T68i
White Paper, April 2002
64
Interfacesto external
devices supported by the
handset and available for
aGPRSlink
IrDA,RS-232,ATcommands.IrDA,
Datarate=SIR & MIR RS232,
autobaud, max 460kbit/s
Bluetooth,v1.0B+Critical errata,
Certified and listed Supported
Bluetoothprofiles: DUN, FAX,
Headset,Synch, Object push
Downlink data rate Up to 64,200 bps for packet data communication, using 3 time slots in
coding scheme CS-4
Uplink data rate Up to 21,400 bps for packet data communication, using 1 time slot in
coding scheme CS-4
Mode of operation Class B and Class C modes of operationsupported. It is possible for the
user to chooseif the Circuit Switched services should be favoured.
R Referencepoint Physicallayer: Support of RS232
PPP is supportedas L2 layer in the R reference point
Authenticationalgorithms PAP,CHAP supported
IP connectivity PDP type IP is supported
IP terminationin mobile or TE (laptop, PDA) supported
Application WAPover GPRS supported (UDP/IP and GPRS-SMS)
SMS over GPRS (SMS-MT,SMS-MO) supported
QoS QoSnegotiation supported. Default requested QoS sent by the handset at
PDPcontext activation is reliability Class 3. Peak/Mean/Delay/Precedence
Class: subscribed (1,2,3).
• Precedence class supported (1,2,3)
• Reliabilityclass 1-5 supported
• Delay classes supported (1,2,3,4)
• Mean and peakthroughput rate limited by multislot class 4 and CS-
4
PDP context 10 PDP context descriptionsstored in mobile
PDP context description is edited via application in mo bile, AT-command
or via OTA
SimultaneousPDP contexts not supported
Network requestedPDP context not supported
SIM GPRSaware,aswellasnonGPRSawareSIMsaresupported
AT commands supported • AT+CGDCONT - DEFINE
PDP CONTEXT
• AT+CGQREQ - Quality of
ServiceProfile
(REQUESTED)
• AT+CGQMIN - Quality of
ServiceProfile (Minimum
Acceptable)
• AT+CGATT - PACKET
DOMAIN SERVICEATTACH
OR DETACH
• AT+CGACT - PDP CONTEXT
ACTIVATEOR DEACTIVATE
• AT+CGDATA- ENT
Dimension Supportin the T68i