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these are extracted from S45_ME45/AT-Commands/GPRS_AT_CommandSet.pdf |
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AT Command Set - Hayes Standard: |
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A/ Repeat last command |
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AT... Prefix for all other commands |
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ATA Accept call |
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ATD<str>; Dial the dialing string <str> with the voice utility |
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Valid dial modifiers: :"I" (restrict AT+CLIR), "i" (suppress AT+CLIR) for next |
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call ,T (tone dialing), P (pulse dialing) is ignored. |
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The character ; is important, for this tells the phone that the call should be set |
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up with the voice utility. Otherwise an attempt is made to set up a data call, |
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which the phone immediately acknowledges with ERROR. |
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The dial command returns OK to the user immediately after starting a voide call. |
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Other behavior like *# sequences in the dial command and also data calls |
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remain unchanged. |
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ATD><n>; Dial the telephone number from the current telephone book location number |
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<n> |
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The telephone book is selected with the command AT+CPBS (or AT^SPBS). |
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ATD><mem><n>; Dial the telephone number from the telephone book <mem> location number |
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<n> |
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ATDL Dial last telephone number |
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ATE0 Deactivate command echo |
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ATE1 Activate command echo |
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ATH[0] Separate connection |
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ATQ0 Display acknowledgments |
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ATQ1 Suppress acknowledgments |
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ATV0 Display acknowledgments as numbers |
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ATV1 Display acknowledgments as text |
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AT&F[0] Reset to factory profile |
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ATZ Set to default configuration |
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&C[n] Circuit 109 (Received line signal detector / DCD) behaviour |
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&C0 DCD always ON |
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&C1 DCD ON if carrier detected |
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&D[n] Circuit 108 (Data terminal ready / DTR) behaviour |
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&D0 DTR ignored |
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&D1 On DTR ON to OFF: go to online command mode, don't disconnect |
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&D2 On DTR ON to OFF: disconnect go to command mode. Automatic answer is |
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disabled while DTR OFF. |
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\Q[n] Local flow control selection (DTE « DCE) |
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\Q0 Disable flow control |
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\Q1 XON-XOFF software flow control |
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\Q2 CTS only flow control |
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\Q3 RTS/CTS flow control |
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Acknowledgments for normal data communication: |
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OK 0 Command executed, no errors |
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RING 2 Ring detected |
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NO CARRIER 3 Link not established or disconnected |
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ERROR 4 Invalid command or command line too long |
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NO DIALTONE 6 No dial tone, dialing impossible, wrong mode |
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BUSY 7 Remote station busy |
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