AT&T / DSL / U-Verse

AT&T / DSL / U-Verse

Required Settings:

 - Phones must use TCP instead of UDP

 - Disable SIP ALG

 - Disable IPv6

    • Related Articles

    • My Phone Number Shows up as "Spam Risk"

      There are multiple factors that determine whether an incoming call would be labeled “Spam Likely” or “Spam Risk”. Many of these factors are controlled by regulatory agencies and not by PrimeVOX directly. Customers Still Switching to PrimeVOX If you ...
    • When to Reboot vs Factory Reset a Phone

      In most cases, turning a phone off and back on again (Rebooting) is all it takes to fix common issues. However, there are occasional instances where a factory reset is required instead. You can Reboot a phone by unplugging the Power Cord from the ...
    • Yealink T54/T5 User's Guide

      Yealink T5 Model User's Guide Below is a photo of a Yealink T54W IP Phone. The features, keys, and functions you will learn throughout this user's guide will be the same across most Yealink T5 model series. If you have any additional questions ...
    • 911 Information

      Registered 911 Address When using Voice over Internet Protocol (VoIP) services, such as PrimeVOX, the service address you provided during account set up is assigned as your emergency services address ("Registered Address"), unless otherwise ...
    • Grandstream GXP2130 User's Guide

      Grandstream User's Guide Below is a diagram of a Grandstream GXP2130 IP phone. The features, keys, and functions you will learn throughout this user's guide will be the same across all Grandstream phone models. Line Keys: Allow you to select a line ...