sundance-communications.com/forum Forums General General Telephone & Systems Information DTMF Volume

$20.00 I was only able to carry a $2.00 roll of nickles :confused:

Jim,

Use Windows' soundrec.exe, Nero or other utility to capture the DTMF exchange as audio (save as a wav or mp3 file).

Then simply visit the Dial ABC website and upload your sound file. In return, you'll receive the frequency, make/break times and a host of other information about what was heard (with respect to industry standards).

Point is that you DO have a digit grabber...you just didn't know it.

Wow -

That's too cool. Thanks!

- Matt

Well, I wasn't looking for it, but just ran across this:

https://oldphoneguy.net/who_knows.htm

Don't know if that will help at all....

Thanks Tommy - I tried it and while it does increase the volume of the tones, it didn't solve my original problem; so volume isn't the issue.

Sorry to drag this one back up folks, but I've tried everything I can think of and so I'm coming here for a last ditch attempt at ideas.

If I should move it to the alarm forum, please let me know.

I've isolated the problem down a bit; here's what I've tried:

1) Cleaned all the contacts, a good friend even sent me a burnisher. Although I initially thought that was the problem, I was wrong... it was just with that particular keyset, if I held the keypad button down long enough, it would work.

2) Took a functioning (i.e. DTMF codes were detected OK) 1A2 keyset and moved it to the connector of a non functioning keyset. It continued to work OK.

3) Here's the really strange one. The "thing" has the ability to accept calls from the outside, so you can control your lights, arming, etc, from any phone in the world. I have 2 phone lines, so I called the "thing" from the other line. It picked up and..... recognized all DTMF codes properly, all from the same phone that won't work if I connect to the "thing" directly.

4) Recorded the DTMF tones coming from one of the nonfunction keysets, uploaded it to DIAL ABC... all codes recognized OK; 1 - #.

I've also isolated it down a bit. The only phones that won't work are all western electric keysets (various models), and on all of them, only buttons 1,2 and 3 go unrecognized. 4 - # work just fine.

All SLT phones work, and 2 keysets made by other vendors work.

That's about it. I'm not sure this is a solvable problem.

The only other thing I can say is my old "thing" was rev 2.x; the new one is rev 3.x.

I'm on the hunt for a working rev 2.x board, as I don't think I'm ever going to figure this one out.

TIA for ANY ideas......

- Matt

All,

I fixed it. V 3 of this board just doesn't seem to want to work, so I put the old one back in, it's working fine, except for the hum it presents on the line; I'll just live with it until I can find another used 2.1 board.

Sometimes ya just have to say "uncle".

Thanks for all the help!
- Matt