I don't think the cold start will fix it for long. He needs togo to A40. F39 had this problem for sure. A33 I think did. Just upgrade and be done with it. It has to do with the DX80 not getting wink on a disconnect. Hope this helps

Jim
SST Communcations
Long Island, New York


Jim Hoey

SST Communications
597 West Montauk Highway
Lindenhurst, New York 11757

631 956-0100

www.sstcom.com

Business telephone systems on Long Island and New York City like Comdial, Vertical, Avaya, Panasonic