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White Paper T630/T628
77 October 2003
Support of the QoS modi-
fication procedure
Yes, when initiated by the network
(not by the handset)
Interfaces to external
devices supported by the
handset and available for
a GPRS link
IrDA, RS-232, AT commands. IrDA,
Datarate=SIR & MIR RS232, auto-
baud, max 460kbit/s Bluetooth,
v1.0B+Critical errata, Certified and
listed Supported Bluetooth pro-
files: DUN, FAX, Headset, Synch,
Object push
Downlink data rate Up to 85,600 bps for packet data communication, using 4 time slots in
coding scheme CS-4
Uplink data rate Up to 21,400 bps for packet data communication, using 1 time slot in cod-
ing scheme CS-4
Mode of operation Class B and Class C modes of operation supported. It is possible for the
user to choose if the Circuit Switched services should be favoured.
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) supported
Application WAP over GPRS supported (UDP/IP and GPRS-SMS)
SMS over GPRS (SMS-MT, SMS-MO) supported
QoS QoS negotiation supported. Default requested QoS sent by the handset 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 multislot class 4 and CS-4
PDP context 10 PDP context descriptions stored in mobile
PDP context description is edited via application in mobile, AT-command
or via OTA
Simultaneous PDP contexts not supported
Network requested PDP context not supported
SIM GPRS aware, as well as non GPRS aware SIMs are supported
Dimension Support in the T630/T628