Multi-Tech Systems CDMA Wireless Modem manual Example of a Call Waiting Situation

Chapter 21 – AT Command Examples

Example of a Call Waiting Situation

When the MS is Powered On.

AT+CMEE=1	Enable the reporting of mobile equipment errors
OK
ATD8585551212;	Make a voice call
OK	ATD Command is being processed
+WORG:8585551212	Indication of call origination sent to the Base Station with dialing string 18001234567
+WCNT:3	Call Connected with CDMA Service Option 3, Traffic channel established.
Conversation…	Conversation with first call.
+CCWA:”8582701234”,129	Indication of another incoming call. You will also hear a beep sound in the earpiece.
AT+WFSH	Send a flash to the Base Station (toggle to the second call).
OK	AT command is being executed.
+WFSH	Flash sent to the Base Station. Call switches to the second call. However, this is not 100%
	guaranteed because the there is no confirmation from the Base Station.
Conversation…	Conversation with second call.
Repeat as Necessary
ATH	Release the all calls.
OK	ATH command is being executed.
+WEND:10	Calls End

Examples About Short Messages

Example 1: Receive a Short Message

AT+CNMI=2,1,1,1,0	SMS-DELIVERs are stored in NV, SMS-STATUS-REPORTs are routed to TE
OK
+CMTI:"MT",0	New message received. Message store in “MT” memory at index 0.
AT+CNMI=2,2,1,1,0	SMS-DELIVERs are routed to TE
+CMT:"8585551212","02/05/17,10 :43 :07",129,1,2,0,”5550000”,17
Test SMS Message	Received message.
AT+CNMA	Acknowledge the received message to the network.
OK

Example 2: Send a Short Message

AT+CNMI=2,1,1,1,0	SMS-DELIVERs are stored in NV, SMS-STATUS-REPORTs are routed to TE
OK
AT+CMGS=”8585551212”	Send a SMS-SUBMIT to mobile phone
	Product sends a 4 characters sequence: 0x0D 0x0A 0x3E 0x20
This is the first text line	Edit first line and press carriage return (<CR>, 0x0D)
This is the last text line	Edit last line and send message by pressing <ctrl-Z> (0x1A)
+CMGS: 1	Success: message reference 1 is returned from the SMS Service Center

+CDS:2,1,"8582431439",129,"02/05/17,10 :14 :17","02/05/17,10 :14 :27",32768

Success: report of successful message delivery received. Time of sending of the message and receiving of the acknowledgment from the SMS Service Center is reported, along with the status code.

Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C 172