Patent ID: 9462616
Filing Date: 2016-10-04
CPC Classification: H04L,H04M,H04W

Claim Text:
1. An network component, comprising: a receiver configured to receive from a user equipment (“UE”) a Session Initiation Protocol (“SIP”) request message for a dialog that is an emergency-related request; one or more processors configured to update header information of the SIP request message for a dialog; an interface configured to forward the SIP request message for a dialog toward a Public Safety Answering Point (“PSAP”); and a transmitter configured to send to the UE a SIP response message in response to the SIP request message, the SIP response message containing a P-Asserted-ldentity header field indicating that the network component is part of a trust domain, the P-Asserted-Identity header field including an indicator indicating that the SIP request message for a dialog, sent by the UE, is an emergency-related request, and that the UE should include emergency-related information associated with the UE in a SIP request message within the dialog in response to the SIP response message, the emergency-related information comprising location information; wherein the indicator comprises a number.