Method and apparatus for reduction of call setup time using anticipation technique for multimedia applications in widely distributed networks
US6320847A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 18, 1997 |
| Grant date | Nov 20, 2001 |
| Priority date | — |
| Expiry date | Nov 18, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2213/13339
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
In a widely distributed digital communication network call delays and eventual outcome are anticipated (i.e., expected call outcome) at the initiation of a call at an originating terminal and the call is completed by signal switching to its destination terminal and by decreasing the number of related message transfers between network controllers and hubs required to complete the balance of administrative refinements of the call connection. The routing steps for setting up the call trajectory to the destination hub are completed immediately before the administrative steps, such as authentication, access control, bandwidth availability etc., are performed. Administrative refinements subsequent to the preliminary call set up are performed in a distributive manner. Administrative and capacity items are determined and completed post route determination and computed or accessed in parallel making this information available for a final call set up. If this information is adverse the call is immediately terminated. In one aspect the processors for administrative and capacity determination are connected in a parallel manner and work concurrently.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.