[Freeswitch-users] adding sip header without X-

[Kristian Kielhofner]

Hello Christian,

  Reading through the code (sofia_glue.c) it looks like all you have
to do is set the alert_info channel variable.  I also don't think you
have to include the X- when using set with sip_h.  It's just always
good (RFC compliant) to prefix "custom" headers with X-.

  Regarding my suggestion for that configuration option/channel
variable.  That was only to be used on bridged channels to make it
configurable which headers FreeSWITCH passes from the a leg to the b
leg when using bridge.  A "proper" B2BUA (according to me) should
completely rewrite the outgoing INVITE, including stripping any custom
headers.

2010/2/3 Christian Löschenkohl <christian.loeschenkohl at xpirio.com>:
> hello
>
> do anybody know a way to add "Alert-Info: <http://www.notused.com>;info=alert-group;x-line-id=0"
> as a custom sip header to the invite message?
>
> <action application="set" data="sip_h_X-Alert-Info=<http://www.notused.com>\;info=alert-internal\;x-line-id=0"/>
> works but "X-Alert-Info" as a header isn't usefull at all
>
> the purpose is to distinguish internal and external calls in a pbx. it is also described here
> http://wiki.snom.com/Web_Interface/V7/Preferences/Alert-Info_Ringer
>
> there was also a posting on the list by Kristian Kielhofner who suggested a very flexible solution
>
> -----
> mail from: 2009-10-09 21:10
>
> 2)  Make the behavior configurable with a channel variable and/or
>     sofia config option: {sip_pass_headers=all|none|X-MyCustomHeaderByName}
> -----
>
> br
>
>
> --
> Ing. Christian Löschenkohl
> Technische Leitung, Forschung & Entwicklung VoIP
>
> xpirio
> Telekommunikation & Service GmbH
> Lakeside B04
> 9020 Klagenfurt
> Austria
>
> T  +43 (0) 5 77 11 - 1000
> F  +43 (0) 5 77 11 - 1002
> E  christian.loeschenkohl at xpirio.com
>
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-- 
Kristian Kielhofner
http://www.astlinux.org
http://blog.krisk.org
http://www.star2star.com
http://www.submityoursip.com
http://www.voalte.com