GOautodial Open Source Omni-channel Contact Center Suite

I am dialing UK and my Account Entry and Dialplan Entry are:

Account Entry:
[UKOUT]
disallow=all
allow=gsm
allow=ulaw
type=friend
secret=xxxxxxxxxx
username=xxxxxxxxxx
host=xx.xxx.xx.xxx
dtmfmode=rfc2833
context=trunkinbound
qualify=yes
insecure=very
rtptimeout=60
nat=yes
fromdomain=xxxxxxxxxx
allow=alaw

Dialplan Entry:

exten => _944.,1,AGI
exten => _944.,2,Dial(SIP/${EXTEN:1}@UKOUT,,tTo)
exten => _944,3,Hangup

and I am getting congestion cause 1 in new stack error.

[Jul 23 18:43:01] Parsing '/etc/asterisk/manager.conf': [Jul 23 18:43:01] Found
[Jul 23 18:43:01] Manager 'sendcron' logged on from 127.0.0.1
[Jul 23 18:43:01] Manager 'sendcron' logged off from 127.0.0.1
[Jul 23 18:43:01] Parsing '/etc/asterisk/manager.conf': [Jul 23 18:43:01] Found
[Jul 23 18:43:01] Manager 'sendcron' logged on from 127.0.0.1
[Jul 23 18:43:02] Manager 'sendcron' logged off from 127.0.0.1
[Jul 23 18:43:06] Parsing '/etc/asterisk/manager.conf': [Jul 23 18:43:06] Found
[Jul 23 18:43:06] Manager 'sendcron' logged on from 127.0.0.1
[Jul 23 18:43:06] Manager 'sendcron' logged off from 127.0.0.1
[Jul 23 18:43:09] Parsing '/etc/asterisk/manager.conf': [Jul 23 18:43:09] Found
[Jul 23 18:43:09] Manager 'sendcron' logged on from 127.0.0.1
[Jul 23 18:43:09] -- Executing [9441626770872@default:1] AGI("Local/9441626770872@default-b710,2", "agi://127.0.0.1:4577/call_log") in new stack
[Jul 23 18:43:09] Parsing '/etc/asterisk/manager.conf': [Jul 23 18:43:09] Found
[Jul 23 18:43:09] Manager 'sendcron' logged on from 127.0.0.1
[Jul 23 18:43:09] -- Executing [9441825872029@default:1] AGI("Local/9441825872029@default-dc68,2", "agi://127.0.0.1:4577/call_log") in new stack
[Jul 23 18:43:09] -- AGI Script agi://127.0.0.1:4577/call_log completed, returning 0
[Jul 23 18:43:09] -- Executing [9441626770872@default:2] Dial("Local/9441626770872@default-b710,2", "SIP/441626770872@UKOUT||tTo") in new stack
[Jul 23 18:43:09] -- Called 441626770872@UKOUT
[Jul 23 18:43:09] -- AGI Script agi://127.0.0.1:4577/call_log completed, returning 0
[Jul 23 18:43:09] -- Executing [9441825872029@default:2] Dial("Local/9441825872029@default-dc68,2", "SIP/441825872029@UKOUT||tTo") in new stack
[Jul 23 18:43:09] -- Called 441825872029@UKOUT
[Jul 23 18:43:09] Parsing '/etc/asterisk/manager.conf': [Jul 23 18:43:09] Found
[Jul 23 18:43:09] Manager 'sendcron' logged on from 127.0.0.1
[Jul 23 18:43:09] -- Executing [9441827373163@default:1] AGI("Local/9441827373163@default-4504,2", "agi://127.0.0.1:4577/call_log") in new stack
[Jul 23 18:43:09] -- AGI Script agi://127.0.0.1:4577/call_log completed, returning 0
[Jul 23 18:43:09] -- Executing [9441827373163@default:2] Dial("Local/9441827373163@default-4504,2", "SIP/441827373163@UKOUT||tTo") in new stack
[Jul 23 18:43:09] -- Called 441827373163@UKOUT
[Jul 23 18:43:09] Parsing '/etc/asterisk/manager.conf': [Jul 23 18:43:09] Found
[Jul 23 18:43:09] Manager 'sendcron' logged on from 127.0.0.1
[Jul 23 18:43:09] -- Executing [9441922621615@default:1] AGI("Local/9441922621615@default-e4bb,2", "agi://127.0.0.1:4577/call_log") in new stack
[Jul 23 18:43:09] -- AGI Script agi://127.0.0.1:4577/call_log completed, returning 0
[Jul 23 18:43:09] -- Executing [9441922621615@default:2] Dial("Local/9441922621615@default-e4bb,2", "SIP/441922621615@UKOUT||tTo") in new stack
[Jul 23 18:43:09] -- Called 441922621615@UKOUT
[Jul 23 18:43:09] Parsing '/etc/asterisk/manager.conf': [Jul 23 18:43:09] Found
[Jul 23 18:43:09] Manager 'sendcron' logged on from 127.0.0.1
[Jul 23 18:43:09] -- Executing [9441308862117@default:1] AGI("Local/9441308862117@default-bdb4,2", "agi://127.0.0.1:4577/call_log") in new stack
[Jul 23 18:43:09] -- AGI Script agi://127.0.0.1:4577/call_log completed, returning 0
[Jul 23 18:43:09] -- Executing [9441308862117@default:2] Dial("Local/9441308862117@default-bdb4,2", "SIP/441308862117@UKOUT||tTo") in new stack
[Jul 23 18:43:09] -- Called 441308862117@UKOUT
[Jul 23 18:43:09] Parsing '/etc/asterisk/manager.conf': [Jul 23 18:43:09] Found
[Jul 23 18:43:09] Manager 'sendcron' logged on from 127.0.0.1
[Jul 23 18:43:09] -- Executing [9441823664270@default:1] AGI("Local/9441823664270@default-11bb,2", "agi://127.0.0.1:4577/call_log") in new stack
[Jul 23 18:43:09] -- AGI Script agi://127.0.0.1:4577/call_log completed, returning 0
[Jul 23 18:43:09] -- Executing [9441823664270@default:2] Dial("Local/9441823664270@default-11bb,2", "SIP/441823664270@UKOUT||tTo") in new stack
