V.4.6 Update 7 - DHCP - Stops working. Starts and then stops. (Courtesy of Doug Hubler and George Niculae)
Workarounds --
Option 1: *every* time you reboot sipxecs, ssh into machine and restart sipxecs
service sipxecs restart
Option 2: Edit /usr/share/sipxecs/cfmodules/sipx and change "route" to "/usr/bin/route"
Option 3: Wait for update #8