Long distance meetings to explain how electronic communications by two or more people or groups that are located in separate offices or geographic location. The dial-up or satellite
The conference call can be described as electronic communication by two or more people or groups who are in a separate office or geographic locations. The system works via a telephone line or satellite.
Teleconferencing can explain that the electronic communications by two or more or group in the office or separate geographic locations The system over the phone or satellite .