
Chapter 21 – Unsolicited AT Result Codes
Multi-Tech Systems, Inc. CDMA Wireless AT Commands (PN S000294J)
168
Voice Mail Indicator +WVMI
Description:
This response indicates the status of the Voicemail Inbox.
Syntax:
Response syntax: +WVMI: <LineId>,<Num>
Command
Possible Responses
+WVMI:
1,2
OK
Note: 2 messages are in your voicemail box.
Values:
<LineId>
1
Line 1
<Num>
The number of messages waiting in the inbox. Maximum value is 99.
0
No message waiting.
1
One message is waiting
3
Three messages are waiting
Example:
AT+CPHS?
Interrogate the status of CPHS functionality
+CPHS: 1,0
The voice mail indicator functionality is deactivated
OK
AT+CPHS=3,1
Syntax error
+CME ERROR:
3
AT+CPHS=1,1
Activate the voice mail indicator functionality
OK
AT+CPHS?
Interrogate the status of CPHS functionality
+CPHS: 1,1
The voice mail indicator functionality is activated
OK
**** the message box contains 1 message *****
+WVMI: 1,1
A message is waiting on Line 1
AT+CPHS=2,1
Interrogate the status of voice mail indicator functionality
OK
+WVMI: 1,1
A message is waiting on LINE 1
AT+CPHS?
Interrogate the status of CPHS functionality
+CPHS: 1,1
The voice mail indicator functionality is activated
OK
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.
Power Save +WSPS
Description:
This response is output whenever a change occurs in the power save status. The +WSPS: 1 response
indicates that the module is unable to obtain a radio network connection and is temporarily suspending its
search. This suspend mode lasts for about 3 minutes. The +WSPS: 0 response indicates that the module is
again actively searching for a radio network connection. This feature helps to conserve battery power in
cases where coverage is marginal.
Note:
This response is not used in Verizon software versions.
Syntax:
Response Syntax: +WSPS: <state>
Command
Possible responses
+WSPS:
1
Note: Entering power save mode.
+WSPS: 0
Note: Leaving power save mode.
AT+WSPS?
Note: Display current power mode state.
+WSPS: 0
OK Note: Not in power save mode.
<state>
0
Leaving power save
1
Entering power save