CUCM Mixed Mode With Tokenless CTLs
CUCM Mixed Mode With Tokenless CTLs move phones registered to the old cluster to instead register to the new cluster. Download the CallManager.pem from new cluster pub and upload that cert as phone-trust to the old cluster. This will enable the old cluster TVS to have TVS-aware phones trust the new cluster. When the phone is told (say, via change in DHCP option 150 value) to register to the new cluster, it will fail…
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