[Asterisk-Users] Unable to create channel of type 'Zap'

[root linux]

My zaptel.conf config: -

# Below setting is for E1
span=1,1,0,cas,hdb3
bchan=1-15 
bchan=17-31 
dchan=16 

loadzone = us
defaultzone=us


My zapata.conf config: -

# Below setting is for E1
switchtype = national
signalling = pri_cpe
group = 1
channel => 1-15
channel => 17-31

My extension.conf config: -

[default]
exten => 181,1,Dial(Zap/1/181)

When I perform a dailing from my SIP Phone, I got the
error message as below: -

    -- Executing Dial("SIP/1183000001-6f4e",
"Zap/1/181") in new stack
Aug 22 11:03:02 NOTICE[9023]: app_dial.c:764
dial_exec: Unable to create channel of type 'Zap'
  == Everyone is busy/congested at this time


I am beginner...How to solve this?




		
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