[asterisk-dev] [Code Review] Patch to detect/parse ANI-II / ANI2 / OLI from SIP INVITE messages

[Rob Gagnon]

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https://reviewboard.asterisk.org/r/1947/
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(Updated May 30, 2012, 12:04 p.m.)


Review request for Asterisk Developers, Mark Michelson, rmudgett, and Rob Gagnon.


Changes
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New patch with protection from null pointers as input parameters.


Summary
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Add ANI2 / OLI parsing for SIP.  The patch checks the "From" header during the handle_request_invite() function for the presence of "isup-oli", "ss7-oli", or "oli" tags.  If present, the up-to-2-digits following the equal sign in the tag are set on the channel's caller structure in the "ani2" int element.

This allows SIP functions that reference ANI2 to work properly for SIP.  Specifically tested was the messaging that occurs when AGI transmits its data to an AGI script.


This addresses bug ASTERISK-19912.
    https://issues.asterisk.org/jira/browse/ASTERISK-19912


Diffs (updated)
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  /trunk/channels/chan_sip.c 367975 

Diff: https://reviewboard.asterisk.org/r/1947/diff


Testing
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Call processing via AGI call in dial plan which logs all AGI incoming values was executed from cell phone, land line, and payphone.  During the payphone call, the value of "agi_callingani2" was properly transmitted as "7" while the others were "0"


Thanks,

Rob

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