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

Page 172

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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 (, 0x0D)

This is the last text line

Edit last line and send message by pressing (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.