[Kamailio-Users] Kamalio Support for RFC 3323 " Privacy"

[ingdavidcespedes at cable.net.co]

----- Mensaje original -----
De: ingdavidcespedes at cable.net.co
Fecha: Jueves, Diciembre 11, 2008 4:43 pm
Asunto: Re: [Kamailio-Users] Kamalio Support for RFC 3323 " Privacy"

> 
> 
> ----- Mensaje original -----
> De: Alexandr Dubovikov <voip at start4.info>
> Fecha: Viernes, Diciembre 5, 2008 1:13 pm
> Asunto: Re: [Kamailio-Users] Kamalio Support for RFC 3323 " Privacy"
> 
> > Iñaki Baz Castillo пишет:
> > > El Viernes, 5 de Diciembre de 2008, Juha Heinanen escribió:
> > >   
> > >> if caller needs privacy, then it is up to the UA to send 
> > anonymous from
> > >> header together with p-p-i and privacy headers.
> > >>     
> I Think this is wrong. The UA should ask for the privacy services, 
> an the proxy must offer this services. This means it must rewrite 
> the information that the UA is willing to keep private with 
> anonymous information, and keep track of it, so it can be replaced 
> when the response is received.

SORRYYYYYYY, you were right. What i'm trying to say is that if the UA insert the p-p-i and privacy headers, the proxy should understand this and do what I say above.
> > >
> > > That would be so cool... Unfortunatelly I just know a SIP phone 
> > implementing 
> > > it: Twinkle.
> > >
> > > Other phones (as Linksys) when the user enables privacy during 
> a 
> > call, just 
> > > set the From Display-Name with "Anonymous" value, while the 
> From 
> > username 
> > > remains the real :(
> > >
> > >   
> > Yep, some UAC set "Anonymous" only in Display Name. But u can fix 
> > it 
> > using this code:
> > 
> > $var(url) = $fu;
> > if(is_present_hf("Privacy") && ($hdr(Privacy)=="id" || 
> > $hdr(Privacy)=="user") && search("(From|f):\s*\"?anonymous")) {
> > uac_replace_from("Anonymous","sip:anonymous at anonymous.invalid");
> > if(!is_present_hf("P-Asserted-Identity")) { 
> > append_hf("P-Asserted-Identity: <$var(url)>\r\n"); };
> > }
> 
> This is what i'm talking about!!!!, but you should check also if 
> the message already have a P-Asserted-Identity that was generated 
> before and remove it. 
> 
> And how it will know to which transaction it corresponds when the 
> response message comes. It will use the branch id, and the tags? It 
> doesn't matter that some URIs have been replaced with anonymous 
> information?
> There should be an easier way to do this. 
> > 
> > 
> > With best regards,
> > 
> > -- 
> > 
> > Alexandr Dubovikov * baron at iRC RusNet * shurik at start4.info
> >    AD1-UANIC      *  ICQ: 122351182  *  http://www.start4.info
> > 
> > 
> > 
> > _______________________________________________
> > Users mailing list
> > Users at lists.kamailio.org
> > http://lists.kamailio.org/cgi-bin/mailman/listinfo/users
> > 
> 
> 
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