Using a cordless external handset
If your cordless telephone is connected to the EXT. jack of the MFC and you typically carry the cordless handset elsewhere, it is easier to answer calls during the Ring Delay. If you let the MFC answer first, you will have to go to the MFC so you can press Hook to transfer the call to the cordless handset.
Changing the remote codes
Remote Codes might not work with some telephone systems. The preset Fax Receive Code is 
51. The preset Telephone Answer Code is # 51.
If you are always disconnected when accessing your external TAD remotely, try changing the Fax Receive Code and Telephone Answer Code to another
###and 999).
1 If it is not illuminated in green, press 2 Press Menu, 2, 1, 4.
3 Press 
or 
to select On (or Off).
Press Set.
4 If you want to, enter a new Fax Receive Code.
Press Set.
(Fax).
21.Setup Receive 4.Remote Code
▲On ▼ Off
Select ▲▼ & Set
5 If you want to, enter a new Telephone Answer Code. Press Set.
6 Press Stop/Exit.
5 - 8 SETUP RECEIVE