[Freeswitch-users] Detecting payphone

[Bob Coleman]

Hi Phil, We run the same sort of service as you, and have faced the same issue. In some countries they provide you with a list of all payphones, not sure whether the US does, but we found that to be the easiest way to record the surcharge. Bob
 Date: Tue, 14 Aug 2012 17:19:02 -0400
From: phil.kim at valiant.com
To: freeswitch-users at lists.freeswitch.org
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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