http://www.freedomvoice.com
2. RingCentral
http://www.ringcentral.com
3. onebox.com
http://www.onebox.com
4. uRreach.com
http://www.ureach.com
5. j2 Global Communications
http://www.j2.com
6. AccessLine
http://www.accessline.biz
7. FollowmeLive.com
http://www.followmelive.com
8. MaxEmail
http://www.maxemail.com
9. Segway Communications
http://www.segwaycommunications.com
10. Wildgate Wireless
http://www.wildgate.com