Roi TelephonyWrite a Review972-498-1340Be the first to review!4591 Airport Pkwy, Addison, TX 75001Hi there!Be the first to review!5First-class4Better than most3About what I expected2Not the worst...1DisappointingClick to RateMore Business InfoHoursDo you know the hours for this business?BrandsciscoAKARoi Telephony LLCCategoryInternet Service Providers (ISP) Suggest an Edit