In some scenarios, the group ID value is used with the 46xxspecials.txt files to control which files and settings are used by different phones. If the J100 series phone needs to use a group value use the following process to set the value.
Access the administration menu:
If shown on the display, press Admin. Otherwise, press More and Admin or press and select Administration.
Enter the administration password and press Enter. These phones do not support pressing # to enter the password.
Scroll down and select Group.
Enter the Group number required and press Save.
Press Back.
Result
The phone is automatically restarted. This will cause it to load any settings specified by the new group number value.