VCC Gateway and VCC service delivery method in connection with IP-based PBX
This invention relates to VCC service delivery method to subscribers using Dual Band Dual Mode (DBDM) terminal between mob ..
The method of identifying and displaying the intention of a call and its implementation
This invention is about displaying the intentions of incoming calls. It allows for the display of the caller¡¯s ..
A DCD content delivery system using broadcast and push approaches, its method and medium of record
This invention is about providing a method that allows efficient and stable transmission of content ..