AT&T MLX20L, MLX-28D, MLX-10D manual SA Ring buttons. These buttons are setup by your company

Your Display Telephone

Shared SA. Use this button to answer calls for co-workers and to join their conversations. Each button is linked to a specific SA button on a co-worker’s phone. Shared SA buttons are labeled either Shared SA Ring or Shared SA Voice, depending on which type of inside calls the button allows you to make. You can use these buttons to make and receive inside and outside calls, just like your own SA Voice and

SA Ring buttons. These buttons are setup by your company.

555-1234.Use any button labeled with a phone number to make or receive outside calls only. This is called a personal line because it appears only on your phone or a specific group of phones. It is a direct outside line that does not need a dial-out code.

WATS. Use buttons labeled with special service names like WATS to make or receive outside calls at a reduced cost. A dial-out code is not needed.

Pool. Use these buttons to make and receive outside calls. A Pool button automatically selects one line from a group of outside lines. A dial-out code is not needed.

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