| Event Id | 521 |
| Source | AvMiu_MC |
| Description | Component Miu: Thread 0x00000DF0 had a Failure on Port 12 in Method CAvTSPAbstraction:Selsius_SetMWI() DESCRIPTION: HardFailure from lineDevSpecific. DETAILS: DestAddress: 5845 Messages: 1 State: ON ErrorCode: 0x80000048. |
| Event Information | Workaround: Troubleshoot this as a calling search space/overlapping DN issue on the CallManager. The MWI on/off extensions conflict with a 2.! route pattern |
| Reference Links | Release Notes for Cisco Unity-CM TSP Release 7.0(3) |
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