chan_unicall.c: Unicall/116 event Detected
[Dec 6 19:04:25] NOTICE[13673] chan_unicall.c: Unicall/116 event Far end disconnected
[Dec 6 19:04:25] NOTICE[13673] chan_unicall.c: CRN 32783 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 19:04:25] NOTICE[13673] chan_unicall.c: Unicall/116 event Drop call
[Dec 6 20:43:11] NOTICE[13673] chan_unicall.c: Unicall/71 event Detected
[Dec 6 20:43:13] NOTICE[13673] chan_unicall.c: Unicall/71 event Far end disconnected
[Dec 6 20:43:13] NOTICE[13673] chan_unicall.c: CRN 32782 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 20:43:13] NOTICE[13673] chan_unicall.c: Unicall/71 event Drop call
[Dec 6 20:43:13] NOTICE[13673] chan_unicall.c: Unicall/71 event Release call
[Dec 6 20:44:51] NOTICE[13673] chan_unicall.c: Unicall/124 event Far end disconnected
[Dec 6 20:44:51] NOTICE[13673] chan_unicall.c: CRN 32784 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 20:44:51] NOTICE[13673] chan_unicall.c: Unicall/124 event Drop call
[Dec 6 20:44:51] NOTICE[13673] chan_unicall.c: Unicall/124 event Release call
[Dec 6 20:46:49] NOTICE[13673] chan_unicall.c: Unicall/107 event Far end disconnected
[Dec 6 20:46:49] NOTICE[13673] chan_unicall.c: CRN 32786 - far disconnected cause=Normal, unspecified cause [31]
[Dec 6 20:46:49] NOTICE[13673] chan_unicall.c: Unicall/107 event Drop call
[Dec 6 20:46:49] NOTICE[13673] chan_unicall.c: Unicall/107 event Release call
........