Unstructured supplementary service data call control manager within a wireless network
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United States of America Patent
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Sep 10, 2013
Grant Date -
Jun 12, 2008
app pub date -
Feb 18, 2008
filing date -
Nov 24, 2004
priority date (Note) -
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Abstract
A system and apparatus for call control management using the Unstructured Supplementary Service Data (USSD) protocol. The system and apparatus uses USSD messages between the wireless private network subscriber and a wireless network to provide subscribers with information about callers and routing options of the call. The subscriber can also inform the system using USSD messages how to proceed with the call. The system provides USSD messages such as but not limited to, transferring the call to another subscriber with canned messages, transferring the call to a subscriber's voice mail, establishing a conference call, swapping to other call, creating new call, consulting with other person, transferring to specific predefined person, hold, consulting with other person via canned message, etc. The system and apparatus also exchanges device status information using USSD messages.
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