Chapter 21 – Unsolicited AT Result Codes
Multi-Tech Systems, Inc. CDMA Wireless AT Commands (PN S000294J)
160
Call Waiting Indication +CCWA
Description:
This response indicates that another incoming call is occurring during an existing call. See +WFSH for
information about handling call-waiting situations
Values: <caller_id>
Caller identification number
<type>
Always 129 for this response
Syntax:
Response syntax: +CCWA: <caller_id>, <type>
Example Result
+CCWA: 18005551212,129
Note: Incoming call from 1-800-555-1212, type always equals 129.
SMS Status Report Indication Directly Displayed +CDS
Description:
This response indicates an SMS status report has been received and according to the message storage
preferences (+CNMI), is to be directly displayed. +CDS is also used in the data compression functionality as
an active command. Refer to Chapter 16 (U
m
Interface Data Compression) for an explanation of +CDS
usage for data compression.
Values:
<mr>
Message Reference
<ra>
Recipient Address
<tora>
Type-of-Address of <ra>
<scts>
Service Center Time Stamp in string format : “yy/MM/dd,hh :mm :ss±zz”
(Year/Month/Day,Hour:Min:Seconds±TimeZone)
<dt>
Discharge Time in string format: “yy/MM/dd,hh :mm :ss±zz”
(Year [00-99], Month [01-12], Day [01-31], Hour, Minute, Second and Time Zone [quarters of
an hour] )
<st>
Status of a SMS-STATUS-REPORT (See Chapter 19)
Syntax:
Response Syntax: +CDS: <mr>, [<ra>] , [<tora>], <scts>,<dt>,<st> (Text mode)
Example Result
+CDS : 2, 116, ”3146290800”, 129, “98/10/01,12 :30 :07+04”, “98/10/01 12 :30 :08+04”, 0
Note: SMS status report received
SMS Status Report Indication Stored in Memory +CDSI
Description:
This response indicates an SMS status report has been received and according to the message storage
preferences (+CNMI), is to be stored in memory
.
Values:
<mem>
NVRAM storage area (always “SR” for this response)
<index>
location of message within storage area
Syntax:
Response syntax: +CDSI: <mem>,<index>
Example Result
+CDSI: “SR”,5
Note: SMS status report received and stored in “SR” memory at index 5
Key Press or Release +CKEV
Description:
This response indicates that a key has been pressed or released.
Values:
<key>
Key input (0-9, *, #)
<press>
0
: key release
1
: key press
Syntax:
Response syntax: +CKEV: <key>,<press>
Example Result
+CKEV: 9,0
Note: Indicates key 9 has been released