Hi Bob,
Great suggestion! We've opened it up for voting. You can cast your vote here:
https://trello.com/c/rvs8uEIf/26-custom-labels-for-pbx-controls
If/when enough votes are cast, or we think the feature is ready for development, we'll move it along the process (which you'll be able to see by following that link).
Let me know if you have any questions.
Warmly,
RingRoost Support Team