GOautodial Open Source Omni-channel Contact Center Suite

Hi i am using Goautodial 3.3 Version.I am facing issue with Dial mode - Auto.
Manual dial working fine.Auto dial is not connecting call to agent. ist automatically disconnect after attending call.

My dial Plan;
exten => _X.,1,Dial(dahdi/g0/${EXTEN:1},,tTo)
exten => _X.,2,Hangup()

Auto Dial Log

[Jul 22 08:22:09] -- Executing [009446129282@default:1] Dial("Local/009446129282@default-000000de;2", "dahdi/g0/09446129282,,tTo") in new stack
[Jul 22 08:22:09] -- Requested transfer capability: 0x00 - SPEECH
[Jul 22 08:22:09] -- Called dahdi/g0/09446129282
[Jul 22 08:22:09] Manager 'sendcron' logged on from 127.0.0.1
[Jul 22 08:22:09] -- Executing [009650927092@default:1] Dial("Local/009650927092@default-000000df;2", "dahdi/g0/09650927092,,tTo") in new stack
[Jul 22 08:22:09] -- Requested transfer capability: 0x00 - SPEECH
[Jul 22 08:22:09] -- Called dahdi/g0/09650927092
[Jul 22 08:22:09] -- DAHDI/i1/09446129282-95 is proceeding passing it to Local/009446129282@default-000000de;2
[Jul 22 08:22:09] -- DAHDI/i1/09650927092-96 is proceeding passing it to Local/009650927092@default-000000df;2
[Jul 22 08:22:10] -- DAHDI/i1/09650927092-96 is making progress passing it to Local/009650927092@default-000000df;2
[Jul 22 08:22:11] -- DAHDI/i1/09446129282-95 is making progress passing it to Local/009446129282@default-000000de;2
[Jul 22 08:22:15] -- DAHDI/i1/09446129282-95 is ringing
[Jul 22 08:22:15] -- Span 1: Channel 0/2 got hangup request, cause 31
[Jul 22 08:22:15] -- Hungup 'DAHDI/i1/09650927092-96'
[Jul 22 08:22:15] Everyone is busy/congested at this time (1:0/0/1)
[Jul 22 08:22:15] -- Executing [009650927092@default:2] Hangup("Local/009650927092@default-000000df;2", "") in new stack
[Jul 22 08:22:15] Spawn extension (default, 009650927092, 2) exited non-zero on 'Local/009650927092@default-000000df;2'
[Jul 22 08:22:15] -- Executing [h@default:1] AGI("Local/009650927092@default-000000df;2", "agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----31-----CHANUNAVAIL----------") in new stack
[Jul 22 08:22:16] -- <Local/009650927092@default-000000df;2>AGI Script agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----31-----CHANUNAVAIL---------- completed, returning 0
[Jul 22 08:22:16] Manager 'sendcron' logged off from 127.0.0.1
[Jul 22 08:22:19] -- DAHDI/i1/09446129282-95 answered Local/009446129282@default-000000de;2
[Jul 22 08:22:19] > Channel Local/009446129282@default-000000de;1 was answered.
[Jul 22 08:22:19] Manager 'sendcron' logged off from 127.0.0.1
[Jul 22 08:22:19] -- Executing [8368@default:1] Playback("Local/009446129282@default-000000de;1", "sip-silence") in new stack
[Jul 22 08:22:19] -- <Local/009446129282@default-000000de;1> Playing 'sip-silence.gsm' (language 'en')
[Jul 22 08:22:19] -- Executing [h@default:1] AGI("Local/009446129282@default-000000de;2", "agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----16-----ANSWER-----10-----0") in new stack
[Jul 22 08:22:19] -- Executing [8368@default:2] AGI("DAHDI/i1/09446129282-95", "agi://127.0.0.1:4577/call_log") in new stack
[Jul 22 08:22:19] -- <DAHDI/i1/09446129282-95>AGI Script agi://127.0.0.1:4577/call_log completed, returning 0
[Jul 22 08:22:19] -- Executing [8368@default:3] AGI("DAHDI/i1/09446129282-95", "agi-VDAD_ALL_outbound.agi,NORMAL-----LB") in new stack
[Jul 22 08:22:19] -- Launched AGI Script /var/lib/asterisk/agi-bin/agi-VDAD_ALL_outbound.agi
[Jul 22 08:22:20] -- <Local/009446129282@default-000000de;2>AGI Script agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----16-----ANSWER-----10-----0 completed, returning 0
[Jul 22 08:22:20] Spawn extension (default, 009446129282, 1) exited non-zero on 'Local/009446129282@default-000000de;2'
[Jul 22 08:22:29] -- <DAHDI/i1/09446129282-95>AGI Script agi-VDAD_ALL_outbound.agi completed, returning 4
[Jul 22 08:22:29] Spawn extension (default, 8368, 3) exited non-zero on 'DAHDI/i1/09446129282-95'
[Jul 22 08:22:29] -- Executing [h@default:1] AGI("DAHDI/i1/09446129282-95", "agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----0---------------") in new stack
[Jul 22 08:22:29] -- &lt;DAHDI/i1/09446129282-95&gt;AGI Script agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----0--------------- completed, returning 0
[Jul 22 08:22:29] -- Hungup 'DAHDI/i1/09446129282-95'
[Jul 22 08:22:29] Manager 'sendcron' logged on from 127.0.0.1
[Jul 22 08:22:29] == Manager 'sendcron' logged off from 127.0.0.1