The principal of the conference call is very simple. It lets you have a conference without squeezing all of the listeners and speakers into one cramped room. Communication is crucial to any successful business. If you are serious about achieving real growth than you need to look at having a way for your employees to easily communicate with each other and the management.
Some businesses will be lucky and have all of their people working from one convenient location, making the call aspect unnecessary. But then, not all business organizations are as fortunate in that respect. Moreover, any business that wants to expand and have more than just one location needs to consider how it will keep all of its employees in touch with each other.
For this process, there are few options better than a good conference call. For a relatively low price a business can now organize a full teleconference that will let anyone from anywhere link up and share their ideas.
In this same way management can easily discuss new policies and explain new business goals to all of its branches in one convenient sweep. This should be much more definitive than any long winded email that tries...