RailComm's Domain Operations Controller (DOC) dark territory train control system is accessed through a web-enabled, software-as-a-service (SaaS) delivery model. RailComm SaaS provides a "pay-as-you-go" model, thus eliminating capital equipment procurement constraints.

The DOC software-based control system is an advanced command, control, communications and information (C3i) server-based platform that supports a wide variety of integrated solutions for indication, control, access and distribution of critical operational data across the corporate enterprise.