Patent ID: 7865602
Filing Date: 2011-01-04
Classification: H04L

Abstract:
1. A system, comprising: an application server providing information for a requested supplementary service to a user equipment, wherein the application server is configured to generate authorization information comprising a password and to send, in a message according to a session initiation protocol, the generated authorization information and the information for the requested supplementary service to the user equipment, wherein the user equipment is configured to receive an authentication request, according to the session initiation protocol, responsive to a first request sent according to the session initiation protocol, wherein the user equipment is configured to provide information for the requested supplementary service to a user of the user equipment, to generate an authorization response based on the password received in the authorization information, and to send the generated authorization response to the application server for verification in a second request according to the session initiation protocol, wherein the second request comprises the first request and the generated authorization response, and wherein the application server is configured to verify the authorization response and to decide on further proceeding with a communication service.