Occasionally, SCCP VoIP phones unregister from Call Manager during cluster failover
||ClusterXL, Cluster - 3rd party
||R75, R76, R77, R77.10, R77.20, R77.30
|Platform / Model
- Occasionally, SCCP (Skinny) VoIP phones unregister from Call Manager during cluster failover.
The call can survive the cluster failover, but there is no ability to use different phone's features (e.g., hold/unhold, conference, transfer).
After the call ends, all the phones can re-register to Call Manager within a few seconds.
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