GSMComm | GSM SMS library for C | SMS library
kandi X-RAY | GSMComm Summary
kandi X-RAY | GSMComm Summary
GSM SMS library for C#
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QUESTION
I have searched a lot but still couldn't find exactly what am looking for. Actually i'm working on a winforms app that will allow user to send bulk sms using GSMCOMM library with the help of a GSM Modem. What i have achieved so far is that i can send text messages that are <= 160 characters but problem begins when a message gets longer that 160 characters. I don't get any error and sms seemed to have been sent but its not actually. I'm sharing my code snippet that is used to send sms. Please have a look at it and let me know where the problem is. Thanks.
...ANSWER
Answered 2018-Jul-03 at 09:08Alright, so after lots and lots of effort, research and minor change in the code i have got the solution and now it's working perfectly. I'm posting the solution that worked for me and I hope it will also help those who face the same problem.
Please make sure that the GSMCOMM library is up-to-date i.e. version 1.21.0 otherwise it may not work properly.
This is the correct code snippet. It will send short messages (i.e. less or equal to 160 chars) as well as long text message (i.e. more than 160 chars) as a single sms.
QUESTION
I am trying to communicate with GSM modem through serial port in c#.
So far i have been able to connect with it,send AT command to it and send SMS.
for SMS sending,i am sending the following AT command
...ANSWER
Answered 2017-Aug-10 at 12:29You should send USSD command like this:
AT+CUSD=1,"*121#",15
Also please note AT+CMGF
affects only SMS sending, not USSD.
You might also want to check this answer.
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