User`s guide

Troubleshooting 88
AT&T SB67040 Cordless Accessory Handset User’s Guide
Extension number does not
match Deskset.
The Handset has been registered
to another Deskset.
 Check the Deskset to see if a Handset has been
registered. If so, deregister it: MENU -> User
Settings -> Cordless Settings -> Handset ->
DeReg.
 Deregister your Handset (OPTIONS -> Settings ->
Deregister).
 Start the registration process again.
Cannot make external calls. The Handset cannot
communicate with Deskset.
 First, check if the Deskset can make external calls.
If the Deskset cannot make external calls,
consult Deskset troubleshooting in the
“AT&T SB67030 Deskset User’s Guide”.
 Check that your Handset is registered to your
Deskset (Press OPTIONS -> Settings -> Product ID
and check that status reads Registered: YES.
 You might be out of range of the Deskset. Try moving
closer. If you see the Idle screen, then the Handset is
successfully communicating with the Deskset.
Symptom
Probable Cause Corrective Action