Specialized call routing method and apparatus for a cellular communication system
US5602901A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1994 |
| Grant date | Feb 11, 1997 |
| Priority date | — |
| Expiry date | Dec 22, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W76/18
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for specialized call handling transmits (224) and receives (194) a specialized call request message, determines (196) a location of a remote communication unit (100, 110, 140) sending the specialized call request message, determines (200) at least one service center telephone number which the remote communication unit (100, 110, 140) may use to establish a specialized call, transmits (202, 206) a returned message to the remote communication unit (100, 110, 140) containing a selected service center telephone number, and sets up the specialized call (204, 232) using the selected service center telephone number.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.