SMS tutorial C Send Receive realtime SMS PDU mode

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0:00 GSM and AT commands • 1:25 GSM modes: PDU vs. Text • 2:13 AT command syntax • 2:29 Text mode: Single SMS • 4:06 Text mode: Long SMS • 5:22 PDU mode: Single SMS • 6:00 PDU single SMS breakdown • 9:24 PDU mode: Long SMS • 10:20 PDU long SMS breakdown • 13:30 Windows Forms App, Send SMS • 1:19:42 Receive SMS and save to JSON file • 2:03:31 Read SMS • ----------------------------------------------------------------------------------------------------------- • In this tutorial, I'll show you the how GSM modem works and what are AT COMMANDS , their purpose and functionality, and how do we use them to get our desired results. • This tutorial mainly focuses on GSM modes PDU (and a brief explanation on Text mode) • PDU is the default language of GSM modems (including your mobile phone) which uses GSM7 encoding scheme to pack information to be sent and received by GSM equipment. This is the language all modems communicate to each other. • PDU mode's main advantage is its LONG SMS capability. • Unlike Text mode, PDU mode supports sending more than 160 characters, breaking the limit the Text mode has! Long SMS is divided into 160 characters called chunks . Each of these chunks has information attached to them that tells the receiver and the SMSC (Short Message Service Center) how the message will be arranged and wether the SMS is a multipart/long or single SMS. • ------------------------------------------Project------------------------------------- • https://github.com/manuelquiero/SMS_S... • ------------------------------------------LINKS---------------------------------------------------- • for reference, these are the sites, forums, and articles I have used to research about SMS PDU mode: • AT Commands, Text Mode, PDU Mode, SMS PDU Converter • https://m2msupport.net/m2msupport/sms... • Concatenated long SMS explanation • https://techsofar.com/combining-sms-m... • SMS PDU MODE SEND and RECEIVE • http://www.gsm-modem.de/sms-pdu-mode.... • Online SMS (single) PDU converter • http://smstools3.kekekasvi.com/topic.... • User Data Header (UDH) explanation Stackoverflow • https://stackoverflow.com/questions/2... • 7-bit PDU GSM7 • https://doubleblak.com/blogPosts.php?... • Send and Receive Concatenated SMS in PDU mode SAMPLE • https://shekharbiradar.wordpress.com/... • PHP How to build concatenated SMS PDU • https://stackoverflow.com/questions/1... • Concatenated SMS Messages Character Counts • https://spin.atomicobject.com/2011/04... • Online SMS PDU Encoder • https://www.diafaan.com/sms-tutorials... • Decimal-Hexadecimal table • https://kb.iu.edu/d/afdl • -------------------------------------------------TAGS------------------------------------------------------- • #sms #pdu #decoder #encoder #csharp #dotnet #winforms #json #asynchronous #async #multithreading #serialport • sms tutorial c# windows forms tutorial sms broadband gsm modem wavecom sim900 arduino sms receive sms send tutorial filipino text message app sms bulk send sms receive at command wavecom module sim card pdu mode SMS PDU receive encoder GSM7 bit Protocol data unit SMS telecoms long text message more than 160 SMS concatenated SMS tutorial C# JSON wavecom SIM900 SIM800 arduino hayes commands mobile phone gsm modem PDU vs TEXT 3g broadband stick sms send globe 4g broadband usb sms application send receive

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