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Re: 2565 Keyset Dialing Issues with MagicJack
RLG999 #635824 03/11/20 12:31 AM
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Are you sure you have it connected properly? I can't see how your phone works at all without the unit powered.

As to your question, without taking actual voltage and current readings on you phone's T&R both with the TBB connected in the line and not connected and again connected with the unit powered I have no idea what's going on. Maybe someone at Viking tech support can answer that. I didn't design it.

All the advice given here ASSUMES that the loop voltage and current is low. So you go out and spend money on a TBB and now you call that into question. A proper diagnoses should be done first to determine what the situation is then decide what to do about it. Not just throw equipment at it by the seat of our pants.

-Hal


CALIFORNIA PROPOSITION 65 WARNING: Some comments made by me are known to the State of California to cause irreversible brain damage and serious mental disorders leading to confinement.
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Re: 2565 Keyset Dialing Issues with MagicJack
RLG999 #635826 03/11/20 03:52 AM
Joined: Jan 2005
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I'm sure that with voltage doubling circuitry, some amount of line voltage might be making something like this happen. I know that Viking offers their PS48RG power supply that takes a 12VAC input and outputs 96VAC ringing and 48VDC talk battery. With that said, Viking is no stranger to using this type of circuitry. I'm still at a loss as to how, but I agree that a call to their technical support people might be in order. If nothing else, I'm sure they'd like to know this.


Ed Vaughn, MBSWWYPBX
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