Title: Method of realizing changing open talk to secret talk
Application Number: 200410080036 Application Date: 2004.09.22
Publication Number: 1753348 Publication Date: 2006.03.29
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H04K1/00,H04Q7/20
Applicant(s) Name: Huawei Technology Co. Ltd. Address: 518129
Inventor(s) Name:
Attorney & Agent: song zhiqiang ma haimeng
Abstract:
     This invention discloses a method for turning talks from open to secrete including: a first terminal sends a request of turning open to secrete talk service and informs a second terminal to start the secrete talk service negotiation with the network side, at the same time, the first terminal starts the negotiation between itself and the network side to set up a secrete talk transmission channel, then, the two terminals carry out the secrete talk process. First of all, terminals negotiate on the transfer of secrete talks then a secrete transmission channel is set up to secure the transfer process smoothly. Besides, this invention also provides a method for realizing the process control of turning open talk to secrete by signaling in the band.
Time: 15