Siemens Mobile Phone Specifications download pdf (Page 13)

AT Command Set for L55 Platform 2003-11-21

ATD<str>;

Dial the dialing string <str> with the voice utility

Valid dial modifiers:

I restrict AT+CLIR

i suppress AT+CLIR) for next call

T tone dialing

P pulse dialing

is ignored

The finishing character ”;” indicates to the phone that the call is to be set up with

the voice utility. Otherwise, an attempt is made to set up a data call, which the

phone immediately acknowledges with ”ERROR”.

The dial command returns OK to the user immediately after starting a voice call.

Other behavior like *# sequences in the dial command, and also data calls

remain unchanged.

See also section 2.8.3

ATD><n>; Dial the telephone number from the current telephone book location number

<n>

The telephone book is selected using the AT+CPBS (or AT^SPBS) command.

ATD><mem><n>; Dial the telephone number from the telephone book <mem> location number

<n>

ATDx[;] Dial phone number x

I ISDN

The phone call will be made as a UDI call. An ISDN connection to a

V.110 terminal adapter will be established. The data transmission speed

is the same as for an “analog” call (2400 / 4800 / 9600 / 14400 bps).

PP Plus: same as + character

ATDL

Dial last telephone number

ATE0 Deactivate command echo

ATE1 Activate command echo

ATH[0]

Release existing connection

ATI[n]

Modem command according to [5]:

Display product code:

0 042

1 042

2 OK, (check firmware checksum)

8 Display supported operation modes (see ATB)

9 identification of modem and mobile phone

ATL[n]

Monitor speaker loudness (modem command according to [5])

ATM[n]

Monitor speaker mode (modem command according to [5])

ATO[n]

Switch back to transparent mode after +++ interruption

(modem command according to [5])

ATQ0

Display acknowledgments (responses or messages)

ATQ1 Suppress acknowledgments (responses or messages)

ATSn=x

Write value x to S register n

(modem command according to [5])

ATSn? Display value of S register n (modem command according to [5])

Note: This type of mobile phone does not allow the values of all S registers to

be displayed with a single command

ATV0

Display acknowledgments as numbers

ATV1 Display acknowledgments as text

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Siemens Mobile Phone Specifications Page 13

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