Nokia 7373 - Packet data, HSCSD, and CSD

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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. 50.

The use of HSCSD services consumes the phone battery faster than
normal voice or data calls.