×

Telephony services in mobile IP networks

  • US 8,160,540 B2
  • Filed: 11/23/2009
  • Issued: 04/17/2012
  • Est. Priority Date: 04/10/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. A method comprising:

  • receiving location information for a first network element from a second network element in a radio access network;

    sending a request to setup an emergency call from the first network element to a third network element, said request to setup the emergency call including the location information for the first network element;

    sending, from the first network element, a second request to activate a communication connection to a fourth network element in the network, the second request including an indication that the communication connection is for an emergency call; and

    allocating, at the fourth network element, a temporary identity which is used to identify the emergency call and sending from the fourth network element the temporary identity which is used to identify the emergency call to an entity maintaining location information.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×