I purchased one of these products and am impressed with the way it works.
This device allows you to connect up to 3 Blue Tooth enabled telephones to any corded telephone, including a rotary dial telephone.
Originally I bought it as a novelty to hook up to a German, 1929 H. Fuld u. Co. rotary dial telephone so I could call my buddy up using that phone through my cell phone. Okay the joke was on me because I discovered you can use it for much more than a novelty.
First of all, it lets you create a 4 phone network. One corded and 3 cell phones. Thus you can call up to 2 other phones on the network using the rotary or one of the other cells like an intercom.
However, it can be used as a multi-line set-up too in places where you don't have a landline or simply wish to dispense with it altogether.
The way I did it was simply disconnect my internal telephone wiring from the phone company's incoming jack and connect it to the gateway. This allowed me to use at least one cell phone with all of my existing corded phones.
Second of all, to insure ring voltage, I used a spare Ring Amp or Long Loop Amp that I purchased from GrayBar Electric. This powers up all of my mechanical ringers, up to 15 standard ringers and 30 electronic ringers.
I added two spare cell phones as Lines 1 and 2 and used my regular cell phone as line 3. This way when I'm away from home, Line 3 disconnects but Lines 1 and 2 are functioning.
With this, I can use any phone in the house, both corded phones and cordless including a spaker phone on my other two cell phones. Long distance is included in all of my cell phone plans so I no longer pay the $38 per month plus tax for the fixed landline.
The point is, this little device simply and conveniently takes you out of the realm of VOIP and landline based grids and puts you on your own network.
The next version up from this is usually $20 more and includes the ability to use your landline in combination with 3 cell phones making possible a 4 line system with 3 external cell lines.
Since I do not need a landline except for emergencies, this made sense to me.
Score one for me, zero for the phone company.
I would recommend this device if you want your corded phones to work through your Blue Tooth enabled cell phone(s). Or, if you want to use your antique phones and do not want to pay for extra service to power them up. Its a good choice.
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