Form 3 Filing for Louis Silver

This filing reports that Louis Silver, a director at Ribbon Communications Inc., has appointed Patrick Macken as his attorney-in-fact to execute and file required SEC documents, including Forms 3, 4, and 5, on his behalf. This power of attorney is effective until Silver is no longer required to file such reports or until it is revoked. The filing also confirms that neither Macken nor the company assumes Silver's responsibility for Section 16 compliance.