Please Disregard. I found the solution.
In case anyone else runs into this, use (CHANNEL(pjsip,call-id)) and not the
PJSIP_HEADER(read, ...)
From: asterisk-users On Behalf Of Dan
Cropp
Sent: Thursday, August 23, 2018 9:32 AM
To: asterisk-users@lists.digium.com
Subject: [asterisk-users] How
Using chan_sip, we are able to retrieve the Call-ID using the SIPCALLID channel
variable. This works for both inbound and outbound (Originated) calls.
For PJSIP this variable doesn't get set. Instead, for inbound calls we
retrieve the Call-ID from the INVITE packet using the
