Signalling protocol for cellular radiotelephone system

摘要

The protocol for a data network comprises a data packet label identifying a source and destination, an information block and originating software identification. The information block includes a message being sent from source to destination. Pref. it also includes the software packet identification. The network may be a cellular radio telecommunications network. The message may relate to provision of automatic roaming service. It may be part of a handshaking procedure between two mobile switching centres prior to the exchange of additional messages. It may be a location update message or a location update accepted message.