| 单词 | GoS (Grade of Service) |
| 释义 | GoS (Grade of Service) 1. In the PSTN or with respect to a PBX, the probability of a call being blocked or queued for some period of time due to limited system resources during the busy hour of the 74570c07.qxd 9/11/07 12:21 PM Page 208 |
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