The MF279T uses the TELUS cellular network to provide phone service to your cordless or corded home phone(s) and Internet access to your computer and Wi-Fi enabled devices. Place it anywhere in your home where you have a strong wireless signal. It does not require the use of a home phone wall jack like traditional home phone service. DIRECTV + AT&T Internet. Better together. TV + internet bundles. With AT&T Internet you get proven 99% reliability 1 and fast speed. Our latest, most advanced Wi-Fi technology powers a seamless wall-to-wall Wi-Fi experience. 2 And our included AT&T Smart Home Manager App 3 puts control of your home network at your fingertips.