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Smart Machine Smart Decision

SIM900_AT Commands Manual_V1.07 177 2012.12.10

Parameter

See Write Command

Response

CONNECT

If error is related to ME functionality:

+CME ERROR: <err>

Write Command

AT+CGDATA=<

L2P>,<cid>

Parameters

<L2P> A string parameter (string should be included in quotation

marks) that indicates the layer 2 protocol to be used between the

TE and MT:

PPP

Point to Point protocol for a PDP such as IP

Other values are not supported and will result in an ERROR

response to the execution Command.

<cid> A numeric parameter which specifies a particular PDP context

definition (see +CGDCONT Command)

1..3 PDP Context Identifier. Cid 3 is reserved and is always

defined, it cannot be changed by user.

Reference

Note

7.2.7 AT+CGPADDR Show PDP Address

AT+CGPADDR Show PDP Address

Response

+CGPADDR: (list of defined <cid>s)

Test Command

AT+CGPADDR=

Parameters

See Write Command

Response

+CGPADDR: <cid>,<PDP_addr>

[<CR><LF>+CGPADDR: <cid>,<PDP_addr>[…]]

ERROR

Write Command

AT+CGPADDR=

<cid>

Parameters

<cid> A numeric parameter which specifies a particular PDP context

definition (see +CGDCONT Command) If <cid> is not specified,

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CSSN 900 Spezifikationen Seite 177