Patent ID: 9716798
Date: 2017-07-25
CPC Classifications: H04L,H04M

Claim:
1. A method for providing network resource usage information in an Internet Protocol multimedia subsystem, comprising: by a network element of the Internet Protocol multimedia subsystem, generating network resource usage information based on an observation of network resource usage; transmitting the network resource usage information to a cloud-based storage service for buffering; determining that a charging collection function has become available to receive the network usage information for generating call detail records; when the charging collection function becomes available to receive the network usage information for generating call detail records, retrieving the network resource usage information from the cloud-based storage service; transmitting the network resource usage information to the charging collection function for generation of call detail records; receiving an acknowledgement from the charging collection function that the network resource usage information was successfully transmitted; and only after receiving the acknowledgement, clearing the network resource usage information from the cloud-based storage service.