Receive incoming faxes via callback to a web application

You can select to receive inbound fax notifications directly to your system by using the Incoming Web Feedback function. When this feature is set, InterFAX sends inbound fax notifications to a web application that you set up. Your web application should be capable of accepting either an HTTP POST call or a XML Web Service (SOAP) call.

You can also set the system to send you feedback notifications on outbound faxes. For more information, please read the outbound callback documentation.

To use the Incoming Web Feedback function, perform these setup steps:

  1. Set up a web application that is capable of accepting callbacks on your server. If you set up a SOAP server, its namespace should be http://CallBack.Interfax.net/ (namespace is case sensitive, this is the expected WSDL).
  2. The web method name should be "Inbound".
  3. The web method should return a string -> "OK".
  4. Login to your InterFAX account and go to Preferences -> Incoming. Find and set the following settings under Advanced Options:
     

    Selection Description Possible Values
    Web Feedback Method What type of callback does your web application expect XML Web Service, HTTP POST, Never
    Web Feedback URL The URL to your web application. Any valid web address

Once Web Feedback is set up, the InterFAX system will call back your web app and provide the following values:
 

Parameter Name Parameter Type Description
TransactionIDType String Inbound
TransactionID Integer The ID of this transaction
PhoneNumber String The Phone number at which this fax was received
MessageType Integer The type of message. Currently sends out static '1'.
MessageSize Integer The size of the inbound fax image (in bytes)
RemoteCSID String The CSID of the sender
Pages Integer The number of pages received in this fax.
Status Integer Status of the fax. See the list of InterFAX Error Codes
RecordingDuration Integer The time (in seconds) that it took to receive the fax
ReceiveTime DateTime The time and date that the fax was received
(formatted as dd/MM/yyyy hh:mm:ss). Times listed are GMT.
CallerID String The caller ID of the sender

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