[Serusers] call forwarding and *21

[Frank Fischer]

*21 is a well known network service in POTS. There is a common way how to
set, active and deactivate this kind of service using an user terminal (i.e.
sip phone).
On the network service part (i.e. in ser) you would "simply" have to write a
small app that handles these kind of calls, processes what ever is needed to
be done (i.e. store the redirect number to the database) and then
rewrite/reroute the call to an annoucement server (to let the user know, if
the changes took place or not).
In addition, the ser routing would need to get extended to read a user's
redirection data (on/off, where to route to in case of on) and
rewrite/reroute if needed.
The same mechanism may also be used to handle voice mail redirection.

If some is interested in implementing such kind of feature, i would be
willing to support (mainly by conceptional and testing work).

-Frank



> -----Original Message-----
> From: serusers-bounces at lists.iptel.org 
> [mailto:serusers-bounces at lists.iptel.org] On Behalf Of sip
> Sent: Wednesday, November 16, 2005 3:47 PM
> To: kyriakos at otenettel.com; serusers at lists.iptel.org
> Subject: Re: [Serusers] call forwarding and *21
> 
> If you do a search on the list, I THINK I posted a way to do 
> call forwarding
> (the way I was doing it anyway)... there are likely other 
> ways. How are you
> going to take input for the forwarding, though? 
> 
> Will they dial *21 and it will forward to something they've 
> predefined on a
> website somewhere? Will they dial *21 and then the number to 
> which they want
> to forward? How do you turn it off? Etc, etc. 
> 
> N.
> 
> 
> On Wed, 16 Nov 2005 16:44:15 +0200, Kyriakos Mavromichalis wrote
> > Can someone point me to any resources on how to implement services 
> > like callforwarding by pressing  *21 through the users' UA? 
> > Basically I need my users to be able to activate different services 
> > via the phone's keys.
> > 
> > thank you
> > -- 
> > Kyriakos Mavromichalis	
> > Otenet Telecom
> > 
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> > serusers at lists.iptel.org
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> 
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