Definition
- The Switch is the entity that first receives the call from the network or caller.
- The VRU is the entity that plays audio and preforms prompt-and-collect functions.
CUCM and/or ACDs can issue Route Requests and can therefore be considered as Switch leg devices.
Details
Unified ICM perceives calls that need IVR treatment as having two portions:
- The Switch leg and
- The VRU leg.
Unified CVP can participate in the Switch role or the VRU role, or both, from the perspective of Unified ICM.
In a network deployment, multiple Unified CVP devices can also be deployed to provide the Switch and VRU portions independently.
CVP's IVR Service functions as the VRU leg.
- The VRU leg is the leg that talks to the VoiceXML Gateway(s).
VXML-GW<------VRU-Leg-------CVP-----Switch-Leg---->CUCM/ACD