Unregistered; Setup; Registered; Teardown - Avaya G250 Administration

Configuring Standard Local Survivability (SLS) on the G250

Unregistered

This is the normal state in which SLS waits for an H.248 registration request from the G250.
When SLS receives the request, it registers the G250 and transitions to the Setup state.

Setup

In this transitional state, SLS performs the following activities:
1. Checks for proper provisioning data. If there is insufficient provisioning, then the registration
request is denied, and SLS returns to the Unregistered state.
2. Initializes SLS components such as gatekeeper data (for example, IP endpoint's E.164
addresses and passwords), dial plan, and ARS routing.
3. Completes H.248 registration with SLS.
4. Creates the H.323 GateKeeper socket after successful registration.
When Setup is complete, SLS transitions to the Registered state.

Registered

SLS can only process calls while it is in the Registered state in which it:
1. Constructs endpoint objects based on board insertion and IP registration
2. Tears down endpoint objects based on board removal and IP unregistration
3. Handles registration requests from H.323 endpoints that display the IP address that has
been discovered (the G250 IP address) or searching for.
4. Handles stimuli from all interfaces
SLS remains in the Registered state as long as the socket to SLS is open.

Teardown

SLS transitions to the Teardown state whenever:
The G250 administrator uses the set survivable-call-engine disable command
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from the G250 CLI.
-or-
The G250 closes the SLS socket after maintenance determines that it has completed an
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H.248 registration with the primary MGC.
SLS determines that it needs to unregister with the G250 due to internal error conditions.
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80 Administration for the Avaya G250 and Avaya G350 Media Gateways