E911 because VoIP calls are not initiated over the PSTN. One solution to supporting E911
for fixed-line VoIP telephony is to use databases in the packet-switched network containing …

US8983424B2 - Methods, systems, and products for processing emergency
communications - Google Patents US8983424B2 - Methods, systems, and products for …

0002 Voice over Internet Protocol (VoIP) refers to a standardized set of facilities for
managing the delivery of voice information using the Internet Protocol (IP). In IP telephony …

G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY
ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR …

An emergency call (eg, a 911 call, an alarm company call) forwarded by a telematics call
center is routed over the switched PSTN to a Voice Over Internet Protocol (VoIP) call server …

BACKGROUND Telephone calls to 911 are generally routed to a public safety answering
point (PSAP). The public safety answering point (PSAP) is a center with 911 operators (or …

Abstract Systems and methods for optimized call handling during e911 calls. Normally,
when a user equipment (UE) is connected to a public safety answering point (PSAP)—eg, is …

Abstract Systems and methods for improved e911 call handling. The system enables users
to create multiple categories of callers. When a user makes a 911 (emergency) call, different …

Abstract An E-9-1-1 voice-over-IP (VoIP) solution is provided wherein a 911 call from a
wireless VoIP device is routed directly to the correct Public Safety Answer Point (PSAP) via …

Systems and methods are disclosed for serving VoIP emer gency calls. In one embodiment,
a call control entity is placed between PSAPs of an emergency services network and the IP …