发明名称 |
Direct distance dialing (DDD) access to a communications services platform |
摘要 |
Direct Distance Dialing (DDD) access is provided for a communications services platform. A caller may dial a local DDD number or a long distance DDD number to access the communications services platform. A platform may provide a plurality of different communications services, including voicemail services, paging services, automatic routing services, and facsimile messaging services. Expenses associated with servicing the call are partitioned between a caller and a subscriber of the communications services platform in an intuitive and reasonable fashion.
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申请公布号 |
US6018575(A) |
申请公布日期 |
2000.01.25 |
申请号 |
US19970925371 |
申请日期 |
1997.09.08 |
申请人 |
MCI WORLDCOM |
发明人 |
GROSS, KAREN A.;PICKERAL, EDDIE L.;LEAR, THOMAS W. |
分类号 |
H04M3/42;H04M15/00;(IPC1-7):H04M3/42 |
主分类号 |
H04M3/42 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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