method for controlling service failures in the communication network, network element, user equipment, method for determining the type of registration in the communication network, and communication system

摘要

"METHOD TO CONTROL COMMUNICATION NETWORK SERVICE FAILURES, NETWORK ELEMENT, USER EQUIPMENT, METHOD FOR DETERMINING COMMUNICATION NETWORK REGISTRATION, AND, COMMUNICATION SYSTEM". Method for controlling service failures in the communication network comprises a user equipment, a first network element and a service network element, the method comprising the following steps. Receive on the first network element, the first message from the user equipment. Pass the first message from the first network element to the service network element. Detect in the first network element that the service network element is out of service. Determine in the first network element the type of the first message, and depending on the type of the first message send from the first network element to the user equipment an error message including an indication that the service network element is out of order. service.