- Gateway driver technology for Windows, reconfigurale real-time OS technology, TDX OS technology, and others.

- Technology for administering and maintaining large embedded systems such as configuration management, performance management and statistics.

- As requested by ETRI, it developed TDX electronic telephone exchanges and conducted projects for the development of administration and maintenance softwares for ATM exchange and MPLS exchange.

- Gateway hardware technology.

- VHDL technology.

- Microprocessor programming technology.

- Device driver technology.

- SIP(Session Initiation Protocol) technology.

- Protocol-handling technology, full-duplex voice handing and RTP technology.

- Peer-to-peer communication technology.

- Web phone and PC phone technology.

- Providing services that allow PC customers and phone customers to make a call to consultants.

- ITI call center technology.

- Customer relationship management technology.

- CID hardware technology.

- VHDL technology.

- Microprocessor programming technology.

- Device driver technology.

- Mobile software technology.

- ZigBee technology.

- USN(Ubiquitous Sensor Network) technology.

- UML object modeling and integration process technology.

- Applied development techonlogy to large-scale projects such as TDX electronic telephone exchanges, a main computer in the administrative computer retworks, and others.

- Conducted the "construction of large-scale project development system" project.

- Cooperative development environment technology.

- Internet phone systems using PC internet phone servers.

- Internet phone calls using voice data transmission.

- Gateway systems controlled by a PC.

- CID systems that mark and then process caller information.