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Preferred message storage +cpms, Show text mode parameters +csdh – Multi-Tech Systems CDMA Wireless Modem User Manual

Page 57

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Chapter 8 – Short Messages Commands

Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C

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Preferred Message Storage +CPMS

Description: This command allows the message storage area to be selected (for reading, writing, etc).

The total storage area size is: 30 for “MT”, “MO”, “BC” and 10 for “SR”. For RUIM software
loads, these sizes vary and are dependent on the configuration of the SIM card

.

Values:

: Memory area to be used to list, read and delete messages. It can be:

“MT”: SMS Mobile Terminated message storage in NV (default)
“BC”: CBM message storage in NV.
“SR”: Status Report message storage in NV.

: Memory used to write and send messages.

“MO”: Mobile Originated SMS message storage.

In response to a properly entered +CPMS command, the following message indication is
sent:

+CPMS:

,,,

where:

is the number of used locations for the select area “MT”, “BC”, or “SR” and
is the number of used locations for the “MO” area. is the total number of
available storage locations (shared by all storage areas).

When is selected, all following +CMGL, +CMGR and +CMGD commands are
related to the type of SMS stored in this memory.

Syntax:

Command syntax: AT+CPMS=,[]

Command

Possible Responses

AT+CPMS=?
Note: Display available message
storage areas.

+CPMS: (“MT”,”BC”,”SR”),(“MO”)
OK
Note: Read, list, delete: SMS, CBM or SMS Status Report. Write,
send: SMS

AT+CPMS?
Note: Display currently selected area
information.

+CPMS: “MT”,3,30,”MO”,3,30
OK

AT+CPMS=”AM”
Note: Select invalid message storage
area.

+CMS ERROR: 302

AT+CPMS=”BC”
Note: Select CBM message storage

+CPMS: 2,30,3,30
OK
Note: Read, list, delete CBM from NV RAM

Show Text Mode Parameters +CSDH

Description: This command gives additional information on text mode result codes. This information is

given in brackets in the +CMTI, +CMT, +CDS, +CMGR, +CMGL commands.

Syntax:

Command syntax: AT+CSDH

Command

Possible Responses

AT+CSDH?
Note: Current value

+CSDH: 0
OK
Note: Do not show header values