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GSM - sending sms speed is blocked by the incoming call

Posted on 2007-04-09
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Last Modified: 2013-12-09
Hi,
 I am developing software to send bulk sms. I have motorola L2 mobile. I have one library downloaded from sourceforge.net Which sends AT commands to the modem.  When the mobile is started to send messages, It sends 30 to 34 messages per minute. When it receives a single incoming call it is getting slow. It sends only 6 to 10 messages per minute. Even after the call ends.

After ending the voice call also it didn't pick up the previous speed.

Before voice call - 30 to 34  sms per minute.
During the voice call - 1 to 3 sms per minute.
After ending the voice call - 6 to 10 sms per minute.

My problem is, why it didn't send 30 - 34 sms per minute even after ending the voice call.

  Now I need to keep the same speed when it started to send.
Or atleast can i block the all incoming calls (even missed calls also). Is there any AT commands to avoid incoming calls or any other go?


Platform Information:
1) Visual Studio 2005 with DotNet Framework 2.0 (C#.Net)
2) Zippys USB Dongle with BlueSoleil 2.1.3.0
3) Motorola L2 mobile
4) SMSLib Library as core, downloaded from SourceForge.net

Thanks in advance.
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Question by:godwindotnet
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2 Comments
 
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Accepted Solution

by:
KiyamKadir earned 500 total points
ID: 18909811
what i am suggesting is a simple DIVERT ALL INCOMING VOICE / CALL to any where you like.

then your problem should be solved, since by this you never receive the ALRT signal on the GSM handset and therefore the timeslot between mobile and BTS will never cleared from Data to Voice.

give it a try.

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Author Comment

by:godwindotnet
ID: 18916956
Thank you so much. It works fine. If you find any solution other than this also please update me.
Regards,
godwin
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