| 摘要 |
A switching system (100) where any number of the call appearance (CA1, CA2, CA3, CA4) of a directory number (DN2) is reservable, and where a reservation type is defined for the directory number such that calls to and from the reserved call appearances are processed in accordance with one of a number of possible reservation types, such types for example including: 1) origination only, 2) termination only, and 3) origination and priority termination only. |
