[OpenSIPS-Users] Pass calls to another realm via gateway

[Iñaki Baz Castillo]

El Lunes, 2 de Noviembre de 2009, Alexander escribió:
> > That's right. However I don't know why a proxy should remove the From
> > display name. If you are routing the request to a PSTN gateway and you
> > have UDP size issues then it's ok, but if not...
> 
>   Yes,  because  of  our gateway. For example, X-Lite inserts name to
>  "From", if number   presents   in   address  book and we get something
>  like "From: "person" <sip:xxx at domain.com>". So, because of two reasons (we
>  are not interested in such info,  and UDP size  issue  is  critical)  we
>  can  chop it (in our case, but for somebody else it may be unacceptable).

It makes sense :)

 
> > I didn't mean that. Instead I meant that your regular expression would
> > work for the following From headers:
> >
> > subst("/^From: \".+\" (<sip: *[a-zA-Z0-9_\.-]+ at .*>)/From: \1/ig");
> >
> > a) From: sip:alice at domain.org;tag=qweqwe
> > b) From:<sip:alice at domain.org>;tag=qweqwe
> > c) From: <sip:user;aaa=bbb at domain.org>;tag=qweqwe
> > d) From: <tel:+12345678>;tag=qweqwe
> >
> > a) fails because it doesn't use < >.
> 
>   It's   ok,  it  doesn't contain person's name in quotation marks, which
>  should stand before "<". Nothing to chop.

Right. My fault.

 
> > b) fails because there is no space between "From:" and SIP URI.
> 
>   Almost  as  a) By  the way, our gateway doesn't accept such "From"
>  headers. It doesn't like "<" and ">" signs, when there is no person name.

Doesn't it accept a correct header like "From: 
<sip:alice at domain.org>;tag=qwe"?? It's widely even if it doesn't contain 
person name!




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