DTMF tones
You can use DTMF (Dual Tone Multi-Frequency) tones to
communicate with voice mailboxes, computerised telephony
systems, etc. The tones can be selected by using the Navi wheel
number editor to scroll to the numbers 0-9.
GPRS
GPRS (General Packet Radio Service) enables wireless data
transmission. For wireless access to data networks, you will
need a GPRS access point from your network operator or service
provider. For further information, see “GPRS (General Packet
Radio Service)” on page 62.
GSM
GSM, the Global System for Mobile Communication, is the
technical standard for mobile radio networks.
HSCSD
HSCSD (High Speed Circuit Switched Data) makes data
connections faster for attractive GSM data services. For further
information, see “HSCSD (High Speed Circuit Switched Data)”
on page 62.
IMEI