First I have heard of it. Wayne From: FreeSWITCH-users [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of igor.potjevlesch@gmail.com Sent: Thursday, April 12, 2018 8:57 AM To: 'FreeSWITCH Users Help' Subject: [Freeswitch-users] RPID replaced by P-Prefered-Identity Hello, I have a strange case: a customer who uses a Cisco IP Phone places a call with Remote-Party-Id. The core network adds P-Asserted-Identity. So, when the INVITE reach Freeswitch, he has 1 PAI and 1 RPID. Freeswitch strips both and replaces with PPI. Any idea how to fix it and keep only PAI? Interfaces are setup with pid as caller id and before bridging the call, I do: <action application="unset" data="sip_h_Remote-Party-ID"/> Regards, Igor.