GM862-GPS Software User Guide - SemiconductorStore.com

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GM862-GPS Software User Guide1vv0300729 Rev. 4 - 24/01/073.5.7 Reading an SMSA new SMS can be read with the command:• send command AT+CMGR=where:: SMS location index• wait for response in the format:Output format for received messages (the information written in italics will be present depending on+CSDH last setting):+CMGR: ,,,[,,,,,,,]Output format for sent messages:+CMGR: ,,[,,,,,,,,]Output format for message delivery confirm:+CMGR: ,,,,,,,where: - status of the message"REC UNREAD" - new received message unread"REC READ" - received message read"STO UNSENT" - message stored not yet sent"STO SENT" - message stored already sent - first octet of the message PDU - message reference number - arrival time of the message to the SC - sending time of the message - message status as coded in the PDU - Protocol Identifier - Data Coding Scheme - Originator address, string type represented in the currently selected character set (see+CSCS) - Destination address, string type represented in the currently selected character set (see+CSCS) - string type alphanumeric representation of or , corresponding to an entry foundin the phonebook; used character set is the one selected with command +CSCS. NB: thisoptional field is currently not supported. - Service Centre number,, - type of number ,,129 - number in national formatReproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 74 of 111
GM862-GPS Software User Guide1vv0300729 Rev. 4 - 24/01/07145 - number in international format (contains the "+") - text length - TP-User_data• If indicates that GSM03.38 default alphabet is used , each character of GSM alphabet willbe converted into current TE character set (see +CSCS)• If indicates that 8-bit or UCS2 data coding scheme is used, each 8-bit octet will beconverted into two IRA character long hexadecimal number (e.g. octet 0x2A will be converted astwo characters 0x32 0x41)NOTE: in both cases if status of the message is 'received unread', status in the storage changes to'received read'.NOTE: an error result code is sent on empty record .For example:1- Let's assume you want to read the SMS that is stored at the position index 4. We suppose youalready have set up the device for text SMS mode as described on the previous paragraphs:command:AT+CMGR=4response:+CMGR: "STO UNSENT","+393351234565"Telit Test Message for Text Mode SMS.OKIn this case the SMS was successfully read, the text contained was:" Telit Test Message for Text Mode SMS."The message was written to the storage by user (STO) but still not sent (UNSENT) to the destinationaddress that's the number +3933512345652- Let's assume you want now to read the SMS that is stored at the position index 5:command:AT+CMGR=5response:+CMGR: "REC UNREAD","+393381234567890", ,"29/06/01,12:30:04+01"Telit Test Message for Text Mode SMS RECEIVING.OKIn this case the SMS was successfully read, the text contained was:" Telit Test Message for Text Mode SMS RECEIVING."The message was received (REC) from the number +393381234567890 at 12:30:04 the day 29/06/01in the European time zone +1.After this read command the message at index 5 becomes REC READ.Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 75 of 111
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