Yoda, I was wrong (got confused with sl1100)
Going back to your original setup, uncheck 10-63-01 and it should work

Found programming manual with and without voipdb

https://dl1.necntac.com/kb/D-EC7AA6A53E7EF934862581EC006EC87C/31872-1-0--SL_IPphone_RegHG.pdf