See this!
shapePHONE RingMaster - Ver. 1.0.0
Specifications summarized in English
-Platform: Windows XP (SP1/SP2/SP3 or above)
-DTMF Dialer through Sound Board for SIP User Agent: Express Talk
-Plays the bell of the own telephone standard
-Interrupt the speakers' sound
-Shuts down Windows MediaPlayer or other players (during a call)
-Closes programs selected in your personal list during a call
-Speaks the number of the typed key
-Dialtom standard when the phone off hook
-Shuts down, or cancel, the call when putting the phone in the hook
-Language: Portuguese Brazil
-The dial-up should be made by the keyboard of the own telephone receiver (that will be of exclusive usage for VoiP).
-The computer should always be on so that you is possible to receive or to make calls...
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http://www.nika.com.br/RingMasterMercadoLi...gMasterCmd.html