Example of a call waiting situation, Examples about short messages – Multi-Tech Systems CDMA Wireless Modem User Manual
Page 172

Chapter 21 – AT Command Examples
Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C
172
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 (
This is the last text line
Edit last line and send message by pressing
+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.