Oki C5550 MFP User Manual page 71

Tel line core.eps
You will also need to update the telephone settings to set the ring
response:
1. Press the Menu button on the control panel.
2. Using the UP arrow key, navigate to Fax Settings and
press OK.
3. Using the UP arrow key, navigate to Setup Fax then press
OK.
4. Using the UP/DOWN arrows keys, navigate to Ring
Response and press OK.
5. Select the required response setting and press OK.
6. Press Return to store the new configuration setting and
exit the menu.
NOTE
Manual receive must also be activated.
on page 70..
C5550 MFP User's Guide
Configuring your machine > 71
See "Manual receive"