I have developed some BlackBerry apps like that .It continually monitors outgoing calls and when the number dialed is an International one , it would automatically disconnect the call , dial a local access number and then send the original number .I have developed a wide range of applications like UI development and I have developed a number of highly complex Call management, file and picture processing applications for BlackBerry , Palm , Symbian ,Android etc . I have also expertise in developing applications that needed advanced knowledge of Telephony , SMS , messaging , networking etc .I have developed many applications that run in the background and can automatically deal with call , SMS etc. So you can be sure of my skills to do this Job .I have developed many web enabled applications for information purposes , entertainment and various custom purposes like animation , games etc.I have developed many BlackBerry and Android applications that can show live information like weather , sports fixtures , flight details etc . I have done such application for XML , JSON , WSDL , SOAP based requests. I have also experience in developing many web enabled BlackBerry applications that can interact with websites and post / retrieve particular data , videos etc. I have experience in developing many applications for BlackBerry , Symbian , Android versions.I have also expertise in developing applications that needed advanced knowledge of Telephony , SMS , messaging , networking etc .