User's Manual

Telit TRIZIUM Product Description

80264ST10007a Rev. 4– 09/09/04

5.4.3.3 +COPS - operator selection

+COPS – operator selection

Execute command

Read command

AT+COPS?

Returns current value of <mode>,<format> and <oper>

Write command

AT+COPS =

[<mode>[,<format>[,<oper>]]]

Forces an attempt to register the GSM network operator, <mode> parameter

defines whether the operator selection is done automatically or it is forced with

<oper> parameter.

Parameters:

<mode> = 0 - automatic choice (the parameter <oper> will be ignored)

<mode> = 1 - manual choice

<mode> = 3 - set only <format> parameter (the parameter <oper> will be

ignored)

<format> = 0 - alphanumeric max length 16 digits

<format> = 1 – alphanumeric short form

<format> = 2 - Numeric 5 digits [country code (3) + network code

(2)]

<oper>: network operator in the <format> parameter defined format.

Note: if manual choice selection operator is not available no other operators will

be chosen for registration.

Test command

AT+COPS=?

Returns the list of network operators in the format:

+COPS: ( <stat> ,<oper (in format=0)>,””,<oper (in format=2)> )

where the new parameter stat defines the status of the operator:

<stat> = 0 – unknown

<stat> = 1 – available

<stat> = 2 – current

<stat> = 3 – forbidden

Note: since with this command a network scan is done, this command may

require some seconds before the output is given.

Example

Reference GSM 07.07

SW release Version A