-- Started music on hold, class 'default', on Zap/7-1
-- Executing [7142804204@users:1] Dial("SIP/179-08211ff8", "Zap/g2/7142804204") in new stack
[Mar 25 16:58:19] WARNING[6827]: app_dial.c:1106 dial_exec_full: Unable to create channel of type 'Zap' (cause 34 - Circuit/channel congestion)
== Everyone is busy/congested at this time (1:0/1/0)
== Parsing '/etc/asterisk/manager.conf': Found
== Parsing '/etc/asterisk/manager.d/op-panel.conf': Found
== Parsing '/etc/asterisk/users.conf': Found
[Mar 25 16:58:22] NOTICE[6830]: manager.c:1015 authenticate: 127.0.0.1 tried to authenticate with nonexistent user 'admin'
== Connect attempt from '127.0.0.1' unable to authenticate