Service Endpoint
The InterFAX High Availability Web Service WSDL may be accessed at the following endpoint:
https://ws-ha.interfax.net/Outbound.asmx
The endpoint must be accessed via SSL; calls to the http protocol (without “s”) will be rejected.
The WSDL for the service is available at https://ws-ha.interfax.net/Outbound.asmx?wsdl