User`s guide

Troubleshooting 92
AT&T SB67040 Cordless Accessory Handset User’s Guide
Caller ID isn’t working. Your organization does not
subscribe to this service or you
have DSL phone lines without
filters installed.
 Caller ID is a subscription service. You must subscribe
to this service from your local telephone company for
this feature to work on your phone.
 The caller must be calling from an area that supports
caller ID.
 Both you and your caller’s telephone companies must
use caller ID compatible equipment.
 If you have DSL phone lines, make sure you have a
DSL filter plugged in between each DSL line and the
wall jack.
Calls dropped. Restoring Deskset settings while
that extension is in use causes all
calls to be dropped.
 Update software and restore Deskset settings only in
Idle mode with no calls pending.
Symptom
Probable Cause Corrective Action