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Upgrading a Bizfon 680 In order to be able to use the new multi-tenant card, you must upgrade your Bizfon 680 to the version 3.1 firmware. The Bizfon 680 you are upgrading must have version 1.13 or higher firmware before you can upgrade to version 3.1...
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3. Hold the Upgrade card with the label facing you and insert the Upgrade card into the Voice Vault slot on the Bizfon 680 as shown below. Make sure that the card is fully inserted, as shown in the picture on the right.
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2. Insert the multi-tenant card into the upgrade (Voice Vault) slot as shown in the following figure. 3. Plug in the power cord of the Bizfon 680. If you have a Bizfon Cluster, plug in the power cords of all the Bizfon 680s at the same time.
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