Sony Ericsson T630 Benutzerhandbuch

White Paper

 T630/T628

76

October 2003

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