The Mitel 3300 ICP platform is designed around the principle of resiliency. A network of user or media gateways handle core processing functionality, and IP phones and devices set up communications with each other or the WAN via the gateway. If something happens to a specific a user or media gateway, the devices can failover to another gateway or to multiple gateways, depending on geographic or WAN limitations.
The resiliency capability embedded in the Mitel 3300 ICP allows the IP Phones to re-home to a secondary controller if a Mitel 3300 ICP fails or is taken out of service. This ensures that there is no disruption in service. Further, calls that are in progress when an outage occurs remain in progress and are not lost.
The Mitel 3300 resiliency solution can be configured to fit the customer’s needs, and enhance the survivability of the network to WAN, LAN, or equipment outages. . Levels of survivability can be implemented to provide everything from basic device resiliency to PSTN survivability (such as an outage of a T1 link).
The configuration of the Data network plays a large part in resilient call path capability. Mitel can also provide a Mitel 3300 Call resiliency document, describes various configurable parameters for failover and multiple design options. It covers DHCP configurations and TFTP options on the data infrastructure.
In the event of a power failure, your Mitel 3300 ICP will recover automatically upon power restoration to the affected area. The Mitel 3300 ICP can provide your network users with dial tone on their phones in as few as six minutes after full power restoration to the area.
For greater security from power outages, Mitel recommends the use of a UPS (Uninterruptible Power Supply) to bridge outages.
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