Sony GC79 - Manual (Page 66)

66 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 GC79 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