According to an MPI Study:

1- Cost Savings

2. Reduce Time out of office

3. No attendee travel budget

4. Keep a meeting that would be canceled due to budget

5. Conference

6. Information-sharing across multiple markets

7. Global Business Operations

8. Business Continuity

9. Reduce travel demands on executives

10. Support last-minute meetings

Here’s a link to a hilarious video about conference calls. http://youtu.be/DYu_bGbZiiQ