T68i
White Paper, April 2002
63
GPRS technical data
Dimension Support in the T68i
CompatibleGPRS and
SMG specifications
ETSI R97 SMG 31 bis
Data rates Multislotclass 4 supported (3+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 volumecounter details the volume of data exchanged in
bytesfor the up/down link for last call for each PDP context.
• TheTotal data counter details thesum of all GPRS sessions (i.e. not
the sum of totaldata received + sent during the last GPRS session.
The total datacounter can be reset by the user.
Medium AccessModes Fixed and dynamic allocation
Support of Packet
Control Channels
(PBCCH/PCCCH)
Yes.Available at launch.
Network operationmode NOM I, II, III
Support of GPRS/CS
combined procedures
Yes
Network controlmode NC0
Support of access in 2
phases
Yes
Support of PRACH on 11
bits
Yes
Support of GPRS re-
selectionC31/C32
Yes
Support of staticand
dynamic addressing
Yes
Support of power control
Uplinkand Downlink
Uplink = yes, Downlink is a network feature
Support of ciphering
algorithms
GEA1
Support of compression
algorithms
Yes,V42bis and IP header
compression
Support of the QoS
modificationprocedure
Yes,when initiated by the network
(not by the handset)