You can use your mobile phone for an outgoing call as if it were another line (temporary phone).
This function can also be called by entering the code ().
Press the Talk key.
Call the system menu.
Select and confirm the menu item.
Enter the internal phone number for the relevant line.
Enter the code (lock code) for the relevant line (). If there is no personal code for the relevant line, the system will prompt you to enter the code.
Enter the required phone number. The phone number is dialled.
The "Temporary phone" function is discontinued again after the call is complete.