Telephone Installation - AT&T CL2939 User Manual

Big button big display telephone/speakerphone with caller id/call waiting
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Getting started

Telephone installation

If you subscribe to high-speed Internet service (digital subscriber line - DSL)
through your telephone line, you must install a DSL filter between the
telephone line cord and the telephone wall jack. The filter prevents noise
and caller ID problems caused by DSL interference. Please contact your DSL
service provider for more information about DSL filters.
Follow the steps below to install the telephone.
1.
Plug one end of the coiled handset cord into the handset jack on the left
side of the telephone base. Plug the other end into the handset and hang up.
2.
Plug one end of the telephone line cord into the TEL LINE jack on the back
of the telephone base. Plug the other end of the telephone line cord into a
telephone wall jack.
3.
Lift the handset or press
4.
Rotate the top of the display up or down to adjust the angle of the screen
for maximum visibility.
Handset
Telephone wall jack
DSL filter (not included) is
required if you have DSL
high-speed Internet service.
SPEAKER to check for a dial tone.
8
Coiled handset cord

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