Junk fax unlawful to send an individual an unsolicited sales and marketing fax without any prior consent of the customer. If the fax receiver is a company or corporate instances, fax communications are permitted unless the subscriber has previously notified the caller that such communications should not be sent on that line; or the subscriber’s line is listed in the register kept under regulation 25 of PECR. This register is maintained on behalf of OFCOM by the Direct Marketing Association and is branded as the Facsimile Preference Service (“FPS”). Unsolicited faxes are regulated by the Canadian Radio-television and Telecommunications Commission (CRTC) and
Internet fax However after the development of open source IP PBX systems, it become common to set up a fully software-based email to fax or Web to fax gateways. like Asterisk (PBX) and ICTFax. Making phone calls over the Internet (Voice over Internet Protocol, or VoIP) has become increasingly popular. Compressing fax signals is different from compressing voice signals, so a new standard (T.38) has been created for this. Using a (sending) VoIP adapter and (receiving) gateway which are both T.38 compliant, most fax machines can be plugged into the VoIP adapter in the same way as to a regular phone line.