Invention Grant
US07933580B2 Emergency services for voice over IP telephony (E-VoIP) 有权
语音IP电话紧急服务(E-VoIP)

Emergency services for voice over IP telephony (E-VoIP)
Abstract:
A method for determining the physical coordinates of a VoIP phone and transmitting the physical coordinates to an emergency services call center or the like comprises the steps of determining the physical coordinates of the VoIP phone using signals from a GPS or cellular network, placing a call to an emergency services call center using the VoIP phone, and automatically transmitting the physical coordinates of the VoIP phone to the emergency services call center.
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