AT&T Merlin Legend 10BS User Manual page 40

Your Analog Muitiline Telephone
Phones with ICOM Buttons
ICOM Ring. Use this button to make inside ringing calls and
to receive both inside ringing and voice-announced calls.
You cannot use this button for outside calls, but outside calls
can be transferred to you.
ICOM Voice. Use this button to make inside voice-
announced calls and to receive both inside ringing and
voice-announced calls. Voice-announced calls do not ring
— your co-worker hears your voice over the speakerphone
instead. You cannot use this button for outside calls, but
outside calls can be transferred to you.
Line Buttons
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