[Serusers] Iconnect

[Maxim Sobolev]

On Tue, Mar 25, 2003 at 10:57:29AM +0100, Jan Janak wrote:
> On 25-03 01:47, Maxim Sobolev wrote:
> > On Mon, Mar 24, 2003 at 05:22:27PM -0500, Ricardo Villa wrote:
> > > Hi,
> > > 
> > > I was wondering if something like this could be possible with SER:
> > > 
> > > If we use SER as the SIP server for a small company and they wanted to have
> > > access to a SIP PSTN Gateway, could we just open an account with Iconnect or
> > > Vonage and have all the company's PSTN traffic be redirected to the Iconnect
> > > SIP gateway by SER (SER would have to rewrite the INVITE so that the
> > > originator has the username/password of the account that we setup).
> > > 
> > > In the eyes of Iconnect or Vonage the calls would be coming in from one
> > > user(the account that we opened).
> > > 
> > > I know this is a little extreme but seeing that SER can rewrite and
> > > manipulate so many other things, maybe it could do this as well.
> > 
> > With some UAs allowing to have login id different from user id (such as
> > ata 186) you should be able to do it by configuring all your UAs with
> > the same login id/password, but with different user ids.
> > 
> > You will be unable to do it transparently in the SER, because SER isn't
> > call stateful, while handling SIP digest authorization requres it to be
> > so.
> 
>   May I ask you why digest authentication requires ser to be call
>   stateful ?

Because you have to properly increase cseq number not only in authorized
INVITE but in all subsequent requests within a dialog.

-Maxim