[Asterisk-Users] Placing Asterisk between existing PBX and PSTN

[Begumisa Gerald M]

Hi All,

Just wondering if anyone could have by chance taken a look at the scenario
below... I checked up http://www.asteriskpbx.com/index.php?menu=support
and it looks like Asterisk-Users is the correct list to post this (I
think...).

I'd really appreciate any insight.

Gerald.

On Mon, 6 Sep 2004, Begumisa Gerald M wrote:

    > Hi,
    >
    > I've read through the Asterisk handbook and I'd just like clarification
    > from someone that's implemented the above before.  Lets imagine I want to
    > use the CallingCard application and don't want to tell a client to buy a
    > channelbank (the analog extensions are too many to connect to FXS cards),
    > I figure I could set them up as below:
    >
    >
    > Original Existing Setup
    > -----------------------
    >
    >  PSTN  +-------+
    > ------||       ||------A1
    > ------|| PBX   ||------A1
    > ------||       ||------A1
    > ------||       ||------A1
    >        +-------+
    >
    > 	A1,A2,A3,A4 are analog extensions
    >
    >
    > Setup With Asterisk
    > -------------------
    >
    >  PSTN           +----------+          +-------+
    > ------|        ||          ||        ||       ||------A1
    > ------|FXO Card|| Asterisk ||FXS Card||  PBX  ||------A2
    > ------|        ||          ||        ||       ||------A3
    > ------|        ||          ||        ||       ||------A4
    >                 +----------+          +-------+
    >
    > So they only pay for the Asterisk box, the FXO Card (TDM04B) and FXS Card
    > (TDM40B).
    >
    > I'd appreciate any "yes/no/been there" answers.  I just want to make sure
    > about this, in case there's anyone that's done this before.
    >
    > Thanks in advance.
    >
    >
    > Gerald.
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