I have a customer that I'm installing a UC540 for - replacing an Avaya Partner system. They currently use 2-digit dialing and they don't want to change that.
I'm using CCA 2.2.2 and going through the Telephony Setup Wizard. When I get to the "Define Internal Dialing" screen there is only extension lengths for 3 - 5 digits. The help screen says I can use 2 - 5 digits. How can I configure this?
Also, is there a way to change the data VLAN from using VLAN 1? I can customize the subnet I use but I don't see a way to change the VLAN ID.
I suspect the answer to all your questions is - yes, use the CLI.
You always lose some flexibility with GUIs, and if it won't do what you want then you have to go under the hood.
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