Programming Interface
Page 17
4
4
Result Codes:
OK
n=1
Error
Otherwise
Hn Switch-hook
Control
This command provides control over the line relay.
H0
Modem goes on-hook.
H1
Modem goes off-hook.
Result Codes:
OK
n=1.
Error
Otherwise.
In Identification/Checksum
Option
This command instructs the modem to query its memory for information about itself.
I0
Reports product code.
I1
Reports a 3-digit ROM checksum
I2
Performs a ROM check.
I3
Report ROM components
I4
Modem
capabilities.
Result Codes:
OK
n=0, 1, 2, 3, 4.
Error
Otherwise.
Ln Speaker
Volume
This command determines the volume level of the speaker, when supported by the
modem.
L0
Lowest speaker volume.
L1
Low speaker volume.
L2
Medium speaker volume.
L3
High speaker volume.