发明名称 |
Abbreviated dialing between PBX and Centrex systems using a VoIP platform |
摘要 |
An abbreviated dialing feature over a Voice over Internet Protocol (VoIP) platform facilitates abbreviated dialing between a first phone system that serves a first customer location and a second phone system that serves a second customer location. The first and second phone systems may comprise two Centrex groups, two PBXs or a Centrex group and a PBX.
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申请公布号 |
US2006062372(A1) |
申请公布日期 |
2006.03.23 |
申请号 |
US20040946358 |
申请日期 |
2004.09.21 |
申请人 |
SBC KNOWLEDGE VENTURES, L.P. |
发明人 |
LOWMASTER ROBERT P. |
分类号 |
H04M3/42;H04L12/66;H04M7/00 |
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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