Nokia C5-03 - Manual (Page 22)

You are using a timed profile.
Call indicators
Someone has tried to call you.
You have set your device to forward incoming calls to another number
(network service).
Your device is ready for an internet call.
You have an ongoing data call (network service).
Messaging indicators
You have unread messages. If the indicator is blinking, the SIM card
memory for messages may be full.
You have received new mail.
You have messages waiting to be sent in the Outbox folder.
Network indicators
Your device is connected to a GSM network (network service).
Your device is connected to a 3G network (network service).
High-speed downlink packet access (HSDPA) / high-speed uplink
packet access (HSUPA) (network service) in the 3G network is
activated.
You have a GPRS packet data connection (network service).
indicates that the connection is on hold and that a connection is
being established.
You have an EGPRS packet data connection (network service).
indicates that the connection is on hold and that a connection is
being established.
You have a 3G packet data connection (network service). indicates
that the connection is suspended and that a connection is being
established.
22 Your device