Method for establishing a session between a caller and a callee
US8599831B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2006 |
| Grant date | Dec 3, 2013 |
| Priority date | — |
| Expiry date | Jan 4, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2213/13204
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The invention discloses a method for establishing a session between a caller and a callee, applying to a next generation network, after said callee picking up, which includes: restarting a session negotiation with said callee via a first application server corresponding to the callee, upon obtaining a session description protocol of said callee, sending an update request message containing a session description protocol of said callee to a second application server corresponding to the caller; renegotiating, by the second application server, session with a caller according to said session description protocol of said callee; after the caller completing session update, returning a response message containing a session description protocol of said caller to said callee. The method can realize the multi-service nesting triggering or the forwarding triggering of several flows in one service, and can guarantee the proper connection between the caller and the callee.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.