Use the DSL Internet Box for all your advanced landline calls. Connect up to 6 DECT handsets with an HD-quality voice signal, as well as one analog phone or fax machine, enjoy a complete telephony system in your home or office. The tpPhone app allows you to make high-fidelity landline calls over the Internet via your smartphone, without additional DECT handsets. With its intuitive visual user interface, you can easily view a list of voice messages, check missed calls, and initiate three-way conference calls.
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