■ Packet data, HSCSD, and CSD
With your phone you can use the packet data, high-speed circuit
switched data (HSCSD), and circuit switched data (CSD, GSM data)
data services. For availability and subscription to data services,
contact your network operator or service provider. See “Modem
settings,” p. 58.
The use of HSCSD services consumes the phone battery faster than
normal voice or data calls.