Aastra 6731i Last Number Redial disable

Since the Aastra 6731i displays the full Account Code and number when calling out, the client requested that we disable the phone's ability to do LNR. In the 'aastra.cfg' file (and .cfg if in use for individual extensions) add the section shown in orange:

....
#disable local  'conf' to promote central conference with 3 parties using DTMF '3'
#conference hard key on Aastra 673xi is mapped to send DTMF 3
conference disabled:1
map conf as dtmf:1
map conf key to:3

#disable local 'redial' to prevent users from seeing pin codes
#'redial' hard key on Aastra 673xi is disabled
redial disabled:1

#disable local call forwarding to promote
#1. *21*, *22# or menu MX-ONE menu Diversion.
#2. call_list (Personal Number)
call forward disabled:1
...

The text in black is part of the default 'aastra.cfg' file.