An online fax service allows faxes to fax list be sent electronically via an email or through interface in provider's Web site. An eFax service can be defined as fax by email using computer or mobile, fax from anywhere. In this digitized world online fax services are reasonable at less cost than the price of fax list machine, toner replacement and maintenance. It is better to choose an online fax service instead of traditional fax machines. Point to consider before you choose an online fax service. Will I be asked for additional cost to send and receive faxes beyond limit? Incorporation fax list with Office applications such as MS Word, Excel, Outlook, etc. Unique number to my company. Do they provide help fax list and customer support in a timely manner? Send and receive many faxes at the same time Discounts for annual use Compare plans and pricing. The following companies offer online fax service at their best eFax is publicly traded company which generates fax list revenue from virtual fax and phone systems. There are three different types of eFax accounts: Free, Plus, and Pro. The price listing can be found in their website. It has an easy to use feature as simple as sign up for an account. Just login to your fax list account add the phone number of receiver append with and send the message you want. You can also send and receive files using the fax list available Web interface. You can access the history of faxes sent and received from their website. The Ring Central fax service lets you send and receive fax list through the internet via the company's website or with any email account. They have easy to use website interface and desktop client to se. AirComUSA offers online fax service through email and their pricing can be referred at . They have good customer support fax list with live chat features.