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Re: Is Survivability in Analog PBX systems possible?
Avaya does have survivability in a traditional Definity G3r only, if they still sell it. But it is different than survivability on an IP switch. This works for remote EPNs (that is why it is G3r only). The difference is that the entire remote EPN will cut over to a G3si carrier colocated and connected to the remote EPN.
To make this work successfully the remote EPN must be self sufficient when installed. It must have local trunks for calling out and receiving calls, if there are any announcements they must be on a local announcement board. When making changes to this remote EPN there are two places that changes need to be made. In the G3r for that EPN and in the standby G3si located with the EPN. You need to keep track of where everything is. If the programming does not match, if it cuts over then there will be problems.
Of the handful of these EPNs that I installed the remote EPN was always a single carrier G3si style EPN, never an MCC cabinet (different slot count).
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Marty
Retired Avaya DSIC tech
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