Philips M550 Cordless Telephone User Manual


 
30 EN
The handset is nearly out of range. Move it
closer to the base station.
The phone receives interference from the
nearby electrical appliances. Move the base
station away from them.
The phone is at a location with thick walls.
Move the base away from them.
The handset does not ring.
Make sure the handset ringtone is turned on.
The caller ID does not display.
The service is not activated. Check with
your service provider.
The caller's information is withheld or
unavailable.
Note
If the above solutions do not help, disconnect the
power supply from both the handset and base station.
Try again after 1 minute.