| 单词 | SSP (Service Switching Point) |
| 释义 | SSP (Service Switching Point) In the advanced intelligent network (AIN) architecture, a public switched telephone network (PSTN) switch that acts on the instructions dictated by centralized AIN databases.An SSP can be an end office or tandem switch. See also AIN, database, end office, PSTN, and tandem switch. |
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