Pulse dialing
AndroidsOfTara:
Quote from: M105 on May 23, 2011, 02:57:42 pm
I suspect the dialgizmo is picking up that "click" when the phone is answered and interpreting it as 1 pulse. That prompts it to send DTMF tone for "1". You can probably also fool it with a hook flash.
I don't know if the device has a sensitivity adjustment but that is something you should look at.
I thought of that as well, but as you can see from my post above, downgrading to an earlier firmware on the OBi has made the problem disappear along with a problem with a touch tone phone.
One of the first things I tried with the DialGizmo was dialing with the hook switch!
M105:
I have an old chrome pay phone I restored that has a very sensitive bell that will ping when I take any other phone in the house off-hook. Now that you mention it, I have noticed it started pinging whenever someone answers when I make a call too. That too started just lately with the firmware updates. The Obi must be making a pulse on the line at different points now...
I have considered a dial gizmo to use with that vintage phone. I am glad to know yours works with the exception of that small glitch!
MichiganTelephone:
I hope you guys realize that older mechanical bells almost always have a bias spring (it usually looks like a long stiff wire that can be moved to one of two different positions) that can be adjusted to remove the pings in all but the most serious cases. Failing that, you could also try lowering the output line voltage (and/or current) just a bit and see if that helps.
M105:
I am sure I could adjust the old phone bell but I kinda like having the "line monitor". ;) The pings are barely audible.
MichiganTelephone:
Quote from: M105 on May 26, 2011, 07:03:20 am
I am sure I could adjust the old phone bell but I kinda like having the "line monitor". ;)
Reminds me of the days when in many areas of the country there was no such thing as a "private" phone call. Those "pings" would alert all the gossips and busybodies that shared your party line that it was time to listen in! :o
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