| 摘要 |
A connection broker (44), located between lower-level system entities (1 6, 58, 264) associated with a narrowband-broadband interface (250) and a call server (18) that controls call connection across the narrowband-broadba nd network, contains a memory (251) that stores connection-related information and protocol converters. The connection broker (44) accesses the protocol converters to interpret control messages received from the call server (18) and, where necessary, transposes messages for the call server into a standardised format for use over a uniform fabric application interface (66). Control messages pertaining to connection paths within the narrowband-broadband network (250) and relayed via the connection broker (44) are appropriately phrased (by the connection-related information and protocol converters) to ensure that meaningful information and instruction is communicated between the call server (18) and the lower-level system entities (16, 58, 264). Use of the protocol converters therefore enables connection attributes and network operation and configuration to be altered and advised in-call by having the connection broker (44) both change connection-related information and communicate any change in network configuration to the call server and lower-level system entities, as appropriate.
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