Thursday, March 19, 2015

Nature of calls during split brain

Effects on Calls in Progress When Server Status Changes

When the status of a Cisco Unity Connection server changes, the effects  on calls in progress depend on the final status of the server that is  handling a call and on the condition of the network. Table 3-3 describes the effects.  
Table 3-3     Effects on Calls in Progress When Server Status Changes 
Status Change
Effects
Primary to Secondary
When the status change is initiated manually, calls in progress are not affected.
When the status change is automatic, effects on calls in progress depend on the critical service that stopped.
Secondary to Primary
When the status change is initiated manually, calls in progress are not affected.
When the status change is automatic, effects on calls in progress depend on the critical service that stopped.
Secondary to Deactivated
Calls in progress are dropped.
To prevent dropped calls, on the Cluster Management page in Cisco Unity  Connection Serviceability, click Stop Taking Calls for the server, wait  until all calls have ended, and deactivate the server.
Primary or Secondary
to Replicating Data
Calls in progress are not affected.
Primary or Secondary
to Split Brain Recovery
Calls in progress are not affected.