AGI variables being wrong

[Mikhail Lischuk <mlischuk@xxxxxxxxxx>]

Greetings!

I have the following line in features.conf:
parse => *9,peer/both,AGI,/etc/asterisk/agi/map.pl

What that script does is parsing AGI variables and doing some things based on them, nothing special.

During outgoing call, those variables get messed up. Let's look at an example: number 404 calls 2010000, it is being routed over PRI line. When 'agi debug' is active, one can see what parameters are being fed to script:

AGI Tx >> agi_request: /etc/asterisk/agi/map.pl
AGI Tx >> agi_channel: Zap/63-1
AGI Tx >> agi_language: en
AGI Tx >> agi_type: Zap
AGI Tx >> agi_uniqueid: 1322049810.4307
AGI Tx >> agi_callerid: 0442010000
AGI Tx >> agi_calleridname: unknown
AGI Tx >> agi_callingpres: 3
AGI Tx >> agi_callingani2: 0
AGI Tx >> agi_callington: 0
AGI Tx >> agi_callingtns: 0
AGI Tx >> agi_dnid: 481
AGI Tx >> agi_rdnis: unknown
AGI Tx >> agi_context: from_pstn
AGI Tx >> agi_extension:
AGI Tx >> agi_priority: 1
AGI Tx >> agi_enhanced: 0.0
AGI Tx >> agi_accountcode:

Looking at the callerid and dnid being swapped, one can say that for some reason Asterisk sees this call as incoming from PRI (context kind of approves this). I gave it lots of thinking, and the only conclusion I could come to was - it's because I run my application on 'peer'. But it's not a problem, as I could just swap them back in my script. The problem is, as you can see, our dnid is 481, however we are calling from 404. And moreover - each time I try to call, I get different dnid, like 401, 408 and so on. I thought that it could be last called number on PRI - but it is not.
If the call is really incoming (comes from PSTN) - all variables get passed correctly, and my script is happy. When I issue 'show channel' command during active call, I see that variables are incorrect in Asterisk on A-leg (i.e. SIP/404-someid), and variables are correct on B-leg (i.e. ZAP/63-1 in our example).

Is that some bug, or misconfiguration, or maybe wrong programming?

 

-- 
With Best Regards
Mikhail Lischuk

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