Frequently Asked Questions

Cloud Fax Service

How do I send faxes via email?

You can send a fax by using any email client (i.e. Gmail, MS Outlook, Lotus Notes, Yahoo Mail). To send a fax via email, your email address must have been registered with your ReplixFax account. (Check with your Fax User Administrator if unsure.)

With your email program or service, compose a new email with To: address of (fax_number)@(org_id), where (fax_number) is the recipient fax number you want to send a fax to and (Org_id) is your organization name, for example,

Attach any document you want to fax and send. Your fax request will be submitted to ReplixFax Service. Once your fax is successfully delivered, you will get a notification email to confirm the delivery.

You may also monitor the progress of your fax job in real-time by logging into your account via the Web Fax client or Print to Fax Windows client.

Your faxes are delivered directly to your email inbox as a PDF attachment.  Alternatively, we can deliver a secure, one-time-use web URL link for additional security.  In addition, you can also use the ReplixFax Web Fax client or Print to Fax Windows client to view, search, and retrieve your faxes.

The ReplixFax Cloud Fax Service provides a Web-based Broadcast Fax capability. Simply upload a fax document and a broadcast fax address list and click the send button. You may also use a fax utility called Batch Loader, or folder faxing, to automate the submission of multiple fax jobs using a network folder.

The following file types are supported for native file attachments:
Adobe Portable Document Format (PDF), Microsoft Office Word (DOC, DOCX), PowerPoint (PPT, PPTX) and Excel (XLS, XLSX), Plain text (TXT), Tagged Image Format (TIF), Hypertext Markup Language (HTML), Rich Text Format (RTF), Postscript (PS), JPEG (JPG), Graphics Interchange Format (GIF), Bitmap (BMP)

Compared to manual faxing or deploying an on-premise fax server, there are many benefits when you outsource your faxing needs to a cloud fax service. Notable benefits include:

  • You can easily send a fax using email or web from anywhere as long as you have Internet access.
  • No more busy signals, misplaced faxes, or paper handling overhead.
  • You may choose your own fax number or keep an existing number.
  • Your faxes are securely delivered directly to your email inbox or selected file folders.
  • You can save money by eliminating phone line costs, capital expenses to purchase an on-premise fax server system and maintenance costs.
  • You can save internal IT personnel or administration staff time to manage an on-premise fax system or manual fax machines.

You can use your mobile phone with Internet access to send a fax to a recipient’s fax number via email. Sending a fax from your mobile phone will be as easy as sending an email.

Cloud faxing is much more secure than an office fax machine shared by many people. With close to 100% uptime, the ReplixFax Cloud Fax Service means no busy signals and secure, encrypted delivery of your faxes to one or multiple recipients anytime, anywhere.

Yes. If you would like to continue using your existing fax number with your ReplixFax Cloud Fax Service, you may port your existing fax number from your current telecom provider over to your new ReplixFax account. The number porting process takes 5 to 10 business days.

Fax Over IP (FoIP) Fax Server

Does ReplixFax support Fax over IP?

ReplixFax supports FoIP with Dialogic’s Brooktrout SR140 FoIP software.

ReplixFax supports SIP, H.323, T.38, and G.711 FoIP protocols.

Yes, ReplixFax with SR140/FoIP can be installed and run on a virtual server.

Yes, ReplixFax will use your current VoIP infrastructure (Gateways, PBXs) to manage and route the SIP traffic. No, if you use a SIP provider you will not need any additional hardware. The SIP provider will manage and route the SIP traffic.

VoIP infrastructure – You acquire a voice ISDN line and plug it into an on-site gateway or PBX. You manage the SIP traffic between your gateway and the ReplixFax server on your LAN.

SIP Provider – You open your firewall to allow SIP traffic to flow from your SIP provider to the ReplixFax server.

There is no theoretical limit to the number of FoIP channels on ReplixFax. ISDN lines come with a maximum of 23 channels, so you can have as many channels as your VoIP infrastructure supports. SIP providers will provide you with as many channels as you want.

The following VoIP systems or media gateway equipment work with ReplixFax: Dialogic, Cisco, Avaya, 3Com, Aastra, Alcatel, AudioCodes, BroadSoft, Grandstream, Linksys, Mitel, NEC, Nortel, Patton, Quintum, ShoreTel and Siemens.

The following SIP providers have been certified to work with ReplixFax: Allstream, AT&T IP Flex Reach SIP Trunking Service, babyTEL,  BroadSoft BroadWorks SIP Trunking Service,  Broadview Networks Broadspeed SIP Trunking Service,  BroadVox GO! SIP Trunking Service,  Gamma,  Level 3,  Node4,,  Verizon and XO.

Click here to review a full list of VoIP/Media Gateway vendors and SIP providers whose equipment is interoperable with the ReplixFax FoIP system.