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VIKING COMPONENTS 56K EXTERNAL MODEM USER’S GUIDE
Basic AT Command Set (Continued)
Command Function
I3 Report firmware revision, model,and interface type.
I4 Report response programmed by an OEM.
I5 Report the country code parameter.
I6 Report modem data pump model and code revision.
I7 Reports the DAA code (W-class models only).
L0 Set low speaker volume.
L1 Set low speaker volume.
L2 Set medium speaker volume.
L3 Set high speaker volume.
M0 Turn speaker off.
M1 Turn speaker on during handshaking and turn off while
receiving carrier.
M2 Turn speaker on during handshaking and while receiving
carrier.
M3 Turn speaker off during dialing and receiving carrier and turn speaker on
during answering.
N0 Turn off automode detection.
N1 Turn on automode detection.
O0 Go on-line.
O1 Go on-line and initiate a retrain sequence.
P Force pulse dialing.
Q0 Allow result codes to DTE.
Q1 Inhibit result codes to DTE.
Sn Select S-Register as default.
Sn? Return the value of S-Register.
=v Set default S-Register to value v.
? Return the value of default S-Register.
T Force DTMF dialing.
V0 Report short form (terse) result codes.
V1 Report long form (verbose) result codes.
W0 Report DTE speed in EC mode.
W1 Report line speed,EC protocol and DTE speed.
W2 Report DCE speed in EC mode.
X0 Report basic call progress result codes,i.e.,OK,CONNECT,RING,NO CARRIER
(also, for busy,if enabled,and dial tone not detected), NO ANSWER and
ERROR.
Chapter 6
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