[Kamailio-Users] Hor to strip() $rU dynamically

[Iñaki Baz Castillo]

2009/3/18 Iñaki Baz Castillo <ibc at aliax.net>:
> Hi, I receive INVITE like this:
>
>  INVITE sip:client_xxx2004 at domain.org SIP/2.0
>
> and I get from an $avp(CLIENT) the value "client_xxx".
>
> I need to strip from $rU the lenght of $avp(CLIENT), this is:
>
>  # Original $rU => client_xxx2004
>  strip($avp(CLIENT));
>  # New $rU      => 2004
>
> Unfortunatelly "strip()" doesn't accept a PV as parameter, but a static integer.

Great, s.substr does allow pv as parameters:

   $(var(x){s.substr,$var(num),0})



-- 
Iñaki Baz Castillo
<ibc at aliax.net>