On Wednesday, May 29th, 2013 at 10pm, a new toll-free number was added to Lync conferencing dial-in number pool. Meetings scheduled after this time will include the new toll-free number 888-983-3631 in meeting invites. The updated list is
+1 217 332 6338
+1 312 994 8410
+1 888 983 3631
Departments that use Lync for conferencing will see an immediate financial benefit from this new toll-free number. Other online conferencing tools, such as MeetingPlace, often have per-minute charges in addition to flat usage fees.
There are no charges for Lync conferencing nor is there any charge for departments to use the toll-free number.