[asterisk-users] MWI from Asterisk to Meridian

[Johann Steinwendtner]

May be you can build an application which controls the background 
terminal of the Meridian. (This would be a serial connection to the M1)
This application sends background commands like: se mw 3000.
This could be a try.

Best regards

Hans

Andrew Kohlsmith schrieb:
> Please keep responses to the list, so this can help everyone.
> 
> On Tuesday 01 August 2006 09:26, you wrote:
> 
>>Thak you for you response. My interconection between Asterisk (Voicemail)
>>and my meridian is througth PRI T1, so the only stuff that i can't activate
>>is the light in the meridian digital phones, i understand the asterisk see
>>those phones like a external devices, but i don't know is somebody create o
>>modify the SIP MWI and generate TDM messages to meridian.
> 
> 
> This isn't about modifying Asterisk to work with the Meridian.  This is about 
> the Meridian simply having no way to accept that information from an external 
> trunk.  There are VM message centers but they are extraordinarily limited and 
> you can't give a unique one to every user, or even to a group of users.  
> They're line-based.  Similarly, you can buy an expensive NAPN or MCDN license 
> which will allow the Norstar to see a PRI as an internal trunk line, but now 
> you are running an undocumented and proprietary PRI signaling protocol called 
> SL-1.  It's what Norstar systems use to communicate with each other (imagine 
> two Norstar systems connected together over a leased T1).  We have no 
> documentation on it, and Nortel is very likely unwilling to give us the 
> information.
> 
> So, as I said, you are stuck using a Nortel ATA and an FXS port on Asterisk 
> and using a hookflash *1 sequence to toggle it.  Unfortunately the VM 
> callback # will be the ATA's DN, so only one person at a time can access 
> voicemail.
> 
> I spent some time digging into this last year, but came up without an 
> acceptable solution.  I may be forgetting or misremembering some of the 
> details but the end result is the same: you can hack something into it but 
> it's a shitty solution.
> 
> -A.
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