Deutsche Telekom Sony Ericsson S312, TMO XTRA 15037101272 사용자 설명서

White paper 

S312

21

September 2009

USSD technical data

GPRS technical data

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USSD support

GSM phase 1/2 (cross-phase compatibility)
GPRS behaviour according to class B

Mode support mode

UI-mode supported
SAT initiated USSD supported

UI-mode details

• Option to scroll up and down in USSD messages
• Option to highlight embedded numbers and take actions 

accordingly

Dimension

Support

Compatible GPRS and SMG 
specifications

Release 99 according to ETSI specification

Data rates

• Multislot class 10 supported (4+2)
• CS-1, CS-2, CS-3, CS-4
• 9.05 Kbps, 13.4 Kbps, 15.6 Kbps, 21.4 Kbps supported 

(network-dependent)

Indicator of attachment to the 
GPRS service

Yes, an icon in the top left corner, a filled triangle if attached

Indicator of PDP context activation

Yes, dynamic from left side. Animated globe.

Medium Access Modes

Dynamic allocation

Support of Packet Control 
Channels (PBCCH/PCCCH)

Yes

Network operation mode

NOM I, II, III

Support of GPRS/CS combined 
procedures

Yes

Network control mode

NC0 and 2

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, GEA2