Arris Touchstone TG4482 User Manual page 30

■ If so, try a different phone. Make sure the new phone is a working phone.
■ If a known good phone is used and you still don't have dial tone, try a different
phone cable. If a new phone and cable do not restore dial tone, call your service
provider.
4. Is the Telephony Gateway plugged into a wall outlet?
■ If so, unplug the phone connector at the back of the Telephony Gateway and plug in
a known working phone. If you now have dial tone, the problem is with the house
wiring. Contact your cable company or a qualified wiring technician to correct the
house wiring. If you still do not have dial tone, contact your service provider.
Touchstone TG4482 Telephony Gateway User Guide DRAFT Revision 1.3
Chapter 6: Troubleshooting
30