This quick start guide provides basic instructions. For additional installation options and complete instructions that enable you to use all features of this telephone, refer to your AT&T CL4939 big button big display telephone user’s manual. 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.
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Telephone installation Lift the handset or press SPEAKER to check for a dial tone. Rotate the top of the display up or down to adjust the angle of the screen for maximum visibility. NOTES: • Use only the power adapter provided with this product. To obtain a www.telephones.att.com replacement, visit our website at or call...
Quick reference guide REMOVE CID/ Press and hold to clear Press to display the call the call history. history. While reviewing the While using the menu, directory or call history press to scroll through entries, press to delete the settings. an entry.
Quick reference guide MENU RINGER VOL switch Press to enter the Slide to adjust the menu. ringer volume. While reviewing the call VOL switch history, press to store Slide to adjust the the displayed name and listening volume on the number in the directory.
Indicator lights and tones Indicator lights IN USE On when the line is in use or the answering system is answering a call. ANS ON/OFF On when the answering system is on. PLAY/STOP Flashes when there are new (unreviewed) messages. AUDIO ASSIST On when the audio assistance feature is in use.
Screen messages Screen icons The displayed call history entry is unreviewed. You have received more than one call from this CALLS NEW number. The position of the number stored in the call history. :00 -0 The ringer is turned off. There is an error in the caller ID information.
Screen messages Display screen messages DELETED All the entries stored in the call history have been deleted. -OR- The directory or two-touch memory entry has been deleted. DIRECTORY EMPTY There are no telephone numbers stored in the directory. END OF LIST You have reached the end of the call history records.
Making and answering a call Using handset To make a call: • Lift the handset, wait for the dial tone, and then dial a number. To answer a call: • Lift the handset. -0 :00 To end a call while using the handset: •...
Answering system setup To turn on the answering system To turn the answering machine on and answer calls: • Press ANS ON/OFF repeatedly until the system announces “Answering machine is on.“ The ANS ON/OFF light is on. To record your outgoing announcement The outgoing announcement is the message callers hear when calls are answered by the answering system.
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