AT&T TL7700 user manual Troubleshooting, My headset doesn’t work at all, There is no dial tone

Page 23

Appendix

Troubleshooting

If you have difficulty with your telephone, please try the suggestions below. For customer service, visit our website at

www.telephones.att.com or call 1 (800) 222–3111. In Canada, dial 1 (866) 288-4268.

My headset doesn’t work at all.

•Make sure the power cord is securely plugged in.

•Make sure that the battery is securely installed in the cordless headset.

•Charge the battery in the cordless headset for at least three hours. For optimum daily performance, return the cordless headset to its charger when not in use.

•Reset the headset. Power off the headset and then power it on.

•Other electronic products such as HAM radios and other DECT phones can cause interference with your cordless headset. Try installing your telephone base as far away as possible from these types of electronic devices.

•You may need to purchase a new battery. Refer to page 6 of this user’s manual.

The other party cannot hear my voice during a call.

• Adjust the speaking volume during a call.

There is no dial tone.

•Try all the suggestions above.

•Move the cordless headset closer to the telephone base. You might have moved out of range.

•Your telephone line cord may be defective. Install a new telephone line cord.

•Another phone on the same phone line may be in use.

19

Image 23

Contents User’s manual Congratulations Parts checklist Table of contents Headset lights Quick reference guide headsetVOL+/VOL Headset alert tones Quick reference guide headset charger Avoid placing the telephone base too close to InstallationBattery installation Battery charging and connecting charger power Add and register headsets Register a headset to an AT&T Dect cordless telephone base Replace a headset You may need to deregister your headsets ifTo attach the earbud to the headset earpiece Headset attachmentsEarbud To remove the earbud from the headset earpieceOver-the-ear hook To adjust the headset to wear on the left or right earTo attach the ear hook to the headset To remove the ear hook from the headset Over-the-head band To attach the head band to the headset To remove the head band from the headset Behind-the-neck band To attach the neck band to the headset To remove the neck band from the headset There is no dial tone TroubleshootingMy headset doesn’t work at all Other party cannot hear my voice during a callMy cordless headset isn’t performing normally Battery does not chargeCannot dial out Troubleshooting Troubleshooting Want to use my headset with a different telephone base Hear other calls while using my headsetMy calls cut in and out while I’m using my cordless headset Light on the headset is off while charging Cannot register the headsetCommon cure for electronic equipment Important safety information Important safety information Important safety information Pacemaker patients Precautions for users of implanted cardiac pacemakersAvoid water MaintenanceCleaning your headset Taking care of your headsetFCC Part 68 and Acta Industry Canada FCC Part What does this limited warranty cover? Limited warrantyHow long is the limited warranty period? How do you get warranty service? Other limitations Dect 6.0 digital technology Technical specifications