asterisk users - Jul 2006 - MWI from Octel to Asterisk

Hi all.

We are in the process of doing some VoIP testing with the intent to eventually 
replace our 5ESS phone switch.

However, during the transition period, we'd like to be able to use our 
existing voicemail system which is Octel.  It's pretty easy to figure out
how
to change the dialplan to send unanswered calls to the Octel VM system, but 
is there any way to retrieve MWI from it from within Asterisk.  We have ISDN 
phones that have a Message Light that we don't want to break.

Any hints would be appreciated.

Mike.

2006/7/26, Mike Diehl <mdiehl@diehlnet.com>:
>
> We have ISDN phones that have a Message Light that we don't want to
break.

Hi Mike,

How will these phones be connected ?

Regards
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When we were first looking at Asterisk, I explored some options of
integrating our existing Octel voicemail systems with it.  The only
possible way I could come up with (understanding that I am by no means
an Octel expert) was DTMF inband integration.  The most difficult part
seemed to be fabricating the SIP messages for MWI, but that can be done
with sipsak without too much pain.

In the end we didn't do that and just used Asterisk's voicemail, so I
don't have any working configs for you.  But it seemed quite plausible
at the time with a bit of effort.

Regards,
- Brad

-----Original Message-----
From: asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of Mike Diehl
Sent: Thursday, July 27, 2006 11:01 PM
To: asterisk-users@lists.digium.com
Subject: Re: [asterisk-users] MWI from Octel to Asterisk

I'm afraid I wasn't very clear on this point.  Our customers CURRENTLY
have ISDN phones that they are used to and quite happy with.

When we roll out VoIP, we will probably replace these phones with VoIP
phones.  
But since our customers are used to the MWI, we need to be sure we can
retain that functionality.

BTW, the Octel is connected to the 5ESS via T1, as will the Asterisk
server.

Hope this helps you help me.

Thank you,
Mike.

On Wednesday 26 July 2006 10:57, Olivier wrote:
> 2006/7/26, Mike Diehl <mdiehl@diehlnet.com>:
> > We have ISDN phones that have a Message Light that we don't want
to
> > break.
>
> Hi Mike,
>
> How will these phones be connected ?
>
> Regards
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