(a) Unless the articles of incorporation or the bylaws provide that a different number shall constitute a quorum, a majority of the number of directors fixed by the bylaws or fixed by the procedure set forth in the bylaws, or, in the absence of such bylaw provisions, then a majority of the number stated in the articles of incorporation, shall constitute a quorum for the transaction of business. In no case shall less than one-third of the total number of directors nor less than two directors constitute a quorum.

(b) The vote of a majority of the directors present and voting at the time of the vote, if a quorum is present at such time, shall be the act of the board of directors unless the vote of a greater number is required by the articles of incorporation or the bylaws.

(c) Unless the articles of incorporation or bylaws otherwise provide, members of the board of directors or any committee designated by such board may participate in a meeting of such board or committee by means of conference telephone or similar communications equipment by means of which all persons participating in the meeting can hear each other. Participation in a meeting pursuant to this subsection shall constitute presence in person at such meeting.