VTech 17850 User Manual page 128

• Calling Number Display is a subscription service. You
must subscribe to this service from your telephone
service provider for this feature to work on your
phone.
• The caller may be calling from an area that supports
Calling Number Display.
• Both your and your caller's telephone service
providers must use Calling Number Display
compatible equipment.
• If you subscribe to high-speed Internet service (DSL
- digital subscriber line) through your telephone line,
you must install a DSL ilter between the telephone
line cord and the telephone wall jack . The ilter
prevents noise and Calling Number Display problems
resulting from DSL interference. Please contact your
DSL service provider for more information about
DSL ilters.
System does not receive Calling Number Display when
on a call.
• Make sure you subscribe to Calling Number Display
with call waiting features from your telephone
service provider. Calling Number Display features
works only if both you and the caller are in areas
offering Calling Number Display service, and if
both telephone service providers use compatible
equipment.
Incomplete messages.
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