Call processing method, subscriber unit, and access control apparatus operated in wireless local loop system
US6324384A · kind A · utility
13Cited by
11References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1997 |
| Grant date | Nov 27, 2001 |
| Priority date | — |
| Expiry date | Jun 19, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/021
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Call origination processing in a wireless local loop system, wherein a dial tone generating unit and a control unit thereof are provided in a subscriber terminal located in an access network between a user terminal and a local exchange and wherein a path connection forming unit, a VIP call processing unit, a pre-connected channel control unit and a radio channel establishing unit are provied in an access control apparatus located in the access network. By this, obstacles are prevented from occurring in the service of a VIP call.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.