Sony Ericsson GC79 Benutzerhandbuch

Additional Information

GPRS technical data

GPRS Specification
SMG

SMG31bis

Data Rates

Multislot class 10 supported (see table below).
Coding schemes: CS-1, CS-2, CS-3 and CS-4

Mode of Operation

Class B (attaches to both GSM and GPRS at the same time;
data connection is established using CS (CSD/HSCSD) or
GPRS) The user may select CSD, HSCSD or GPRS modes
via Dial-Up Networking configurations in Windows

R Reference Point

Physical layer: RS232 virtual COM port
Authentication mechanisms PAP and CHAP supported

Attach Modes

GPRS attach
GPRS detach
Combined attach (CS+GPRS) (CCCH)
Combined detach (CCCH)
Combined attach (CS+GPRS) (PCCCH)
Combined detach (PCCCH)

Network Modes

Network Modes 1, 2 and 3

R Reference Point

Physical layer: RS232 virtual COM port
Authentication mechanisms: PAP and CHAP supported

IP Connectivity

PDP type IP is supported
IPv4, terminated in Windows

DUN

SMS over GPRS

Mobile Originated and Mobile Terminated

QoS

Support for all 4 classes
QoS negotiation

PDP Context

Up to 10 PDP context details are stored in Wireless Manager.
PDP Context description edited via supplied Wizard or
AT-command
Simultaneous PDP contexts not supported
Network initiated PDP context activation, modification and
deactivation
Collision of MS and network-initiated PDP context activation

SIM

Support for GPRS aware as well as non-GPRS-aware SIMs

Compression

TCP/IP Header Compression
V42bis

GPRS Encryption

GEA1

GPRS Frequency
Hopping

Supported

GPRS IP allocation

Dynamic
Static