Yes, the T-Lock Call Blocker has been tested with several VOIP voice services including Vonage, MagicJack, AT&T U-verse, Verizon's FIOS, Comcast, and many others.
Is theT-Lock Call Blocker compatible with VOIP or digital voice services? Print
Modified on: Thu, 25 Sep, 2014 at 10:55 AM
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