Speaker Controls
Ln (Speaker Volume)
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.
Mn (Speaker Control)
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.
Extended AT Command Set Main Page