Sony Ericsson T312 Benutzerhandbuch
White Paper
T310/T312
66
January 2003
GPRS technical data
Dimension
Support in the T310/T312
Compatible GPRS and
SMG specifications
SMG specifications
ETSI R97 SMG 31 bis
Data rates
Multi slot class 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)
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
the GPRS service
Yes, an icon in the bottom left corner, a filled triangle if attached
Indicator of PDP context
activation
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.
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.
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
Control Channels
(PBCCH/PCCCH)
Control Channels
(PBCCH/PCCCH)
Yes.
Network operation mode
NOM I, II, III
Support of GPRS/CS
combined procedures
combined procedures
Yes
Network control mode
NC0
Support of access in 2
phases
phases
Yes
Support of PRACH on 11
bits
bits
Yes
Support of GPRS re-
selection C31/C32
selection C31/C32
Yes
Support of static and
dynamic addressing
dynamic addressing
Yes
Support of power control
Uplink and Downlink
Uplink and Downlink
Uplink = yes, Downlink is a network feature
Support of ciphering
algorithms
algorithms
GEA1