- 21 - Rev. 1.00.2.1.63
, Pause the time specified in S-register S8
! Flash hook
@ Wait for quiet answer
^ Disable data calling tone transmission
$ Bong tone detection
; Return to command mode
E0 Disables echo
E1 Enables echo
H0 Hang up the telephone line
H1 Pick up the telephone line
I0 Reports modem identify string and driver version number
I1 Calculate ROM checksum and report it to DTE
I2 Verifies ROM checksum and report OK or ERROR
I3 Report modem identify string and driver version number
I4 Report firmware version for datapump
I5 Report the board/firmware ID, country ID and subsystem vendor ID
I9 Report country ID
I11 Report connection information
L0 Low speaker volume
L1 Low speaker volume
L2 Medium speaker volume
L3 High speaker volume
M0 Speaker always off
M1 Speaker on until carrier present
M2 Speaker always on
M3 Speaker off during dialing; speaker on until carrier present
N0 Handshake only at the communication standard specified by S37 and
ATB command
N1 Begin the handshake at the communication standard specified by s37 and ATB,
and fallback to lower speed may occur
O0 Return to data mode
O1 Retrain and return to data mode
O3 Rate re-negotiation and return to data mode
P Select pulse dialing
Q0 Enables result code
Q1 Disables result code
Sn Select S-register n; refer to S-register summary for the details
AT Command prefix
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