[VoiceOps] Billing of Forwarded Calls

Scott Berkman scott at sberkman.net
Wed Nov 11 14:57:10 EST 2009

Many platforms don't support authentication on SIP trunks.




From: Lee Riemer [mailto:lriemer at bestline.net] 
Sent: Wednesday, November 11, 2009 1:15 PM
To: Scott Berkman
Cc: voiceops at voiceops.org
Subject: Re: [VoiceOps] Billing of Forwarded Calls


If you authenticate the invite, can't you use the username to bill?

Scott Berkman wrote: 

So how do most of you deal with billing of forwarded calls (specifically
where the calling number on the forwarded leg is using the original calling
number from the inbound leg) in a SIP environment when the originally called
number is not preserved in the new invite?  In this case there is no way to
match the calling or called number to a specific customer.


Do you bill by IP address or interface instead?  Do you somehow use a system
that correlates the forwarded leg to the original inbound leg?  I've come
across this issue a few different times when trying to bill off of SIP
messaging logs, for instance radius off a SIP SBC or SQL logs from SER.







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