To send a fax without dialing number, you must first make an outgoing voice call or answer an incoming voice call. To send a pre-prepared fax without dialing number, do the following:
1. Open the Fax folder. There are 2 different ways to do this:
2. Select the fax you want to send.
3. To send T.38 fax, tick the T.38 FAX check box in the main window. To send the fax as audio (fax over G.711 codec), uncheck the T.38 FAX check box.
4. Make sure that the required line is active and the voice call is established. Tell your caller that you want to send a fax. To send the selected fax, click Send Fax in the main window, or in the Bottom Panel, in the toolbar click Send button.
Fax Voip Softphone will switch to fax mode and send the fax.