Processor for signaling messages in a data switching network

Details Processor for signaling messages in a data switching network Processor for signaling messages in a data switching network

H - Electricity

04

Q

H04Q 3/00 (2006.01) H04L 12/54 (2006.01) H04Q 3/545 (2006.01)

Patent

CA 2271269

A signaling system embodying the invention includes, at each SSP, a signaling unit containing a message configuration template containing an entry for each type of message. Each entry contains the complete format for the corresponding message type. For incoming messages, the signaling unit also includes, for each voice channel (CIC) multiple finite state machines which manage operations associated with each of the message types that are involved in CIC control. When a message is received, the message type field in the message is used to identify the message type and invoke the operation of the associated state machine. The state machine then parses the message and performs the operations required by the message.

Le système de signalisation faisant l'objet de cette invention comprend, à chaque SSP (point de commutation de services), une unité de signalisation contenant un modèle de configuration de message incluant une entrée pour chaque type de message. Chaque entrée comporte le format complet pour le type de message correspondant. Pour les messages arrivant, l'unité de signalisation comprend également, à chaque canal vocal (CIC), des automates d'état fini multiples, qui gèrent les opérations associées à chacun des types de messages qui sont impliqués dans la commande des canaux CIC. Lors de la réception d'un message, le champ du message qui correspond au type de message est utilisé pour identifier le type de message et pour solliciter l'actionnement de l'automate d'état associé. Cet automate d'état effectue alors une analyse synthaxique du message en question et exécute les opérations requises par ledit message.

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