| 摘要 |
A method of processing a call within a cluster of PABXs is comprised of receiving a dialed directory number designating a called line within the cluster, accessing a database and obtaining an identity of a terminating PABX within the cluster on which a line corresponding to the dialed directory number is terminated, seizing a trunk, and generating and transmitting a message to the terminating PABX which identifies the terminating PABX and the dialed directory number, at the terminating PABX, recognizing the terminating PABX identification and as a result translating the dialed directory number to an electrical line location, and completing the call on the terminating PABX to the line corresponding to the dialed directory number.
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