Customize Caller ID for Internal Calls
Although we have a feature available to change the caller ID per phone and features, it would be better if we also have an option in the Admin Portal where internal calls will not be limited to one caller ID only but with option to select any phone numbers on the account (user ext, main number, IVR assigned number and call queue number).

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Eric commented
Nami posted this for me. This is important. Say you have a queue and that queue has three phones and each phone has its "extension" number or full DID. Changing all the outbound caller ID settings does not help when a call is internal to an internal phone, which seems to be controlled by the "For Internal Calls" area of the User's phone Caller ID settings. (Pic 1)
I think you should have another bullet option to "Display Call Queue DID" (pic 2).