User guide

Chapter 14 – Short Message Service Control Commands
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C) 78
General Codes
32768 SMS OK. Message successfully delivered
to base station
32770 Out of resources
32771 Message too large for access channel
32772 Message too large for dedicated channel
32773 Network not ready
32774 Phone not ready
32775 Not allowed in AMPS
32776 Cannot send broadcast
SMS Message Storage Full +WMGF
Description: This response indicates that the SMS Service Center has attempted to send an SMS message
but it was rejected because SMS Message Storage is Full. No new SMS messages will be
received until some room is created by deleting old messages from SMS storage. Message
deletion can be done using AT+CMGD.
Syntax: Response Syntax: +WMGF
Example Result
+WMGF
Note: Incoming message rejected. Message center notified with “out of resources” message.
Message center will attempt to re-send the message at a later time.
SMS Read Acknowledge Enable +WSRA
Description: This command enables or disables sending an SMS to acknowledge the reading of an MT SMS.
If enabled, a point-to-point SMS will be sent back to the origination address of the MT SMS when
the SMS is read using AT+CMGR command. The message type contained in the Message ID
Bearer for the SMS is Read Acknowledge.
This setting is saved in non-volatile memory. It is also restored to the default value by the restore
to factory defaults command, AT&F.
Syntax: Command Syntax: AT+WSRA=[<val>]
Command Possible Responses
AT+WSRA OK
Note: Set default value of 0
AT+WSRA=1 OK
AT+WSRA?
Note: Current value
+WSRA: 1
OK
AT+WSRA=? +WSRA: (0-1)
OK
Note: Test Command
Values: <val>
0 SMS Read Acknowledge capability is disabled (Default)
1 SMS Read Acknowledge capability is enabled