Syed Ahson is a senior software design engineer with Microsoft. As part of the Mobile Voice and Partner Services group, he is currently engaged in research on new and exciting end-to-end mobile services and applications. Before joining Microsoft, Syed was a senior staff software engineer with Motorola, where he contributed significantly in leading roles toward the creation of several iDEN, CDMA, and GSM cellular phones. He has extensive experience with wireless data protocols, wireless data applications, and cellular telephony protocols. Before joining Motorola, Syed worked as a senior software design engineer with NetSpeak Corporation (now part of Net2Phone), a pioneer in VoIP telephony software.