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White paper C903
32 February 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 orDeactivate
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