| 摘要 |
A method and apparatus for storing information regarding a telephone is disclosed. A pointer is stored in an entry of a first look-up table wherein the line number of the entry is indexed by a first group of sequential digits, for example, the first six digits, of a telephone number of the telephone. Information regarding the telephone is stored in one of a plurality of second look-up tables, each table comprised of a plurality of entries wherein each entry is indexed by a second group of sequential digits, for example, the last four digits, of the telephone number, wherein the pointer indicates an address of the one of a plurality of second look-up tables wherein an entry with a line number specified by the last four digits of the telephone comprises information regarding the telephone.
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