About Your Calling Group Supervisor
Telephones
Buttons
All calling group supervisor telephones need the same
buttons to use the calling group features. Some of these
buttons are on all the telephones; others must be
programmed. The following illustrations show typical button
layouts for a calling group supervisor using an MLX-20L
telephone and BIS 22D telephone, respectively.
MLX-20L Telephone Sample Supervisor Button Layout
2-10
Buttons