Dell 1355 Color Laser User Manual page 385

Off Turns off the volume of the line monitor.
Low Sets the volume of the line monitor.
Medium*
High
Ring Tone Volume
Purpose:
To set the volume of the ring tone, which indicates that an incoming call is a
telephone call through the internal speaker when Receive Mode is set to
Telephone/Fax.
Values:
Off Turns off the volume of the ring tone.
Low Sets the volume of the ring tone.
Medium
High*
Line Type
Purpose:
To select the line type.
Values:
PSTN*
Sets the line type to PSTN.
PBX Sets the line type to PBX.
Tone/Pulse
Purpose:
To select the dialing type.
Values:
Understanding the Printer Menus
383