Fax Voip Softphone is a powerful and unique SIP / H.323 software telephone that lets users make phone calls, record calls, play audio files into the telephone line as well as send/receive T.38 and audio faxes from one single software application using any Voice over IP (VoIP) telephony provider. Fax Voip Softphone supports Music on Hold, Call Transfer and Call Forwarding. Hairpin Call Transfer and Hairpin Call Forwarding (2 call legs). Audio and Fax panel allows you to send pre-prepared faxes and audio messages in one click. With Log Book you can easily view call history, view received and sent faxes and listen to call recordings and sent audio messages. The Phone Book provides a convenient place to store information about your contacts. Random Phone Calls function can be useful for your business, as well as for different testing purposes. The function allows you to automatically make repetitive phone calls to one or more target phone numbers. This function allows you to play audio messages into the telephone line, as well as to record phone calls. Using the Fax Voip Softphone Control Panel, you can easily configure the softphone according to your requirements. Fax Voip Softphone has been successfully tested with T38FAX, CALLCentric, babyTEL, MondoTalk and many other VoIP service providers.