I can't access to directory or any feature on 7931 ip phone. Does it need to configure something on CCME before this available. not problem with another ip phone like 7961
You are using the wrong firmware for a 7931, the firmware you posted is for 7941's and 7961's
Check this link
Under Specifications check out the firmware loads for the 7931 for the particular cme version (4.1) you are using.
The specified load is
In addition the 7931's require you to create an ephone template and specify the button layout required for the 7931, otherwise you wont have access to the directories, menu, settings etc.
softkeys idle Newcall Gpickup Cfwdall Pickup Redial Dnd Login
button-layout 7931 2
Then apply it to the ephone