Multitech MTCMR-H Guide de l'utilisateur télécharger pdf (Page 89)

Chapter 3 – Supported GSM/WCDMA AT Commands

High Speed HSPA-H4 AT Commands Reference Guide (Document S000483A) 89

+CGDATA Enter Data State

Description: This command causes the modem to perform the necessary actions to set up

communication between the DTE and the network. This may include performing a GPRS

attach and one PDP context activation.

GPRS attachment and PDP context activation procedures may take place prior to or during

the PDP startup if they have not already been performed using the +CGATT and +CGACT

commands.

If the activation is successful, data transfer may proceed.

After data transfer and layer 2 protocol termination procedure completion, the V.25ter

command state is re-entered and the modem returns the final result code OK.

Syntax:

Command Responses

Action Command:

AT+CGDATA [=<cid>]

CONNECT

Test Command:

AT+CGDATA=?

+CGDATA:

No Read Command

Values: <cid> PDP Context Identifier

Range: 1-4

Integer type

Parameter Storage: None

Examples:

Command Responses

T+CGDATA=? +CGDATA: "PPP"

T+CGDATA=1 CONNECT

+CGDCONT Define PDP Context

Description: This command specifies PDP context parameter values for a PDP context identified by the

local context identification parameter, <cid>. Four PDP contexts can be defined through the

software.

Syntax:

Command Responses

Action Command:

AT+CGDCONT=<cid>[,<PDP_type>[,

[,<h_comp>]]]]]

Read Command:

AT+CGDCONT?

+CGDCONT:

<cid>,<PDP_type>,<APN>,<PDP_addr>,

<d_comp>, <h_comp>

[+CGDCONT: <cid>,<PDP_type>,<APN>,

<PDP_addr>,<d_comp>,<h_comp> […]]

Test Command:

AT+CGDCONT=?

+CGDCONT: (list of supported <cid>s),

<PDP_type>,,,

(list of supported <d_comp>s),

(list of supported <h_comp>s)

[+CGDCONT: (list of supported <cid>s),

<PDP_type>,,,(list of supported <d_comp>s),

(list of supported <h_comp>s)[…]]

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