Patent ID: 8472421
Filing Date: 2013-06-25
Classification: H04W

Abstract:
1. A method for avoiding hanging Packet Data Protocol (PDP) contexts in a General Packet Radio Service (GPRS) network, the method comprising: transmitting a request message to create a PDP context from a first GPRS Support Node (GSN) to a second GSN; receiving the request message in the second GSN; including a Network Service Access Point Identifier (NSAPI) in a response message; transmitting the response message from the second GSN to the first GSN; receiving the response message in the first GSN after a time-out period associated with the first GSN expires; and in response to receiving the response message after the time-out period associated with the first GSN expired, transmitting from the first GSN to the second GSN, a second request message, wherein the second request message is a request to delete the PDP context.