A conference phone is the easiest way to conduct or participate in a meeting. Using a conference phone is ideal where audio is more important than visual. If documents are being discussed, they can be emailed in advance, placed on the web, or use shared cloud space, such as Live.com, Google Docs, Dropbox, etc.
Most conference rooms are equipped with a conference phone with a built-in speaker and microphone. By simply pressing the SPEAKER button on the phone, a small group (1-8) gathered within 10 feet or so can both hear and be heard. A MUTE button allows you to silence your side of the conversation. The Walla Walla Community College phone system allows for up to 3 remote sites to call one phone number and be joined into one conference call without the need for a separate conference bridging service.