Sony Ericsson C903 Benutzerhandbuch

White paper 

C903

31

February 2009

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USSD support

GSM Phase 1/2 (cross-phase compatibility)

Mode support

• UI-mode supported
• SAT initiated USSD supported

UI-mode details

• It is possible to scroll the text up and down in USSD messages
• It is possible to highlight embedded numbers and take actions 

accordingly

Compatible GPRS/EDGE and SMG 
specifications

Release 99 according to ETSI specification

Data rates GPRS (per time slot)

Coding scheme
CS-1: 9 Kbps
CS-2: 13,4 Kbps
CS-3: 15,6 Kbps
CS-4: 21,4 Kbps (network-dependent).

Data rates EDGE (per time slot)

Modulation & coding scheme (MCS)
MCS-1 (GMSK): 8.0 Kbps
MCS-2 (GMSK): 11.4 Kbps
MCS-3 (GMSK): 14.8 Kbps
MCS-4 (GMSK): 17.6 Kbps
MCS-5 (8-PSK): 22.4 Kbps
MCS-6 (8-PSK): 29.4 Kbps
MCS-7 (8-PSK): 44.8 Kbps
MCS-8 (8-PSK): 54.4 Kbps
MCS-9 (8-PSK): 59.2 Kbps

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 NC2 

Support of access in 2 phases

Yes

Support of PRACH on 11 bits

Yes

Support of GPRS re-selection C31/
C32

Yes