USR-GPRS232-730 Serial GSM GPRS Modem is a wireless terminal equipment which can convert serial RS232 or RS485 data to the Internet or convert network data to serial port through the 2G network. Supports AT command.

From LiteMobile Software:
Headwind SMS Communicator is a program for sending SMS through a mobile phone or GSM modem connected to your PC. The software automatically finds a GSM device, determines its capabilities,and selects the best mode for SMS communication. Headwind SMS Communicator is always available in a system tray; the program immediately notifies you when a new message from your subscriber is coming. The short message may be sent to one or multiple phones. The software includes the address book where new entries may be imported from an external source. The software supports long SMS, flash SMS and WAP Push messages. You can also check the SIM card balance by sending a USSD command.

Headwind Sms Communicator Serial Port Settings

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Active5 years, 5 months ago

I am using Serial port to send sms through a GSM/Modem .My code is working with single sms. The problem arise when I try to send sms in bulk. Then no sms are sent and no exceptions are generated.

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Class1 above is used to connect and send sms


Code For Main Program

I have invested a lot of time on solving this problem but without success. Your help will be appreciated

Headwind sms communicator serial port settingsFeliceM

Headwind Sms Communicator Serial Port Orange

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1 Answer

I would suggest using a tool like Portmon (http://technet.microsoft.com/en-us/sysinternals/bb896644.aspx) to make sure your messages are being recieved by the modem.

If they are you may want to check with your carrier as a lot of them blackhole bulk sms messages. (to avoid spammers and the like)

Bruce BurgeBruce Burge
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