how to dial phone using java programe

when i connect the mobile phone to computer through usb. So then i want to giv commands usin computer program to phone. As a example Dialing number,busy tone to incoming开发者_高级运维 call like that.... i heard AT command can do this kind of things. is there any possibility to do this job using java command and AT command.. what are the recommended from u. & if u can show me simple code which can dial number using java that will helpfull to me to understand.

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You need to connect your phone as modem then you can fire AT commands to do the same.
Check

• send-sms-via-at-command-by-using-java
• Java-sending-AT-Commands-GSM