[VoIP] Bizarre Problem

[Shane Young]

When you do the dial to your step switch do something like this:

Dial(zap/21/P695)

P will make it dial using Pulse.

Quoting Lee Spenadel <lee at spenadel.com>:

> Sorry for the confusion.
>
> Components and route of call:
>
> Rotary POTs set (touch-a-matic rotary phone) dials 349-8693
> Adtran TA850/channel 7 (FXS card configured for FXO signalling)
> Asterisk T-1 card /zap 7
> Route Call via Extensions.conf
> Asterisk T-1 card /zap 21
> Adtran TA850/channel 21 (FXO card configured for FXS signalling)
> Extension 695 on SxS Switch
>
> When I put a butt set (in monitor mode) on channel 21 and go off-hook on the
> touch-a-matic rotary set and dial any extension on the Step switch, I get
> tone output, not pulse.
>
> Hope this clears things up.
> Lee
>
>
> -----Original Message-----
> From: voip-bounces at ckts.info [mailto:voip-bounces at ckts.info] On Behalf Of
> ikjtel
> Sent: Monday, March 19, 2007 11:35 AM
> To: Voice Over IP Tandem for Analog Switches
> Subject: Re: [VoIP] Bizarre Problem
>
>
> Sorry to say, I found the below writeup rather
> confusing.
>
> There are other questions, but let's zero in on this
> one area first:
>
>> I attached a butt set to my TA channel 21 and
>> monitored while I went
>> off-hook with a rotary set and dialed a SxS
>> extension.  What I heard was not
>> pulse, but DTMF.
>
> What do you hear from listening in the handset of the
> "rotary" set?  DTMF or rotary?  Can you supply a list
> of all component(s) in the path between the rotary set
> and the butt set in this setup?  If the butt set is
> holding open the loop towards the SxS machine and is
> also furnishing the outpulsing (ignoring for the
> moment whether said outpulsing is tone or pulse), then
> it should be possible to disconnect the FXO card from
> the configuration entirely.  Once that has been done
> and if you're still hearing DTMF, it's not possible
> for the DTMF to have been generated by any unit that
> has anything to do with zaptel or asterisk...
>
> Note, there *is* a capability within zaptel or
> asterisk (I can't remember which, due to advanced
> C.R.S.) that will generate DTMF outward on behalf of a
> dumb rotary-only phone plugged into asterisk via a
> zaptel-supported FXS port....  This enables the dumb
> rotary phone to access remote banking services and
> voice mail and so forth.  If the user of the rotary
> phone wishes to transmit a '*' or '#' key, it's not
> clear how they're supposed to do so, perhaps they
> assume the rotary phone is equipped with the special
> W.E. model "17S3" rotary dial equipped with the two
> extra finger holes ;-)
>
> Max
>
>
>
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--Shane
+1-821-7311 CNET