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

[root linux]

Actually I am connecting the Digium TE110P to another
box which is using National MicroSystems 

So, my config in zaptel.conf should be: -

span=1,0,0,cas,hdb3

Or

span=1,1,0,cas,hdb3

I have no problem connecting to the telco side with
the below setting in zaptel.conf: -

span=1,1,0,cas,hdb3

I can make call through the telco PRI line but if
connect to the National MicroSystems box, I cant make
any call...will get the error message below in
asterisk: -

dial_exec: Unable to create channel of type 'Zap'




--- "Nathan C. Smith" <smith at ipmvs.com> wrote:

> Which side of the span is actually providing the
> clock?  The Asterisk side
> or the other side (telco?)  If it is the telco the
> clock needs to be set to
> '0'.
> 
> Span=1,0,0,cas,hdb3
> 
> -Nate
> 
> -----Original Message-----
> From: root linux [mailto:rootlinux at yahoo.com] 
> Sent: Sunday, August 21, 2005 10:30 PM
> To: asterisk-users at lists.digium.com
> Subject: [Asterisk-Users] Unable to create channel
> of type 'Zap'
> 
> 
> 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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