IP Telephony and Phones

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            With Justin Dew Welcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions about integrating Cisco Unity Connection into your environment and troubleshooting the many features tha...

Hello engineersI have a problem with some IP phone 8831 that are not registering because of a wrong firmware.Could you tell me which is the right firmware for this? I have this version:                     CUCM Best regards!