Upgrade
Upgrade your inmate phone to become G-TEL Phones!
It's never been easier or more affordable!
Wintel TMG Quadrum/Triad
Converting your phones with G-TEL parts can save money and
field tech time. Our handsets, dial pads, hookswitches, and cradles cost less and are more reliable than any other brand in the industry.
E-mail for more information
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