[Asterisk-Users] Re: How to specify when to go to 102 priority

[yusuf]

Steve Davies wrote:
> 
> On 31 Oct 2005, at 08:25, yusuf wrote:
> 
>> Hi all,
>>
>> I currently have this configuration.
>>
>> exten => _X.,1,Dial(SIP/${EXTEN:1}@192.168.0.200:5060)
>> exten => _X.,102,Set(PRI_CAUSE=42)
>> exten => _X.,103,Hangup()
>>
>>
>> I have an Asterisk box connected via E1/PRI to Siemens PBX.  The  
>> siemens PBX sends my Asterisk box all cell phone call, and from the  
>> Asterisk box I dial SIP to a SIM gateway.  I am trying to implement  a 
>> fail-over, as in where the sims are not working, etc, then I send  a 
>> PRI_CAUSE back to the PBX.  However, this works in some cases,  i.e. 
>> when I get a 'No circuit available' - 503 Service unavailable  then it 
>> goes to the 102 priority.  But it does not go to the 102  priority on 
>> ' 488 Not Acceptable Here' .
>>
>> So my question is how to I make it go to priority 102 whenever it  
>> fails in priority 1
>>
>> Any ideas??
> 
> HI Yusuf,
> 
> The "jump to exten+101" logic is now actually deprecated in CVS-HEAD  
> and 1.2-to-be.  Nowadays we would just test the value of DIALSTATUS  
> after the dial.
> 
> But if your requirement is simply that every time the dial fails for  
> whatever reason you want to send back cause code 42, then the  solution 
> is very simple:
> 
> 
>> exten => _X.,1,Dial(SIP/${EXTEN:1}@192.168.0.200:5060)
>> exten => _X.,2,Set(PRI_CAUSE=42)
>> exten => _X.,3,Hangup()
>>
> 
> Asterisk only branches to the "+101" if it actually exists.  So this  
> will trap all returns from Dial.
> 
> If you want, or it proves necessary, you can also inspect DIALSTATUS  to 
> see what happened and do different things.
> 
> Here's how its commonly done:
> 
>> exten => _X.,1,Dial(SIP/${EXTEN:1}@192.168.0.200:5060)
>> exten => _X.,2,Goto(pd-${DIALSTATUS},1)
>> exten => pd-BUSY,1,...
>> exten => pd-NOANSWER,1,...
>> etc...
> 
> 
> 
> 
> Steve
> 
> 
thanks steve, helps a million.