[asterisk-users] PRI E1 Inbound calls hangup with busy after a few seconds

[Daniel Johnson]

Matthew Fredrickson wrote:

>Daniel Johnson wrote:
>  
>
>>Hi,
>>
>>I have a 10 line PRI E1 ISDN service from AAPT. Connected to Asterisk 
>>1.4 via a Digium TE121P.
>>
>>All oubound calls work fine.
>>
>>Inbound works only if I Dial a SIP phone directly or as the first step. 
>>This phone MUST NOT be busy or else the call will fail.
>>    
>>
>
>It would appear that your zapata.conf is incorrect.  One of your 
>problems (and maybe all of them) is that it looks like you used the 
>spanmap and trunkgroup way to setup your PRI.  This is *ONLY* supposed 
>to be used for NFAS PRIs (where you have multiple trunks per PRI). 
>There is some tricky code in there which, when configuring using those 
>parameters, causes it to send the channel ID in an NFAS friendly manner 
>(which most non NFAS configured switches do not appreciate).
>
>Instead, comment out any trunkgroups or spanmaps you may have setup in 
>zapata.conf, and do as follows:
>
>signalling=pri_ ; where pri_ is either pri_net or pri_cpe
>channel=1-23 ; or whatever your channels are associated with the PRI.
>
>Matthew Fredrickson
>Digium, Inc.
>
>  
>
Hi Matthew,

Removing the trunkgroups and spanmaps has resolved this issue.

Thanks

*Daniel Johnson*
Systems Administrator / Systems Development
Scanning Systems Australia


*Office:* +61 7 3387 5555
*Facsimile:* +61 7 3387 5588
*E-mail:* dan.j at scanningsystems.com.au <mailto:dan.j at scanningsystems.com.au>
*Website:* http://www.scanningsystems.com.au

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