Speaker Controls

This command controls the modem speaker volume when the speaker is turned on.

• L0,1 -- Selects low speaker volume.
• L2 -- Selects medium speaker volume.
• L3 -- Selects high speaker volume.

This command selects when the modem speaker will be on or off.

• M0 -- The speaker is always off.
• M1 -- Enables the speakerduring call establishment, but off once the carrier is detected.
• M2 -- The speaker is always on.
• M3 -- Disables the speaker during the dialing period and receiving carrier, but on during answering.