| 摘要 |
A Multiservice Access Concentrator (MAC) establishes a representation among at least one signal processing device and multiple logical channels. The signal processing devices comprise digital signal processors (DSPs). The logical channels are placed into a first resource pool. At least one logical channel is moved among at least one other resource pool in response to a request to process at least one call received over a voice over packet-data-network system (VOPS). The VOPS comprises voice over Internet Protocol (IP) network systems, voice over Frame Relay network systems, voice over Asynchronous Transfer Mode (ATM) network systems, and voice over High-level Data Link Control (HDLC) network systems. The other resource pools comprise a second resource pool and a third resource pool. The second resource pool comprises unused logical channels due to fragmentation of a signal processing device, and the third resource pool comprises active logical channels. The received call is processed using the signal processing device associated with the corresponding logical channel.
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