How to insert P-Preferred-Identity header

Asterisk Asterisk SIP
1

I would like to insert P-Preferred-identity header into a single INVITE. I have searched high & low for this. SIPADDHeader gets “no such application found”. Version 16.23.0 plain vanilla CLI pjsip

2

SIPAddHeader is a chan_sip application.
When using pjsip you should use the PJSIP_HEADER function.

https://wiki.asterisk.org/wiki/display/AST/Asterisk+16+Function_PJSIP_HEADER

3

Thank you. Your answer led me to a simple solution once I saw that the PJSIP_HEADER add must be inside a pre-dial handler.

4

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