asterisk users - Jun 2005 - ser --> sip.conf --->extensions.conf, variable context

Hi

If I have ser sending calls to asterisk, is there a way to get a 
different block called in sip.conf for each call (based on some 
variable, NOT username, From:), if not and they all hit one block which 
has contect=abc, then when that context is called/matched in 
extensions.conf,  how can I have diff features for various groups of users.

EG lets say I have a large company with 4 departments (not so large), or 
even 4 separate companies who are on VoIP

Now they all have there own dialplans, some want voicemail, some may 
not, others may want to use call pickup, and group calling, in order to 
stop them picking up each others calls, I think I would need them to sit 
in their own contexts within extensions.conf, and so there own 
extensions can all be defined on their internal criteria.

Or is there a better way of doing this, in short how can I restrict one 
group of user and prevent them from interfering with the others, without 
having a separate asterisk box for each user, has anyone used asterisk 
in a multiple company hosted setup

tks
Iqbal

I've just submitted this as a Slashdot story, too.
I have absolutely no connection with any of the principals, I just think they
are doing the right thing.   This could have a major impact on the Asterisk
community, and VoIP usage in general.

Michael Robertson, of mp3.com fame, has been battling for open standards in the
IP telephony world, in addition to his better-known Lindows (now Linspire, at
http://www.linspire.com) venture to promote Linux on the desktop.  His
sipphone.com VoIP operation works great for me, but Michael has been long
concerned about the totally closed and proprietary nature of Skype (as well as a
lot of the misleading hype surrounding it).

Today his crew released "Gizmo" (at "http://www.gizmoproject.com)
(a tentative
name until a better one is found) which has the main benefits of Skype, PLUS it
is layered upon SIP, DUNDI, and the existing sipphone.com infrastructure,
meaning it is fully interconnectable to the world by obvious and nonobvious
techniques, Asterisk being on the top of the obvious charts...  This is
certainly what I've been waiting for, being totally cheesed by the
smarminess of
Skype and its founders. "Open Standards" is one of the most abused
concepts this
side of Lake Washington, but this comes pretty damn close!

Well this seems doable although can extensions be contexted?  Meaning
that can you have an extension of 100 for company A and the same for
company B?

Scott.

On 6/30/05, Iqbal <iqbal@gigo.co.uk> wrote:
> Hi
>
> If I have ser sending calls to asterisk, is there a way to get a
> different block called in sip.conf for each call (based on some
> variable, NOT username, From:), if not and they all hit one block which
> has contect=abc, then when that context is called/matched in
> extensions.conf,  how can I have diff features for various groups of users.
>
> EG lets say I have a large company with 4 departments (not so large), or
> even 4 separate companies who are on VoIP
>
> Now they all have there own dialplans, some want voicemail, some may
> not, others may want to use call pickup, and group calling, in order to
> stop them picking up each others calls, I think I would need them to sit
> in their own contexts within extensions.conf, and so there own
> extensions can all be defined on their internal criteria.
>
> Or is there a better way of doing this, in short how can I restrict one
> group of user and prevent them from interfering with the others, without
> having a separate asterisk box for each user, has anyone used asterisk
> in a multiple company hosted setup
>
> tks
> Iqbal
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