clcc

Instructions 1. Go to the step 1. Enter three colors2. Enable mtty to connect to the machine3. Enter rtask B and wait until "0" appears (you must wait until it appears)4. Enter atexit. (If you do not enter this command, you can only enter it blindly) 2. Input commandsFor example:To check the current signal quality At + CSQ My returned results + CSQ: 99,990 (Note: The returned result 0 indicates that the execution is complete, and 4 indicates that the command is not supported)You can try it out.

API does not differentiate between the start dialing to the other side of the reply.This way, if only the API is used, it is not possible to obtain accurate dialing timings (from the moment the connection starts), and only the timing information from the moment the start of the call can be obtained.However, in the underlying library, the phone state details these states, see the call class. It defines a more detailed state:IDLE, ACTIVE, HOLDING, dialing, alerting, INCOMING, waiting, disconnecte

. The at + wmsc Information Status (read or not, sent or not) is corrected. 20. Overwrite at + wmgo information. 21. At + wuss does not change the SMS status. Unread is maintained after execution of + cmgr or + cmgl. VII. Add service commands1. The at + ccfc call continues.2. At + clck call is forbidden.3. At + CPWD changes the append service password.4. At + ccwa call wait.5. At + clir call line validation restrictions.6. At + clip Call Line confirmation statement.7. At + Colp Tie Line confi

+ CRES recovery settings.At + CSDH parameters for text display.At + cnmi new information indication. This command selects how to receive short messages from the network.At + cmgr reads text messages. Information is read from the memory set by the + CPMS command.At + cmgl lists the stored information.At + cmgs sends information.At + cmgw writes short messages and stores them.At + CMSS sends information from the memory.At + CSMP sets the text mode parameters.At + cmgd Delete short messages. Delet

parameters.At + cmgd Delete short messages. Delete one or more messages.At + csca SMS service center address.At + CSCB select the Unit broadcast information type.At + wcbm unit broadcast information identifier.The at + wmsc Information Status (read or sent) is corrected.At + wmgo information overwrites data.At + wuss does not change the SMS status. Unread is maintained after execution of + cmgr or + cmgl.VII. Add service commandsAt + ccfc call continues.At + clck call prohibited.At + CPWD chang

information.At + cmgsSend information.At + cmgwWrite short messages and store them.At + CMSSSends information from the memory.At + CSMPSet text mode parameters.At + cmgdDelete short messages. Delete one or more messages.At + cscaThe address of the SMS service center.At + CSCBSelect the Unit broadcast information type.At + wcbmUnit broadcast information identifier.At + wmscInformation Status (read or not, sent or not.At + wmgoOverwrite information.At + wussDoes not change the SMS status. Unread

. Unread is maintained after +cmgr or +CMGL is executed.Seven. Append Service Command1. AT+CCFC call continues.2. At+clck call Forbidden.3. At+cpwd Change the Append service password.4. AT+CCWA Call Waiting.5. At+clir Call Line confirmation limit.6. At+clip Call Line Confirmation statement.7. AT+COLP Contact Line Confirmation statement.8. AT+CAOC expense report.9. AT+CACM Cumulative call metering.10. At+camm Cumulative call metering maximum value.11. AT+CPUC Price and Currency table.12. AT+CHLD

information type. 18. At + wcbm unit broadcast information identifier. 19. The at + wmsc Information Status (read or not, sent or not) is corrected. 20. Overwrite at + wmgo information. 21. At + wuss does not change the SMS status. Unread is maintained after execution of + cmgr or + cmgl. VII. Add service commands1. The at + ccfc call continues.2. At + clck call is forbidden.3. At + CPWD changes the append service password.4. At + ccwa call wait.5. At + clir call line validation restrictio

MODEL identification) AT+CGMR requires correction of identification (Request REVISION identification) AT+CGSN requires product serial number identification (equivalent +GSN) ( REQUEST PRODUCT SERIAL number identification (identical with +GSN) At+cscs Select the Te character set (select Te CHARACTER SET) at+csta Select the address type ( SELECT TYPE of ADDRESS) AT+CHLD telephone hangs and multi-line (teleconference) (call hold and multiparty) At+cimi request International Mobile user identity (r

VII. Add service commands At + ccfc The call continues. At + clck Call prohibited. At + CPWD Change the append service password. At + ccwa Call wait. At + clir Call Line validation restrictions. At + clip Call Line confirmation statement. At + Colp Contact Line confirmation statement. At + caoc Expense report. At + CACM Cumulative call measurement. At + camm Maximum cumulative

position of a short messageShort Messages overwrite at + wmgo to write a short message and put it in the first blank spaceCall Transfer at + ccfc set call transferInbound carrier at + clck: Lock the inbound carrier and restrict inbound or outbound callsChange the SS password at + CPWD modify the password for providing servicesCall wait at + ccwa control call wait ServiceCall Line Limited at + clir control call line AuthenticationCall line display at + clip display current call line Authenticati

for modem of different grades are different. Please read the modem user manual carefully to use at commands correctly. The common at command test is as follows. Students can pick out a part of the test.(1) Change the pin code. At + cpin = "1234", "5678" (2) Ask about signal strength At + CSQ (3) query user numbers At + cnum (4) mobile activity status query At + CPAs Parameters: 0 me ready 1 me unavailable 2 unknown, me not ready 3. zhenling 4. The call is in progress. 5 sleep, me not ready (5)