The Ports tab displays a list of the current port service mappings, and lets you enable or disable UPnP port forwarding. To enable or disable UPnP port forwarding: Set UPnP port forwarding to ON to allow UPnP devices on your Fiber network to set their own port forwarding rules.
VRML (Virtual Reality Modeling Language) is a language for describing three-dimensional (3-D) image sequences and possible user interactions to go with them.
Introducing Network IVRs/VRUs. Each routing client can have one or more associated Network Voice Response Units (VRUs). A VRU is a telecommunications computer, also called an Interactive Voice Response (IVR) unit, that responds to caller-entered touch-tone digits.