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Your Display Telephone

Speaker Press to turn on the speakerphone so you can make or answer a call without using the handset.

Press Speaker before dialing to get a dial tone.

Press Speaker when the phone rings to answer a call.

Press Speaker while the handset is in use to turn off the handset and turn on the speakerphone. (You can hang up the handset and the call remains on the speakerphone.)

Press Speaker while the speakerphone is in use to hang up the phone.

Conf Press to add another person to a call for conferencing with up to five people.

Drop Press to disconnect a person from a conference call.

Hold Press to put a call on hold. The green light next to the line button with the call on hold flashes until the call is resumed or the person hangs up. As a reminder, the phone beeps once every 60 seconds. More than one call at a time can be put on hold.

Depending on how your system is set up, Transfer, Conference, Drop, and Hold may not work exactly as described here. Ask your system manager if these features work differently:

1-18Dedicated Feature Buttons

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AT&T MLX20L, MLX-28D, MLX-10D manual