sip_h_Referred-By
Created by Ryan Harris, last modified on 2018.02.08
sip_h_Referred-By
string This is the line Referred-By
in the SIP message. It may be set on a transfer to a number, which then bridges somewhere else.
Usage
<action application="set" data="sip_h_referred-by=000@domain.com"/>
If you wish to unset it, you can use:
<action application="unset" data="sip_h_referred-by"/>