Howto:Disable Function Key Modification On Phone UI
Starting with Versions V8HF8 and V9, one can actively disable the modification of function keys on the phone user-interface. Thus, only the administrator could setup the function key map through the web user interface.
* Note: this feature is only for disabling the modification of configured function keys, new function keys can be set on the phone.
List of function keys:
UNDEF = 0, // not configured DIAL = 1, // "dial" CF = 2, // "cf" LOCK = 3, // "lock" RINGOFF = 4, // "ring-off" CALLWAIT = 5, // "callwait" CLIR = 6, // "clir" HEADSET = 7, // "headset" PARTNER = 8, // "partner" PICKUP = 9, // "pickup" REG = 10, // "reg" UNREG = 11, // "unreg" SWITCH = 12, // "switch" HOTDESK = 13, // "hotdesk" MWI = 14, // "mwi" TRANSFER = 15, // "transfer" REDIRECT = 16, // "redirect" PARK = 17, // "park" ENABLE = 18, // "enable" ACTIVE = 19, // "active" GROUP = 20, // "group" DIR = 21, // "dir" COND = 22, // "cond" RECORD = 23, // "record" PRESENCE = 24, // "presence"
Example: we want to disable the modification of Partner and Pickup function keys.
1) generate a 32bit mask with bits 8 (partner)and 9 (pickup) set:
printf %x $(((1<<8)+(1<<9))) 0x300
2a) Insert computed mask into "Function keys not modifiable on the phone" on the Phone->Protect page, activate.
Or alternatively:
2b) Set funcion key lock readonly mask
config add PHONE USER /funclock-ro-mask 0x300
Save and activate
config write config activate
From now on, the function keys which cannot be viewed and modified will be marked by a leading asterisk (*) in front of their name in the Function Keys screen.
To return to default mode, where all function keys can be viewed and modified through the phone user interface as well:
1) delete mask from "Function keys not modifiable on the phone" on the Phone->Protect page, activate.
or alternatively
1b) invoke:
config rem PHONE USER /funclock-ro-mask config write config activate
See Reference7:Fine_grained_function_locking for details.