We are configuring a site to have two gateways configured for SRST. We are doing this because of the number of phones located at the site. One of the gateways is a 3640 and the other is a 2620. There are a total of 75 phones. Each phone has at least 2 line appearances. Some of the receptionist phones have sidecars...which can give them 10 or more line appearances. I am controlling the phone registration with access-lists, but I am not able to find a way to control the number of "dial-numbers" (DN's) each phone registers when it goes into fall-back mode. Is there a way I can control this?