PSION Travel Modem Commands A Answer \A0 Set max MNP packet size to 60 \A1 Set max MNP packet size to 128 \A2 Set max MNP packet size to 192 \A3 Set max MNP packet size to 256 B0 CCITT mode B1 Bell mode \Bn Send break of n (1 to 9) durations of 100ms &C0 DCD is always on &C1 DCD follows carrier %C0 Disable MNP5 and V.42bis compression %C1 Enable MNP5 compression only %C2 Enable V.42bis and disable MNP5 %C3 Enable V42bis and MNP5 D Dial Telephone number Dial string modifiers: ^ Changes state of call tone P Pulse dialing T Tone (DTMF) dialing , Pause (S8) second before next digit W Wait for dial tone & Wait for credit card tone before continuing ; Return to command mode after dialing S=n Dial number stored in location n *#ABCD Additional DTMF codes L last number dialed &D0 Interpret DTR transition as per &Qn &Q 0,5,6: Modem ignores DTR &Q 1,4: Modem hangs up &Q 2,3: Modem hangs up, auto-answr inhibited &D3 Interpret DTR transition as per &Qn &Q 0,1,4,5,6: Modem performs soft reset &Q 2,3: Modem hangs-up, disable auto-answer. E0 Command characters not echoed E1 Command characters echoed F0 Select normal multi-standard F1 V.21 operation F3 V.23 operation F4 V.22 operation F5 V.22bis operation F6 V32bis or V.32 4800bps line modulation F7 V.32vbis 7200bps line modulation F8 V.32bis or V.32 9600bps line modulation F9 V.32bis 12000bps line modulation F10 V.32bis 14400bps line modulation &F0 Load factory configuration 0 &F1 Load factory configuration 1 \F Display telephone directory H0 Hangup (on-hook) H1 Set modem off-hook I0 request 3 digit product code I1 Firmware checksum I2 Validate internal firmware checksum (OK response) I3 Software release code I4 Product Identifier &K0 Disable flow control &K3 Enable RTS/CTS flow control &K4 Enable XON-XOFF flow control &K5 Transparent XON/XOFF flow control &K6 RTS/CTS and XON/XOFF flow controls \Kn Break handling (n = 1 to 5) -K0 Disable MNP10 extended services -K1 Enable MNP10 extended services L0 Lowest loudspeaker volume L1 Low loudspeaker volume L2 Medium loudspeaker volume L3 High loudspeaker volume %L Return received signal level M0 Loudpeaker off at all times M1 Enable loudspeaker until carrier detected M2 Enable loudspaker whenever modem is off-hook M3 Enable loudspeaker after dialing and until carrier detected \N0 Disable MNP and LAPM \N1 Disable MNP and LAPM \N2 Enable reliable V.42 operation \N3 Enable auto-reliable V.42 operation (fallback to normal) \N4 Enable reliable LAPM \N5 Enable reliable MNP O0 Return modem to Data mode O1 Return to Data mode and initiate retrain sequence Q0 Enable response codes to the DTE Q1 Disabvle response codes to the DTE &Q0 Direct asynchronous mode &Q4 AutoSync operation. synch comms from async terminal &Q5 Modem negotiates error corrected link &Q6 Asynchronous in normal mode. %Q Report line signal quality &R0 CTS in accordance with V.25bis handshake &R1 CTS controlled by flow control Sr? Return contents of register "r" to the DTE Sr=n Set contentrs of register "r"r to value "n" &S0 DSR always on &S1 DSR operates in accordance with V.24 spec \S Display modem configuration and S registers &Tx Loopback test options. V.54 modem self tests. These commands operate for the length of time specified in register S=18. If this is set to 0, then tests can be cancelled by AT&T0. &T0 Terminate any tests &T1 Local analogue loop-back test &T3 Local digital loop-back test &T4 Accept requests for remote digital loop-back test &T5 Deny requests for rtemote digital loop-back test &T6 Initiate remote digital loop-back (no self test) &T7 Initiate remote digital loop-back (self test) &T8 Initiate local analogue loop back with self test V0 Numeric result codes V1 Verbose result codes &V Display current configuration W0 report DTE speed only eg. Connect 57600 W1 report line speed, EC protocol and DTE speed W2 Report DCE speed only. eg Connect 33600 X0 Basic result codes, no network tone recognition X1 Extended result codes,no network tone recognition X2 Extended result codes, network tone recognition X3 Extended result codes, busy tone recognition X4 Extended result codes, busy and network tone recognitions Y0 Enable long space disconnect Y1 Disable long space disconnect Zx Reset modem and load configuration n (0 or 1) Factory defaults: B0 E1 F0 L3 M1 N1 Q0 T V1 W1 X4 Y0 &C1 &D2 &K3 &Q5 &R1 &S0 \A1 \B3 \K5 \N3 %C3 %E2 -K0 Registers: S0 Auto answer ring number (0-255) S1 Incoming ring count S2 Escape character (43 '+') S3 Carriage return (10 ???) S4 Line feed (10 or ctrl-j) S5 backspace (8) S6 Wait time for dialtone before blind dialing (4-7 seconds) S7 Wait for carrier after dialing (1-58 seconds) S8 pause time for ',' 4-11 seconds. Consecutive use of coma must not exceed 12 seconds S9 Minimum carrier detect time before DCD goes on S10 Loss of carrier to hangup delay time )1-255 tenths of seconds S12 Escape code guard time (fiftieths of seconds) S14 Bit mapped options register Default 138 S16 Test options (read only) default 0 S18 Test timer (seconds) S37 Desired line connection speed Bits 4,3,2,1,0 00000 Auto mode connection 00010 300bps 00100 300bps 00110 300bps 00100 Reserved 00101 V.32bis/V32 4800bps 0110? Attempt to connect at 2400 11000 Attempt to connect at V23 11100 Attempt V.32bis/V32 9600bps S86 Connection failure identification 0 Normal disconnection 4 Loss of carrier 5 V.42 failed to detect error corrected modem at other end 9 Modems could not find a common protocol 12 Normal disconnect initiated by remote modem 13 Remote modem does not respond aftyer 10 re-transmissions 14 Protocol violation