| 释义 |
final route chain
最终路由链
The hierarchy of trunks and switching offices in the direct distance dialing network over which calls will be routed as a final choice when all direct or high usage paths are busy.
在长途直拨电话网络中,中继线及交换局的一种层次,当所有的直通或高利用率线路忙时, 电话就通过该最终路由链传送。 |