Audio conferencing services are a style of one-to-many collaborative communication that enables individuals or groups from different locations or place to talk and interact with each other. Allow people to various locations to communicate in real time, companies can save on travel costs, because participants do not have to be in place to contact each other. You can save an unlimited amount of time and energy associated with the conventional mode of communication. Through this Audio conference, companies can operate more efficiently and to channel their resources to critical business operations.
One service that provides Conference calls is conferencegroup.com.  Group Conference opened its doors in 1999 with a focus on quality customer service. They offer a variety of options regarding their experience of collaboration.

This place provides a variety of features which you can choose, including:
-  Web-based Application with Optional Desktop Shortcut which has benefit no software to install, can upgrade automatically.
-  Application and Desktop Sharing which have benefit you can share an application or document with meeting participants in real time, optionally choose to share select documents and applications or entire desktop
-  Smart Scrolling. It has benefit to synchronize all participant view of a document with the presenter’s view.
- Etc.

It’s a small example from feature, if you want to get more information and benefit, you can visit at conferencegroup.com.