Chapter 6: Troubleshooting
b. If so, try a different phone. Make sure the new phone is a working phone.
c. 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.
5. Is your telephony modem plugged into a wall outlet?
a. If so, unplug the phone connector at the back of your telephony modem and plug in
a known working phone. If you now have dial tone, the problem is with the house
wiring. Contact your service provider or a qualified wiring technician to correct the
house wiring. If you still do not have dial tone, contact your service provider.
SURFboard
®
SBV3202 DOCSIS 3.0 telephony modem for Xfinity
®
customers User Guide STANDARD Revision x.3 42
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