mFax - mFax is a cloud-based fax solution for sending and receiving faxes from any device.
Dialpad - Switch is a cloud-based phone system built for Google Apps users.
Hellofax - Easy. Reliable. Online faxing. Send & receive faxes from anywhere.
8x8 X Series - X Series connects teams across channels and around the globe, giving you access your most critical information securely, from any location.
XM Fax - XM Fax is a file exchange solution that provides companies and users with secure transmission of their highly sensitive documents, including contracts, financial statements, transcripts, legal notices, etc.
Nextiva - Business VoIP, cloud phone systems trusted by more than 150,000 companies. Powered by the leading cloud PBX VoIP platform, Nextiva is rated the best business VoIP service provider.