[VoIP] Correct Way To Connect X100P To Step By Step Exchange?

[Lee Spenadel]

The timing problem could be that the X100P is pulsing out too quickly for
the switch.  In my situation, the X100P began pulsing out before the Line
Finder had a chance to ascend to the proper level.  Therefore, only the last
digit or two were being decoded properly.  I corrected this by placing
several wait (w) options in my dial string.  An example would be:

exten => _${OFFICECODE}863X,4,Dial(ZAP/g2/P/www${EXTEN:4},30)

The www provides my switch enough time to ascend to the correct level and be
ready for the pulsing of digits.  

I don't know enough about the zaptel drivers to help you there, but there
are some very knowledgeable people in this group.

Lee


-----Original Message-----
From: voip-bounces at ckts.info [mailto:voip-bounces at ckts.info] On Behalf Of
Brent Jones
Sent: Wednesday, August 01, 2007 12:26 AM
To: Voice Over IP Tandem for Analog Switches
Subject: [VoIP] Correct Way To Connect X100P To Step By Step Exchange?

Hi. I have got an Asterisk box up and running. Now I want to be able
to hook up my X100P to a Step by Step Pabx. 

I'll be connecting the FXO to an extension on the PABX.  
It is a step by step type that uses uniselectors to make the connections
between extensions.

But at first I am trying to get it working on a model Step by Step unit that
uses 
subcribers uniselectors connected to a group then final selector.

I have being trying to
connect to the  model step by step without success. I have loaded the
pulse dial patches needed. But what happens is when I dial, the
subscribers line uniselector seems to hunt and step to the pulses. 
Some of the last pulses seem to get through to the group selector and
you see it moving verticaly.

I have played around with the timings in zaptel.h but it doesn't seem
to improve things.

Can someone please tell me what sort of settings they found to work
for the timings. Also can someone please tell what settings they use
for zaptel.conf and zapta.conf files.  Even a diagram of how you wired
the FXO card to your PABX.

Also are X100P cards polarity sensitive with relationship to the line
voltages ie
does it matter which pin gets A or B leg .
Do I need to put a 'w' in the dialing string before the first digit to let
the subscriber
uniselector hunt.

Does the FXO pulse dialing patch return the loop back to the exchange during
dialing
between digits?

Any ideas welcome.

Thanks
Brent Jones
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