HiRO H50113 V92 56K - Manual (Page 28)

Hiro H50113
27
H—Hook Control
Instructs the modem to go on-hook to disconnect a call or go
off-hook to make the telephone line busy.
Result codes:
_ OK if = 0—1.
_ ERROR if
≠0—1.
Command Function
H0 The modem goes on-hook (default).
H1 The modem goes off-hook.
M—Speaker Control
Use this command to turn the speaker on and off.
Result codes:
_ OK if = 0—3.
_ ERROR if
≠0—3.
Command Function
M0 Speaker is off.
M1
Speaker is on until the modem detects the carrier
signal (default).
M2 Speaker is always on when the modem is off-hook.
M3
Speaker is on until the carrier is detected, except
when dialing.