2 phone number dialing (data call), At+cbst=<mod>,0,<ce><cr, 1 dial a given phone number – Rainbow Electronics GE863-GPS low power User Manual

Page 29: Atd <phonenumber><cr

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GE863-GPS Software User Guide

1vv0300724 Rev. 3 - 05/07/07

Reproduction forbidden w ithout Telit Communications S.p.A. w ritten authorization - All Rights Reserved

page 29 of 122

AT+CBST==2, 0, 0

V.22

1200

transparent

AT+CBST==3, 0, 0

V.23

1200/75

transparent

AT+CBST==4, 0, 0

V.22Bis

2400

transparent

AT+CBST==6, 0, 0

V.32

4800

transparent

AT+CBST==7, 0, 0

V.32

9600

transparent

AT+CBST==65, 0, 0

V.110

300

transparent

AT+CBST==66, 0, 0

V.110

1200

transparent

AT+CBST==68, 0, 0

V.110 / X.31

2400

transparent

AT+CBST==70, 0, 0

V.110 / X.31

4800

transparent

AT+CBST==71, 0, 0

V.110 / X.31

9600

transparent


Once selected the appropriate <mod > and <ce> parameters from the table:

Send command

AT+CBST=<mod>,0,<ce><cr>

wait for

OK

response

2.7.2 Phone number dialing (data call)

2.7.2.1 Dial a given phone number

Send command

ATD <PhoneNumber><cr>

where:
<PhoneNumber> is the phone number to be dialed

wait for response:

Response

Reason

Action

CONNECT 9600

The called modem is now on
line.

exchange data..

BUSY

The line called is busy

retry later

NO ANSWER

The receiver did not answer the
call

retry later

NO CARRIER

The modem handshaking has
not been successful

check for mobile registration
and signal strength and
eventually retry.

TIP: The response to the ATD command is returned after the modem handshaking, this takes
about 30 seconds, so allow this time before doing anything.

TIP: When the device is doing the handshake the issue of any character closes the handshake
and aborts the call.

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