Unable to dial call hangup - Channel 0/1, span 1 got hangup

[vijaymuddu]

Unable to dial call hangup

Dailer0*CLI> dial 88001008424017858@default
-- Channel 0/1, span 1 got hangup request, cause 31
-- Hungup 'DAHDI/1-1'
== Everyone is busy/congested at this time (1:0/0/1)
-- Executing [88001008424017858@default:3] Hangup("Console/dsp", "") in new stack
== Spawn extension (default, 88001008424017858, 3) exited non-zero on 'Console/dsp'
-- Executing [h@default:1] DeadAGI("Console/dsp", "agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----31-----CHANUNAVAIL----------") in new stack
-- AGI Script agi://127.0.0.1:4577/call_log--HVcauses ... ---------- completed, returning 0
<< Hangup on console >>
== Parsing '/etc/asterisk/manager.conf': Found
== Manager 'sendcron' logged on from 127.0.0.1
== Parsing '/etc/asterisk/manager.conf': Found
== Manager 'sendcron' logged on from 127.0.0.1
== Manager 'sendcron' logged off from 127.0.0.1

[vijaymuddu]

Issue resolved after changing dial plan