Nokia 8850 Manual Suplementar

AT Command Set for Nokia 8850

+CGMM Request ME Model Identification

This command displays the ME model identification. Response must include product
type. Note that in the case of a product with TA and ME in the same physical entity,
the response of the command +GMM is identical. (GSM 07.07 section 5.2.)

Syntax:

AT+CGMM

Display model identification.

AT+CGMM=?

Shows whether command has been
implemented.

+CGMR Request ME Revision Identification

This command displays the ME revision identification. Response must include
product SW version, HW version is optional. Note that in the case of a product with
TA and ME in the same physical entity, the response of the command +GMR is
identical. (GSM 07.07 section 5.3.)

Syntax:

AT+CGMR

Display revision identification.

AT+CGMR=?

Shows whether command has been
implemented.

+CGSN Request ME Serial Number Identification

This command displays the ME serial number, or the IMEI. Note that in the case of a
product with TA and ME in the same physical entity, the response of the command
+GSN is identical. (07.07 section 5.4.)

Syntax:

AT+CGSN

Display serial number.

AT+CGSN=?

Shows whether command has been
implemented.

+CHLD Call Related Supplementary Services

Controls call hold, multiparty and explicit call transfer supplementary service
operations similarly as defined in GSM 02.30 section 4.5.5.1. Supported parameter
values depend on which data services the product implements. (GSM 07.07 section
7.12.)

Syntax:

AT+CHLD=<n>
AT+CHLD=?

Show supported values.
Response is +CHLD: (list of supported
<n>'s).

<n> values:
0

release waiting call or held calls;

release active calls and accept other
(waiting or held) call;

release active call x; 2 = active calls on
hold and accept other (waiting or held)
call;

active multiparty call on hold except call x;

add held call to multiparty call;

connect held and active (or MO alerting)
call with each other (locally both calls are
disconnected).