NAI -ID NAI SUBSCRIPTION-ID HINT DIGIT HANDLING

摘要

various exemplary embodiments is a network node in a subscriber identification of a method to be . This is a network access identifier (Network Access Identifier: NAI) comprising the steps of: receiving a message including, forming a stripped NAI to remove the first number from the NAI, whether or not stripped NAI corresponds to a subscriber and the step of determining, the step of determining whether the NAI corresponds to a subscriber, comprising the steps of: forming an extended NAI by adding a hint number, the method comprising: determining whether an extended NAI corresponds to a subscriber, the NAI of If the response to any subscriber of that, by using the corresponding NAI may include the step of identifying a subscriber. Determining whether the various exemplary embodiments is the subscriber cache, including the subscriber identifier, and an interface configured to receive a NAI, and NAI modifier configured to define an extended NAI and stripped NAI, NAI is stored in the subscriber cache relates to a Policy and Charging Rules node including the subscriber identification module is configured to. ;