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HUAWEI MC509 CDMA LGA Module
AT Command Interface Specification

Internet Service Interface Commands

Issue 01 (2011-08-26)

Huawei Proprietary and Confidential

120

10.7 ^IPCLOSE–Command for Disabling a TCP/UDP
Connection

10.7.1 Syntax

Command

Possible Response(s)

^IPCLOSE=<link_id>

In case of an MT-related error:

<CR><LF>ERROR<CR><LF> or

<CR><LF>+CME ERROR:<err><CR><LF>

^IPCLOSE?

<CR><LF>^IPCLOSE:<link1_state>,<link2_state>,<l
ink3_state>,<link4_state>,<link5_state><CR><LF>

^IPCLOSE=?

<CR><LF>^IPCLOSE:(supported <link_id>
list)<CR><LF>

10.7.2 Interface Description

This command disables a TCP/UDP connection or disables the TCP/UDP function.

If <link_id> is set to 1

–5, it indicates that the corresponding established connection is

disconnected. To disconnect a TCP connection, four handshaking operations are
needed for both party. UDP connection can be disconnected directly.

If <link_id> is set to 6, it indicates that the server listening function is disabled for the
module.

If <link_id> is set to 7, it indicates that the module deregisters from the network,
which is similar to dial-up disconnection.

10.7.3 Parameter Description

<link_id>: Specifies the ID of a connection. The value ranges from 1 to 7.

–5: actual connection ID

6: established connection and the local server

7: disable all connections and PPP

<linkx_state>: Specifies the state of connection x.

0: Connection x is disabled and can be used.

1: Connection x is enabled and is being used.

10.7.4 Example

AT^IPCLOSE?