AT&T SB67035 User Manual page 160

Synapse SB67035 Deskset User's Guide
The Deskset shows no indication that the headset is on a call.
Probable Cause
The headset is registered to
another Deskset. If others
are using headsets in your
vicinity, someone may have
accidentally registered your
headset to their Deskset.
A buzzing sound on my cordless headset.
Probable Cause
Noise interference.
Unable to deregister cordless headset.
Probable Cause
The Deskset is unavailable
(powered off, out of range, or
removed from the system).
Troubleshooting
Corrective Action
If nearby people have headsets, they may have

accidentally registered your headset to one of
their Desksets.
a. Verify that a headset is registered to your
Deskset. On the Deskset, press MENU –> 2
–> 6 (Call Appearance mode) or MENU –> 2
–> 5 (Line Appearance mode). If the headset
is registered, the screen indicates Cordless
Headset is currently Registered.
b. If a headset is registered, it may not be yours.
Deregister your headset from the Deskset,
and ask all users in the vicinity to deregister
their headsets. At a Deskset, press MENU –>
2 –> 6 –>
DeReg
or MENU –> 2 –> 5 –>
Appearance mode).
c. Start the registration process again, but with
one user at a time registering a headset. At a
Deskset, press MENU –> 2 –> 6 –>
(Call Appearance mode) 
or MENU –> 2 –> 5 –>
(Line Appearance mode).
Corrective Action
Move the headset at least 12 inches away from

the Deskset.
Other electronic products can cause interference

with your cordless headset. Try using your
headset as far away from these types of
electronic devices as possible: television sets,
microwaves, or other cordless telephones.
Corrective Action
Deregister the headset at the headset. Press:

VOL+ –> MUTE –> VOL– –> MUTE –> VOL+ –>
VOL– –> MUTE.
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(Call Appearance mode)
(Line
DeReg
Register

Register