Sony Ericsson GR47/GR48 Integrator's Manual page 15

Abbreviation
PDU
RF
RFU
RLP
RTC
SDP
SIM
SMS
TCP
UDP
LZT 123 7589 R1A
3. ABBREVIATIONS
Explanations
Protocol Data Unit
Radio Frequency
Reserved for Future Use
Radio Link Protocol
Real Time Clock
Service Discovery Protocol
Subscriber Identity Module
Short Message Service
Transport Control Protocol
User Datagram Protocol
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