Perform A Speed Test - NETGEAR C7100V User Manual

The Tel (Voice) LED blinks while the phone is being registered and then lights solid white
once it is registered.
After the voice line is registered, you can hear a dial tone when the phone is off-hook.
For information about voice telephone lines, see

Perform a Speed Test

To determine the accurate Internet speed, visit the speed test website of your cable Internet
provider and perform a speed test.
If your actual speed is lower than your subscribed speed, contact your cable Internet
provider.
AC1900 Cable Modem Voice Router
Hardware Overview
16
Chapter 7, Voice Telephone Lines.