[asterisk-users] Checking SIP Headers existence and content

[Jayson Baker]

Favorites?  voip-info.org should be your homepage.

On Thu, Oct 7, 2010 at 9:26 AM, Administrator TOOTAI <admin at tootai.net>wrote:

> Le 05/10/2010 05:13, VoIP Question a écrit :
> > Hello,
>
> Hi
>
> >
> > I would like to verify if a specific SIP header exists, and if yes,
> > extract the partial content from another header.
> >
> > 1. Is there a way to verify if a specific header exists?
> > 2. How do I extract data that is between the first : and the following
> > @? Specifically, The data looks like <sip:1234567890 at 10.0.0.1:5060
> > <http://sip:1234567890@10.0.0.1:5060>> and I would like to get only
> > the 1234567890
>
> Something like
>
> exten => s,1,Set(__DIALEDNUMBER=${SIP_HEADER(TO):5})
> exten => s,n,Set(__DIALEDNUMBER=${CUT(DIALEDNUMBER,@,1)})
> exten => s,n,GotoIf($["${DIALEDNUMBER:0:1}" != "+"]?numberIsOK)
> exten => s,n,Set(__DIALEDNUMBER=${CUT(DIALEDNUMBER,+,2)})
>
> Take a look here
>
> http://www.voip-info.org/wiki/view/Asterisk+func+sip_header
>
> voip-info.org should be in your favorites ;-)
>
> --
> Daniel
>
> --
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