Method of managing trunk and querying and ascertaining ring-back sound to provide ring-back sound in subscriber-based ring-back sound service

Application number :: 2003251189
Application type :: Standard
Application status :: LAPSED
Under opposition :: No
Proceeding type :
Invention title :: Method of managing trunk and querying and ascertaining ring-back sound to provide ring-back sound in subscriber-based ring-back sound service
Inventor :: Ham, Hee-Hyuk ; Park, Jae-Young ; Noh, Young-Tae ; Lee, Sang-Yoen ; Kim, Ki-Moon
Agent name :
Address for service :
Filing date :: 07 August 2003
Associated companies :
Applicant name :: SK TELECOM CO., LTD.
Applicant address :: 99, Seoring-dong, Jongro-gu, Seoul 110-110
Old name :
Original Source :: Go

Method of managing trunk and querying and ascertaining ring-back sound to provide ring-back sound in subscriber-based ring-back sound service A Standard patent application filed on 07 August 2003 credited to Ham, Hee-Hyuk ; Park, Jae-Young ; Noh, Young-Tae ; Lee, Sang-Yoen ; Kim, Ki-Moon