Sony Ericsson K220 White Paper page 21

Dimension
Support of GPRS re-selection C31/
C32
Support of static and dynamic
addressing
Support of power control Uplink
and Downlink
Support of ciphering algorithms
Support of compression algorithms Yes, V42bis and IP header compression
Support of the QoS modification
procedure
Downlink data rate
Uplink data rate
Mode of operation
R Reference point
IP connectivity
Application
QoS
PDP context
SIM
Support
Yes
Yes
Uplink = yes, Downlink is a network feature
GEA1, GEA2
Yes, when initiated by the network (not by the mobile phone)
Up to 85.600 bps for packet data communication, using 4 time
slots in coding scheme CS-4
Up to 42,800 bps for packet data communication, using 2 time
slots in coding scheme CS-4
Class B and Class C modes of operation supported
Physical layer: Support of RS232.
PPP is supported as L2 layer in the R reference point.
Authentication algorithms PAP supported
PDP type IP is supported.
IP termination in mobile or TE (laptop, PDA) supported
WAP over GPRS supported (UDP/IP and GPRS-SMS).
SMS over GPRS supported (SMS-MT, SMS-MO)
QoS negotiation supported. Default requested QoS sent by the
mobile phone at PDP context activation is reliability Class 3.
Peak/Mean/Delay/Precedence.
Class: subscribed.
Precedence class supported (1,2,3).
Reliability class 1-5 supported.
Delay classes supported (1,2,3,4).
Mean and peak throughput rate limited by multi slot class 4 and
CS-4
10 PDP context descriptions are saved in the phone.
PDP context description is edited via application in mobile, AT-
command or via OTA.
Simultaneous PDP contexts are supported, maximum 2
GPRS aware, as well as non-GPRS aware, SIM cards are
supported
21
White paper K220
February 2007