ii
ATOn (on-line, where n = 0, 1) ............................................................. 19
ATQn (result code, where n = 0, 1) ................................................... ....19
ATV n (verbal result, where n = 0, 1) ..................................................... 19
ATXn (result code selection, where n = 0–4) ........................................... 19
ATZn (soft reset, where n = 0, 1) ........................................................... 20
ATDPxxxx (voice call, where x = 0–9) ....................................................20
ATF3 (Handsfree/mute) ........................................................................ 20
ATF4 (Hold) ......................................................................................... 20
ATF5 (Select) .......................... .............................................................20
ATH0 (hang up data call) ..................................................................... 20
ATHP (hang up voice call) .....................................................................20
ATTSP! (transparent mode) ...................................................................20
ATIn (product identification code, where n = 0, 1, 4) ..............................21
AT&Cn (carrier detect control, where n = 0, 1) .......................................21
AT&Dn (response to DTR, where n = 0–3) .............................................. 21
AT&Rn (clear-to-send options, where n = 0, 1) .................... ...................21
AT&Sn (data-set-ready options, where n = 0, 1) ..................................... 21
AT&F (factory configuration profile) ....................................................... 21
AT&Yn (recall user profile on power-up, where n = 0, 1) ........................22
S-registers 22
ATSn=x ...............................................................................................22
ATSn? .................................................................................................22
S0 (number of rings incoming; range = 0–255) ......................................22
S1 (ring count; read only) ..................................................................... 23
S2 (escape character; range = 0–255) ..................................................23
S3 (carriage return character; range = 0–127) ....................................... 23
S4 (line feed character; range = 0–127) ............... .................................23
S5 (backspace character; range = 0–32, 127) .................... ...................23
S9 (carrier detect response time) ...........................................................23
S10 (lost carrier hand up delay) ............................................................ 23
S11 (DTMF tone duration) .....................................................................23
S6 (waiting time before blind typing) ..................................................... 23
S7 (wait time for carrier/dial tone; range = 1–255) ................................ 23
S8 (pause time for comma; range = 0–255) ...........................................24
S12 (escape code guard time; range = 0–255) ......................................24
S52, S53, S54 (product code response) ................................................. 24
Contents