Specifications

AT Commands and Result Codes

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S-Register summary

(decimal)

AT S0 Rings to Auto-Answer 0

AT S1 Ring Counter 0

AT S2 Escape Character 0-255, ASCII decimal 43

AT S3 Carriage Return Character 0-127, ASCII decimal 13

AT S4 Line Feed Character 0-127, ASCII decimal 10

AT S5 Backspace Character 0-32, ASCII decimal 8

AT S6 Wait Time for Dial Tone 2-255 seconds 2

AT S7 Wait Time for Carrier 1-255 seconds 50

AT S8 Pause Time for Dial Delay Modifier 0-255 seconds 2

AT S9 Carrier Detect Response Time 1-255 tenths of a second 6

AT S10 Carrier Loss Disconnect Time 1-255 tenths of a second 14

AT S11 DTMF Tone Duration 50-255 milliseconds 95

AT S12 Escape Prompt Delay 0-255 1/50ths of a second 50

AT S14 General Bit-Mapped Options Status — 138 (8Ah)

AT S16 Test Mode Bit-Mapped Options Status (&T) — 0

AT S18 Test Timer 0-255 seconds 0

AT S19 AutoSync Options — 0

AT S20 AutoSync HDLC Address or BSC Sync Character 0-255 seconds 0

AT S21 V.24/General Bit-Mapped Options Status — 52 (34h)

AT S22 Speaker/Results Bit-Mapped Options Status — 117 (75h)

AT S23 General Bit-Mapped Options Status — 62 (36h)

AT S24 Sleep Inactivity Timer 0-255 seconds 10

AT S25 Delay to DTR Off 0-255 seconds 5

AT S26 RTS-to-CTS Delay 0-255 hundredths of a second 1

AT S27 General Bit-Mapped Options Status — 73 (49h)

AT S28 General Bit-Mapped Options Status — 0

AT S30 Disconnect Inactivity Timer 0-255 tenths of seconds 0

AT S31 General Bit-Mapped Options Status — 194

AT S32 XON Character 0-255, ASCII decimal 17 (11h)

AT S33 XOFF Character 0-255, ASCII decimal 19 (13h)

AT S36 LAPM Failure Control — 7

AT S37 Line Connection Speed — 0

AT S38 Delay Before Forced Hangup 0-255 seconds 20