Method of implementing ip telephone gatekeeper group and a gatekeeper system
A Standard patent application filed on 06 June 2002 credited to Qin, Haoliang
;
Yuan, Huailin
;
Ying, Jian
;
Ji, Yi
;
Wang, Ligang
;
Zeng, Qing
;
Zhao, Wenjun
;
Hu, Kewen
Details
Application number :
2002346262
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Method of implementing ip telephone gatekeeper group and a gatekeeper system