[Asterisk-Users] Toshiba CTX100 integration with PABX for two site

[Henry Devito]

I am currently working on the coding to provide D tone disconnect.  There is 
a work around I am using right now at a few customer sites.  I have done 
this several times, interconnecting Toshiba to Toshiba PBX's and Toshiba to 
other pbx's.


----- Original Message ----- 
From: "Brian Leyton" <bleyton at cpe-corp.com>
To: "'Asterisk Users Mailing List - Non-Commercial Discussion'" 
<asterisk-users at lists.digium.com>
Sent: Thursday, April 14, 2005 4:14 PM
Subject: RE: [Asterisk-Users] Toshiba CTX100 integration with PABX for two 
site


> Stephen wrote:
>>
>> I need to connect two sites with asterisk integrated with Toshiba ctx100.
>> Currently both have 4co and 8 extensions.
>>
>> Site A starts the extension with 8xx and Site B starts the extension with
> 1xx.
>>
>> How can I integrate two sites with asterisk that is
>> transparent to users (which mean users at site B only needs
>> to dial 8xx via asterisk and extension at site A rings and
>> vice versa) ?
>>
>> Do I need two asterisk servers at both ends with FXO cards
>> and FXS cards with loop back to Toshiba Co line ?
>
> I don't know all of the details yet, but I am embarking on a similar 
> project
> with 2 Toshibas and a Panasonic soon.  I've got a test setup right now 
> with
> 2 asterisks and an x100p card.  I'm sure it can be done though, if we can
> solve the one problem mentioned below.
>
> You could do this with only FXO ports in the Asterisk, but then callers
> would have to dial an extension, wait for Asterisk to pick up, then dial
> more digits.  The smoother way to do it is with both FXS and FXO on each
> side (using FXO for incoming calls, and FXS for outgoing).  This way your
> Asterisk's FXS port provides dialtone to the Toshiba, and you just need to
> grab the right trunk on the Toshiba (by dialing 8 or whatever), then the
> remaining digits get passed to Asterisk for further routing.  Very simple 
> &
> easy.
>
> The only problem right now is that Toshiba station cards don't provide
> hardware disconnect supervision, so when the Toshiba hangs up, Asterisk
> doesn't know this & leaves the call connected indefinitely.  The Toshiba 
> can
> be programmed to send a DTMF "D" tone upon disconnect, but I haven't found
> any way to have Asterisk recognize this as disconnect notification.
>
> I'm still hoping for a solution to that problem, but I haven't found one
> yet.  I assume that it will require some additional code in the Zaptel
> drivers to accomplish this.
>
> Brian Leyton
> IT Manager
> Commercial Petroleum Equipment
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