A UM IP gateway is a logical representation of a physical IP gateway hardware device that translates between the circuit-switched telephone network and an IP or packet-switched network. This represents either a VoIP gateway or an IP PBX.
The UM IP gateway contains one or more UM hunt groups and other UM IP gateway-configuration settings, including the actual IP gateway. The combination of the IP gateway object and a UM hunt group establishes a logical link between an IP gateway hardware device and a UM dial plan.
| Note | Before an IP gateway can process calls, a UM IP gateway must be associated with at least one UM dial plan. |
You can create a UM IP gateway using the Exchange Management Shell (EMS) or Exchange Management Console (EMC). When you create a new UM IP gateway, you enable UM servers to connect to the VoIP gateway or IP PBX. However, you can enable or disable the UM IP gateway. You can disable a UM IP gateway in two different modes:
- Disable After Completing Calls Forces UM servers associated with this UM IP gateway to stop handling any new calls.
- Disable Immediately Forces all associated UM servers to drop existing calls for this UM IP gateway.
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