What are the main features of FAX.PLUS Google Docs add-on? • Send 10 free pages • Add cover page to your document • Scheduled faxing • Optimize your document for fax • Send fax to human operated fax machines • Send faxes to numbers that require extension dialing FAX.PLUS is also available on Web, Android, and iOS and you can sync your account across these platforms to send and receive fax on the go. What are the main features of FAX.PLUS? • Email to Fax • Scheduled faxing • Drop fax in transit • Send faxes to numbers that require extension dialing • Sign documents (Electronic signature) • Cloud storage • Built-in scanner to scan documents • Send faxes to human operated fax machines • Fax API What countries does FAX.PLUS support? You can send fax to more than 150 different countries, and if you are interested in getting a dedicated fax number to receive fax online, we have over 40 countries, including United States, Canada, UK, Japan, Malaysia, Germany and many more.