Thanks for writing. Per the Official Rules, submitters must:
"(i) Develop a Solution that will block illegal robocalls. The Solution should block robocalls on landlines and mobile phones and can operate on a proprietary or non-proprietary device or platform.
(ii) Create a technical proposal describing how the Solution functions, or would function, if implemented (the “Proposal”). Solutions can be proposed as technical solutions or functional solutions and proofs of concept. The Proposal should specifically address each of the three evaluation criteria described below in Section 10. The Proposal must be no longer than 15 pages."