[OpenSIPS-Users] How to extract SIP-I ISUP 'Redirecting number' parameter

Eugene Prokopiev enp at itx.ru
Wed Mar 28 11:32:18 EDT 2018


I need to extract ISUP parameter 'Redirecting number' from SIP-I
INVITE request and add it as SIP header with 'X-' prefix to process in
FreeSWITCH. Can't found any about 'Redirecting number' in
http://www.opensips.org/html/docs/modules/2.3.x/sip_i.html, so how to
extract it? 'Redirecting number' parameter value is visible in
Wireshark now as ISUP parameter with t=11 and l=7

Eugene Prokopiev

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