[Jul 23 18:43:09] -- Called 441823664270@UKOUT
[Jul 23 18:43:10] -- SIP/UKOUT-0000004c is circuit-busy
[Jul 23 18:43:10] Everyone is busy/congested at this time (1:0/1/0)
[Jul 23 18:43:10] Auto fallthrough, channel 'Local/9441626770872@default-b710,2' status is 'CONGESTION'
[Jul 23 18:43:10] > Channel Local/9441626770872@default-b710,1 was never answered.
[Jul 23 18:43:10] -- Executing [h@default:1] DeadAGI("Local/9441626770872@default-b710,2", "agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----1-----CONGESTION----------") in new stack
[Jul 23 18:43:10] Manager 'sendcron' logged off from 127.0.0.1
[Jul 23 18:43:10] -- SIP/UKOUT-0000004e is circuit-busy
[Jul 23 18:43:10] Everyone is busy/congested at this time (1:0/1/0)
[Jul 23 18:43:10] Auto fallthrough, channel 'Local/9441827373163@default-4504,2' status is 'CONGESTION'
[Jul 23 18:43:10] > Channel Local/9441827373163@default-4504,1 was never answered.
[Jul 23 18:43:10] Manager 'sendcron' logged off from 127.0.0.1
[Jul 23 18:43:10] -- Executing [h@default:1] DeadAGI("Local/9441827373163@default-4504,2", "agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----1-----CONGESTION----------") in new stack
[Jul 23 18:43:10] -- SIP/UKOUT-0000004d is circuit-busy
[Jul 23 18:43:10] Everyone is busy/congested at this time (1:0/1/0)
[Jul 23 18:43:10] Auto fallthrough, channel 'Local/9441825872029@default-dc68,2' status is 'CONGESTION'
[Jul 23 18:43:10] > Channel Local/9441825872029@default-dc68,1 was never answered.
[Jul 23 18:43:10] -- Executing [h@default:1] DeadAGI("Local/9441825872029@default-dc68,2", "agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----1-----CONGESTION----------") in new stack
[Jul 23 18:43:10] Manager 'sendcron' logged off from 127.0.0.1
[Jul 23 18:43:10] -- SIP/UKOUT-0000004f is circuit-busy
[Jul 23 18:43:10] Everyone is busy/congested at this time (1:0/1/0)
[Jul 23 18:43:10] Auto fallthrough, channel 'Local/9441922621615@default-e4bb,2' status is 'CONGESTION'
[Jul 23 18:43:10] > Channel Local/9441922621615@default-e4bb,1 was never answered.
[Jul 23 18:43:10] -- Executing [h@default:1] DeadAGI("Local/9441922621615@default-e4bb,2", "agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----1-----CONGESTION----------") in new stack
[Jul 23 18:43:10] Manager 'sendcron' logged off from 127.0.0.1
[Jul 23 18:43:10] -- SIP/UKOUT-00000050 is circuit-busy
[Jul 23 18:43:10] Everyone is busy/congested at this time (1:0/1/0)
[Jul 23 18:43:10] Auto fallthrough, channel 'Local/9441308862117@default-bdb4,2' status is 'CONGESTION'
[Jul 23 18:43:10] > Channel Local/9441308862117@default-bdb4,1 was never answered.
[Jul 23 18:43:10] -- Executing [h@default:1] DeadAGI("Local/9441308862117@default-bdb4,2", "agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----1-----CONGESTION----------") in new stack
[Jul 23 18:43:10] Manager 'sendcron' logged off from 127.0.0.1
[Jul 23 18:43:10] -- SIP/UKOUT-00000051 is circuit-busy
[Jul 23 18:43:10] Everyone is busy/congested at this time (1:0/1/0)
[Jul 23 18:43:10] Auto fallthrough, channel 'Local/9441823664270@default-11bb,2' status is 'CONGESTION'
[Jul 23 18:43:10] > Channel Local/9441823664270@default-11bb,1 was never answered.
[Jul 23 18:43:10] -- Executing [h@default:1] DeadAGI("Local/9441823664270@default-11bb,2", "agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----1-----CONGESTION----------") in new stack
[Jul 23 18:43:10] == Manager 'sendcron' logged off from 127.0.0.1
[Jul 23 18:43:11] -- AGI Script agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----1-----CONGESTION---------- completed, returning 0
[Jul 23 18:43:11] -- AGI Script agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----1-----CONGESTION---------- completed, returning 0
[Jul 23 18:43:11] -- AGI Script agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----1-----CONGESTION---------- completed, returning 0
[Jul 23 18:43:11] -- AGI Script agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----1-----CONGESTION---------- completed, returning 0
[Jul 23 18:43:11] -- AGI Script agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----1-----CONGESTION---------- completed, returning 0
[Jul 23 18:43:11] -- AGI Script agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----1-----CONGESTION---------- completed, returning 0

I am running asterisk 1.4 Goautodial 3.0
I have already run "sip set debug" and also repaired mysql still the same.

Please help.