Nokia PHONES AND AT COMMANDS User Manual

SUPPORT GUIDE FOR

THE NOKIA PHONES AND AT

COMMANDS

Contents

1. INTRODUCTION..............................................................................................................1

2. BASIC AT-COMMANDS................................................................................................... 1

3. SENDING AND RECEIVING AN SMS ............................................................................. 2

SENDING AN SMS ..............................................................................................................2

RECEIVING AN SMS ........................................................................................................... 3

4. HIGHSPEED AT-COMMANDS ........................................................................................4

5. GPRS AT-COMMANDS ................................................................................................... 6

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1. INTRODUCTION

How to read/write SMS, start a modem, HSCSD or GPRS connection with Nokia phones by using AT-commands.

2. BASIC AT-COMMANDS

Before making a dial-up connection it is recommended to reset the modem in phone and also set the flow control. If you have PIN-code request on it can be typed in also with ATcommand (I e Nokia Card Phone may need this when used in non Windows environment).

Below some useful AT-commands:

Check that the connection between the phone and device works AT

- should give OK for response

Reset the modem and set the factory defaults ATZ&F

No flow control AT&K[0]

Hardware flow control (CTS/RTS) AT&K3

Software flow control (XON/XOFF) AT&K4

Type in PIN-code in terminal AT+CPIN="pppp"

- where pppp is your pin code. Yes, the double quotes are needed

Check signal strength AT+CSQ

- value close to 0 means no field. Value 31.99 is maximum.

Start a data call ATDT nnnnnnn

- where nnnnnnn is the phone number.

Start a voice call ATDT nnnnnnn;

- where nnnnnnn is the phone number. Note the semicolon (;) is needed!

Hang up the call ATH

Answer incoming call ATA

During a call you can return to AT command interpreter with command +++ (three times plus). Then you can give AT commands during a call. This is useful when calling to I e banking service which requires you to enter information with keypad (especially when using Nokia Card Phone).

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