Sagem COSY Phone Manual page 18

You are then ready to make or receive a call.
If the network's name appears, calls are possible on your
operator's network.
If the letter R and a network name are displayed, calls are
possible on a roaming network provider.
If the letter E is displayed without any network name, only
the emergency services are accessible (ambulance,
police, fire brigade).
If the network icon flashes, the phone is in permanent
search mode.
If only the
The icon is a reception level indicator of the network
signal and allows to display the quality of reception.
18
icon appears, no network is available.
Quick start