
Configuring Dial Services
E-2
117353-B Rev. 00
F9 Select V.32bis 12000 line modulation (RC144).
F10 Select V.32bis 14400 line modulation (RC144).
H0 Initiate a hang-up sequence.
H1 If on-hook, go off-hook and enter command mode.
I0 Report product code.
I1 Report precomputed checksum.
I2 Report OK.
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 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 online.
O1 Go online 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 n.
(continued)
Table E-1. Summary of AT Modem Initialization Commands
(continued)
Command Function
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