PJSIP_HEADER not working

Asterisk Asterisk Dialplan
1

Hi everyone.

I have a problem that I’ve been struggling with all morning to solve.
but I haven’t figured it out.

basically I want to differentiate the ringtones of snom phones between internal and external.

I use PJSIP so I have to use pjsip_header.

I have inserted this in my dialplan.

same => n,Set(PJSIP_HEADER(add,Alert-Info)=http://www.notused.com;info=internal;x-line-id=0)
same => n,Dial(PJSIP/101,30)
same => n,Hangup()

but it seems that the PJSIP_HEADER doesn’t work.

in the invite to the phone, I don’t find anything.
as if asterisk refused to send the packet.

where am I going wrong?

thanks everyone

2

PJSIP_HEADER must be run on the B leg channel. In practice this means you must run it from the pre-dial subroutine for the Dial application (“b” option). You currently do not have one configured.

3

You need to use a Dialup handler (with Dial’s b option) and use PJSIP_HEADER from within this handler.

Le jeu. 20 mars 2025 à 12:57, bolognani via Asterisk Community <notifications@asterisk.discoursemail.com> a écrit :

bolognani
March 20

Hi everyone.

I have a problem that I’ve been struggling with all morning to solve.
but I haven’t figured it out.

basically I want to differentiate the ringtones of snom phones between internal and external.

I use PJSIP so I have to use pjsip_header.

I have inserted this in my dialplan.## same => n,Set(PJSIP_HEADER(add,Alert-Info)=http://www.notused.com;info=internal;x-line-id=0)

same => n,Dial(PJSIP/101,30)
same => n,Hangup()

but it seems that the PJSIP_HEADER doesn’t work.

in the invite to the phone, I don’t find anything.
as if asterisk refused to send the packet.

where am I going wrong?

thanks everyone

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4

The documentation site[1] has an example.

[1] PJSIP_HEADER - Asterisk Documentation