White paper
W508
32
January 2009
SIM AT services supported
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, GEA2
Support of compression algorithms Yes, V42bis and IP header compression
Mode of operation
Class B and Class C modes of operation supported
R Reference point
• Physical layer: Support of RS232
• PPP is supported as L2 layer in the R reference point
• Authentication algorithms PAP, CHAP supported
IP connectivity
• PDP type IP is supported
• IP termination in mobile or TE (laptop, PDA) is supported
PDP context
• 10 PDP context descriptions saved in the phone
• PDP context description is edited via application in the phone
• AT-command or via OTA
• Simultaneous PDP contexts are supported, maximum 4
SIM
GPRS aware, as well as non-GPRS aware, SIM cards are
supported
AT commands
Some of the supported commands:
AT+CGDCONT - DEFINE PDP CONTEXT
AT+CGEQREQ - Quality of Service Profile (REQUESTED)
AT+CGEQMIN - Quality of Service Profile (Minimum Acceptable)
AT+CGATT - PACKET DOMAIN SERVICE ATTACH OR DETACH
AT+CGACT - PDP CONTEXT ACTIVATE OR DEACTIVATE
AT+CGDATA - ENTER DATA STATE
For more information, see
www.sonyericsson.com/developer
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CALL CONTROL BY SIM
Yes
MO SMS CONTROL
Yes
DATA DOWNLOAD TO SIM
Cell Broadcast
SMS
Yes
Yes
Property
Support
