[cisco-voip] CUCM split brain question

[Ovidiu Popa]

Hello everyone

Here's an unusual scenario that kind of puzzles me.

Here are the details:
- 2 CUCM with Clustering over WAN (HQ and Branch)
- Centralized PSTN Access at HQ (DID numbers routed to HQ)
- 1 phone with the Branch CUCM as primary and the HW CUCM as secondary

Disaster strikes, the WAN link goes down and we have a split brain
condition.

What is the state to the phone on HQ CUCM? Will the phone be Unregistered or
state Unknown?

And the most important question is will the HQ CUCM follow the CFUR if the
state is Unknown?

Thanks for your input.

Regards,
Ovidiu
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