[asterisk-users] Asterisk going down

[Danny Dias]

Hello my friends,

My asterisk is going down randomly, following you will find some errors that
i could see in the /var/log/asterisk/message at the moment of the crash:

[Feb  5 10:32:45] WARNING[6519] chan_sip.c: Maximum retries exceeded on
transmission 1850202354 at 10.4.1.152 for seqno 21 (Critical Response)
[Feb  5 10:32:45] WARNING[6519] chan_sip.c: Hanging up call
1850202354 at 10.4.1.152 - no reply to our critical packet.
[Feb  5 10:33:04] NOTICE[6519] chan_sip.c: Call from '346' to extension
'3415554' rejected because extension not found.
[Feb  5 10:35:31] NOTICE[6519] chan_sip.c: Disconnecting call
'SIP/301-09ad3be8' for lack of RTP activity in 301 seconds
[Feb  5 10:36:17] NOTICE[6519] chan_sip.c: Disconnecting call
'SIP/317-b7735220' for lack of RTP activity in 301 seconds
[Feb  5 10:38:19] NOTICE[6519] chan_sip.c: Peer '353' is now Reachable. (1ms
/ 2000ms)
[Feb  5 10:42:59] NOTICE[6519] chan_sip.c: Peer '353' is now Reachable. (7ms
/ 2000ms)
[Feb  5 10:51:09] NOTICE[6519] chan_sip.c: Peer '358' is now Reachable. (1ms
/ 2000ms)
[Feb  5 10:53:08] NOTICE[6519] chan_sip.c: Peer '366' is now UNREACHABLE!
Last qualify: 108

But later, at 2 pm, Asterisk went down again but with no weird message in
/var/log/asterisk/message (just some unreachable messages of some extensions
that has always been in the console since i installed Asterisk, but it never
crash Asterisk untill last weeks ago):

[Feb  5 13:54:11] NOTICE[6536] chan_sip.c: Peer '328' is now Reachable. (1ms
/ 2000ms)
[Feb  5 13:55:18] NOTICE[6536] chan_sip.c: Registration from '<
sip:300 at 10.4.1.6:5060>' failed for '10.4.2.3' - No matching peer found
[Feb  5 13:57:40] NOTICE[6536] chan_sip.c: Call from '346' to extension
'04265417457' rejected because extension not found.
[Feb  5 13:59:15] NOTICE[6536] chan_sip.c: Peer '341' is now Reachable. (2ms
/ 2000ms)
[Feb  5 13:59:25] NOTICE[6536] chan_sip.c: Peer '328' is now Reachable. (1ms
/ 2000ms)
[Feb  5 14:01:43] NOTICE[6536] chan_sip.c: Peer '339' is now UNREACHABLE!
Last qualify: 101
[Feb  5 14:04:22] NOTICE[6536] chan_sip.c: Peer '339' is now Reachable.
(44ms / 2000ms)
[Feb  5 14:04:39] NOTICE[6536] chan_sip.c: Peer '328' is now Reachable. (1ms
/ 2000ms)
[Feb  5 14:09:53] NOTICE[6536] chan_sip.c: Peer '328' is now Reachable. (1ms
/ 2000ms)


I could not make any call, neither internall nor to the pstn, what could be
happening here my friends? what should i check in the Asterisk server? is
this a network problem? memmory or cpu problems?

Thanks in advance for your help
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