[Serusers] Manipulate from_uri

[Java Rockx]

Vitaly, 

I believe you are correct that RPID is only helpful during SIP->PSTN calls.

I'm not real familiar with B2BUA, but if I were to introduce one in to
my system, does that mean I need to have all the RTP traffic pass
through my network as well, or does the B2BUA only deal with SIP
messaging?

Regards,
Paul


On Wed, 23 Feb 2005 10:14:18 -0500, Vitaly Nikolaev
<vitaly at voipsonic.com> wrote:
> 
> The answer is B2BUA
> 
> There actually two ways,
> 
> First is b2bua which is nice (for me ok.. I like it :)
> 
> Second if you assign the CallerID number to device.. the real callerid, (for
> example in my network we use some fake numbers into devices and then change
> it do real callerid (did) in b2bua), then some devices, for example SIPURA,
> can send Anonymous as name in From and Contact and some GWs, will use it and
> hide callerid on outgoing call.
> 
> And third:
> 
> And there are also Remote-Party-Id: field in SIP that partially supported by
> SER and supported by most of GW and carriers, and that is probably RIGHT way
> to do that.
> 
> When PSTN GW sends call to outside of ur network, it no just skip callerid,
> u can do  it but it is wrong, it make it private, so usual ppl will not see
> it but for example 911 and some toll free subscriber will see. That right
> way and that how everybody should do cli blocking.
> 
> What is wrong in this method is that if you call goes from SIP to SIP and
> you use as me fake CLI on devices, customers will see fake numbers because
> as far as I know SIP devices does not support RPID (please correct me if I
> am wrong) so in my case I will have to use combination of N1 and N3..
> 
> 
> -----Original Message-----
> From: serusers-bounces at iptel.org [mailto:serusers-bounces at lists.iptel.org] On
> Behalf Of Java Rockx
> Sent: Wednesday, February 23, 2005 7:20 AM
> To: Klaus Darilion
> Cc: serusers at lists.iptel.org
> Subject: Re: [Serusers] Manipulate from_uri
> 
> Klaus,
> 
> I realize that RFC3261 says do not modify the From header, however, my
> question is this;
> 
> When making SIP-to-SIP calls between two subscribers on the same SIP
> proxy, how can one implement Caller ID Block when RPID is not usually
> honored by SIP UAs - since this is really for PSTN gateways?
> 
> It seems that altering the From header in this case is the only
> option. Have I missed something?
> 
> Regards,
> Paul
> 
> On Wed, 23 Feb 2005 12:00:14 +0100, Klaus Darilion
> <klaus.mailinglists at pernau.at> wrote:
> > Hi Mik!
> >
> > Do not modify the From: or To: URI - this is not allowed (RFC 3261) and
> > will cause problems.
> >
> > regards,
> > klaus
> >
> > Mik Cheez wrote:
> > > Since I'm able to modify the URI for relaying, I would assume there
> > > would be a way to modify the FROM_URI as well.  Has anyone managed to do
> > > this with SER acting as a proxy?  Any other possible avenues to modify
> > > the CALLID?
> > >
> > > Best regards
> > >
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> > >
> > >
> >
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