You can take a photo of a document and fax it, fax existing documents or email attachments, and send simple texts. You can also add fax recipients from your phone book and check sending status.
Receive a fax on your smartphone or tablet. You can view fax date/time and caller/called phone numbers.
Attachments can also be viewed directly on mobile devices. Imagicle Fax for Apple includes a simple PDF reader for this purpose, which allows page browsing and two-finger zooming.