[Freeswitch-users] Detecting payphone

[Brian Fertig]

Yes that is fairly simple.  Its called OLI your upstream provider would
pass these digits to you.   From there you can use channel variable to get
the information.



The OLI digits you are looking for are 23 and 27 I believe.







----

Brian Fertig

Director of IT

Telstar Hosted Services

Office: 877.483.5782

Direct: 720.505.4607

Cell: 434.420.5324



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*"Your Call Center in the Cloud"*



*From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Phil Kim
*Sent:* Tuesday, August 14, 2012 5:19 PM
*To:* FreeSWITCH Users Help
*Subject:* [Freeswitch-users] Detecting payphone



Hi all,



Question might sounds odd but is there any way to detect if a call is
coming from a ‘payphone’?



We have an IVR system which people call in to check in/out of there work.
Some calls are coming from a ‘payphone’.



Problem is our carrier is charging us a huge ‘surcharge’ on those calls
maid from ‘payphone’. We would like to block those calls but not sure how
to detect them.



Is there any flag on SIP messages?



Thank you in advance.



Best regards,



Phil H. Kim

Software Engineer

*VALIANT *Workforce Solutions

phil.kim at valiant.com

www.valiant.com

516-224-1908



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