Hi,

Swapping the From and To URIs headers when sending an in-dialog request (such 
as a BYE) from callee to caller is not a but, but the protocol-compliant way to 
do things. :-)

Lots of possibilities for saving original values if so desired. Dialog 
variables ($dlg_var(...)) are probably the easiest. I prefer to persist this 
stuff in the database by writing an initial CDR row on the initial invite and 
only updating it thereafter.

-- Alex

> On Aug 22, 2017, at 4:30 PM, y...@yu-boot.ru wrote:
> 
> Have a problem with Asterisk. When callee behind Asterisk hangs up first, it 
> sends back BYE with swapped From and To fields, which affects Kami CDRs 
> rendering them useless. I've tried to save original From/To to AVPs on 
> initial INVITE but they are empty when CDR is written. How to solve this?
> 
> --
> Отправлено из myMail для Android
> 
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