SARA-R4/N4 series - AT Commands Manual
UBX-17003787 - R09
D Appendix: Glossary
Page 301 of 307
PCN
Personal Communication Network
PDP
Packet Data Protocol
PDU
Protocol Data Unit
PIN
Personal Identification Number
PLMN
Public Land Mobile Network
PPP
Point-to-Point Protocol
PSAP
Public Safety Answering Point (eCall related)
PSD
Packet-Switched Data
PUK
Personal Unblocking Key
QoS
Quality of Service
RAM
Random Access Memory
RDI
Restricted Digital Information
RFU
Reserved for Future Use
RNDIS
Remote Network Driver Interface Specification
RI
Ring Indicator
RTC
Real Time Clock
RTP
Real-time Transport Protocol
RTS
Request To Send
Rx
Receiver
SAP
SIM Access Profile
SC
Service Centre
SI
SIM Application Part Software Subsystem
SIP
Session Initiation Protocol
SIM
Subscriber Identity Module
SMS
Short Message Service
SMSC
Short Message Service Center
SMTP
Simple Mail Transfer Protocol
SoR
Steering of Roaming
SDIO
Secure Digital Input Output
STA
station
SSID
Service Set Identifier
TA
Terminal Adaptor
TCP
Transfer Control Protocol
TE
Terminal Equipment
TFT
Traffic Flow Template
TP
Transfer layer Protocol
Tx
Transmitter
TZ
Time Zone
UCS2
Universal Character Set
UDI
Unrestricted Digital Information
UDP
User Datagram Protocol
UI
Unnumbered Information
UICC
Universal Integrated Circuit Card
UIH
Unnumbered Information with header Check
URC
Unsolicited Result Code
USIM
UMTS Subscriber Identity Module
UTRAN
Universal Terrestrial Radio Access Network
UUS1
User-to-User Signalling Supplementary Service 1
WLAN
Wireless Local Area Network