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White Paper T630/T628
76 October 2003
GPRS technical data
Dimension Support in the T630/T628
Compatible GPRS and
SMG specifications
ETSI R97 SMG 31 bis
Data rates Multislot class 8 supported (4+1)
CS-1, CS-2, CS-3, CS-4
9,050 bps, 13,400 bps, 15,600 bps, 21,400 bps supported (network-
dependent)
Indicator of attachment to
the GPRS service
Yes, an icon in the bottom left corner, a filled triangle if attached
Indicator of PDP context
activation
Yes, an icon on the right side. Animated globe
Data volume counter • The Data volume counter details the volume of data exchanged in
bytes for the up/down link for last call for each PDP context.
• The Total data counter details the sum of all GPRS sessions (i.e. not
the sum of total data received + sent during the last GPRS session.
The total data counter can be reset by the user.
Medium Access Modes Fixed and dynamic allocation
Support of Packet Con-
trol Channels (PBCCH/
PCCCH)
Yes
Network operation mode NOM I, II, III
Support of GPRS/CS
combined procedures
Yes
Network control mode NC0
Support of access in 2
phases
Yes
Support of PRACH on 11
bits
Yes
Support of GPRS re-
selection C31/C32
Yes
Support of static and
dynamic addressing
Yes
Support of power control
Uplink and Downlink
Uplink = yes, Downlink is a network feature
Support of ciphering
algorithms
GEA1 and GEA2
Support of compression
algorithms
Yes, V42bis and IP header com-
pression