Specifications

Command Reference

Rev 3.2 Oct.05 85

+COPS (continued) Operator selection (continued)

+COPS? returns the current mode and the currently selected operator. If no

operator is selected, <format> and <operator> are omitted.

+COPS=? returns a list of quadruplets, each representing an operator present

on the GSM network, follows by a list of supported <modes> and <format>s:

+COPS: <status>,<loperator>,

supported <mode>s,supported <format>s

Each quadruplet consists of a <status> integer indicating the availability of the

operator, the long <loperator> and short <soperator> alphanumeric names of

the operator, and the <noperator> numeric code for the operator. If any of the

formats is unavailable, its field is empty (not omitted).

Note: Operators are listed in this order: home network, networks listed in the

SIM card, and other networks.

Supported values

<mode> sets how the modem should determine the GSM operator. It can be

one of four values:

• <mode>=0: Automatically (<operator> field is ignored)

• <mode>=1: Manually (<operator> field required, no operator selected if not

available)

• <mode>=2: Deregister from the network.

• <mode>=3: Only set the <format> (for the read command +COPS?)—do not

attempt registration/deregistration. The <operator> field is ignored.

• <mode>=4: Manually if possible (<operator> field is required). If manual

selection fails, the modem switches to automatic (<mode>=0).

<format> selects which format to use for the <operator> parameter. It can be

one of three values:

• <format>=0: Long format alphanumeric (equivalent to <loperator> from

+COPS=?).

• <format>=1: Short format alphanumeric (equivalent to <soperator>).

• <format>=2: numeric (equivalent to <noperator>).

<operator> is a string, whose type is determined by the <format> parameter.

The long alphanumeric format can be upto 16 characters long, and the short up

to 8 characters. The numeric format is the GSM Location Area Identification

number (see the standard GSM 04.08[8] subclause 10.5.1.3), in the format:

Continued on next page.

Table 3-9: Command Reference Table (ASCII Alphabetic)

Command Description