Newsgroup: it.tlc.cellulari
Titolo: GSM acroninmo ( O-Z )

*** O ***
O 	Optional
OA 	Outgoing Access (CUG SS)
O&M 	Operations & Maintenance
OACSU 	Off-Air-Call-Set-Up
OCB 	Outgoing Calls Barred within the CUG
OD 	Optional for operators to implement for their aim
OLR 	Overall Loudness Rating
OMC 	Operations & Maintenance Centre
OML 	Operations and Maintenance Link
OS 	Operating System
OSI 	Open System Interconnection
OSI RM  OSI Reference Model
*** P ***
PABX 	Private Automatic Branch eXchange
PAD 	Packet Assembly/Disassembly facility
PCH 	Paging CHannel
PCM 	Pulse Code Modulation
PD 	- Protocol Discriminator
	- Public Data
PDN 	Public Data Networks
PH 	- Packet Handler
	- PHysical (layer)
PHI 	Packet Handler Interface
PI 	Presentation Indicator
PICS 	Protocol Implementation Conformance Statement
PIN 	Personal Identification Number
PIXT 	Protocol Implementation eXtra information for Testing
PLMN 	Public Lands Mobile Network
PNE 	Présentation des Normes Européennes
POI 	Point Of Interconnection (with PSTN)
PP 	Point-to-Point
PPE 	Primative Procedure Entity
Pref CUG Preferential CUG
Ps 	Location probability
PSPDN 	Packet Switched Public Data Network
PSTN 	Public Switched Telephone Network
PUCT 	Price per Unit Currency Table
PW 	Pass Word
*** Q ***
QA 	Q (Interface) - Adapter
QAF 	Q - Adapter Function
QOS 	Quality Of Service
** R **
R 	Value of Reduction of the MS transmitted RF power relative to the
maximum
	allowed output power of the highest power class of MS (A)
RA 	RAndom mode request information field
RAB 	Random Access Burst
RACH 	Random Access CHannel
RAND 	RANDom number (used for authentication)
RBER 	Residual Bit Error Ratio
RDI 	Restricted Digital Information
REC 	RECommendation
REJ 	REJect(ion)
REL 	RELease
REQ 	REQuest
RF 	Radio Frequency
RFC 	Radio Frequency Channel
RFCH 	Radio Frequency CHannel
RFN 	Reduced TDMA Frame Number
RFU 	Reserved for Future Use
RLP 	Radio Link Protocol
RLR 	Receiver Loudness Rating
RMS 	Root Mean Square (value)
RNTABLE Table of 128 integers in the hopping sequence
RPOA 	Recognised Private Operating Agency
RR 	Radio Resource
RSE 	Radio System Entity
RSL 	Radio Signalling Link
RSZI 	Regional Subscription Zone Identity
RTE 	Remote Terminal Emulator
RXLEV 	Received signal level
RXQUAL 	Received Signal Quality
**S**
S/W 	SoftWare
SABM 	Set Asynchronous Balanced Mode
SACCH 	Slow Associated Control CHannel
SACCH/C4 Slow Associated Control CHannel/SDCCH/4
SACCH/C8 Slow Associated Control CHannel/SDCCH/8
SACCH/T Slow Associated Control CHannel/Traffic channel
SACCH/TF Slow Associated Control CHannel/Traffic channel Full rate
SACCH/TH Slow Associated Control CHannel/Traffic channel Half rate
SAP 	Service Access Point
SAPI 	Service Access Point Indicator
SB 	Synchronization Burst
SC 	- Service Centre (used for SMS)
	- Service Code
SCCP 	Signalling Connection Control Part
SCH 	Synchronization CHannel
SCN 	Sub-Channel Number
SDCCH 	Stand-alone Dedicated Control CHannel
SDL 	Specification Description Language
SDT 	SDL Development Tool
SDU 	Service Data Unit
SE 	Support Entity
SEF 	Support Entity Function
SFH 	Slow Frequency Hopping
SI 	- Screening Indicator
	- Service Interworking
	- Supplementary Information (SIA=Supplemenatary Information A)
SID 	SIlence Descriptor
SIM 	Subscriber Identity Module
SLR 	Send Loudness Rating
SLTM 	Signalling Link Test Message
SME 	Short Message Entity
SMG 	Special Mobile Group
SMS 	Short Message Service
SMSCB 	Short Message Service Cell Broadcast
SMS-SC 	Short Message Service - Service Centre
SMS/PP 	Short Message Service/Point-to-Point
Smt 	Short message terminal
SN 	Subscriber Number
SNR 	Serial NumbeR
SOA 	Suppress Outgoing Access (CUG SS)
SP 	- Service Provider
	- Signalling Point
	- SPare
SPC 	Signalling Point Code
SPC 	Suppress Preferential CUG
SRES 	Signed RESponse (authentication)
SS 	- Supplementary Service
	- System Simulator
	- Super Seriosoni
SSC 	Supplementary Service Control string
SSN 	Sub-System Number
SS7 	Signalling System No. 7
STMR 	SideTone Masking Rating
STP 	Signalling Transfer Point
SVN 	Software Version Number
** T **
T 	- Timer
	- Transparent
	- Type only
TA 	Terminal Adaptor
TAC 	Type Approval Code
TAF 	Terminal Adaptation Function
TBR 	Technical Basis for Regulation
TC 	Transaction Capabilities
TCH 	Traffic CHannel
TCH/F 	A full rate TCH
TCH/F2,4 A full rate data TCH (£2,4kbit/s)
TCH/F4,8 A full rate date TCH (4,8kbit/s)
TCH/F9,6 A full rate data TCH (9,6kbit/s)
TCH/FS 	A full rate Speech TCH
TCH/H 	A half rate TCH
TCH/H2,4 A half rate data TCH (£2,4kbit/s)
TCH/H4,8 A half rate data TCH (4,8kbit/s)
TCH/HS 	A half rate Speech TCH
TCI 	Transceiver Control Interface
TC-TR 	Technical Committee Technical Report
TDMA 	Time Division Multiple Access
TE 	Terminal Equipment
Tei 	Terminal endpoint identifier
TFA 	TransFer Allowed
TFP 	TransFer Prohibited
TI 	Transaction Identifier
TLV 	Type, Length and Value
TMN 	Telecommunications Management Network
TMSI 	Temporary Mobile Subscriber Identity
TN 	Timeslot Number
TON 	Type Of Number
TRX 	Transceiver
TS 	- Time Slot
	- Technical Specification
	- TeleService
TSC 	Training Sequence Code
TSDI 	Transceiver Speech & Data Interface
TTCN 	Tree and Tabular Combined Notation
TUP 	Telephone User Part (SS7)
TV 	Type and Value
TXPWR 	Transmit PoWeR; Tx power level in the MS_TXPWR_REQUEST and
MS_TXPWR_CONF parameters
** U **
UDI 	Unrestricted Digital Information
UDUB 	User Determined User Busy
UI 	Unnumbered Information (Frame)
UIC 	Union Internationale des Chemins de Fer
UPCMI 	Uniform PCM Interface (13-bit)
UPD 	Up to date
USSD 	Unstructured Supplementary Service Data
UUS 	User-to-User Signalling supplementary service
** V **
V 	Value only
VAD 	Voice Activity Detection
VAP 	Videotex Access Point
VBS 	Voice Broadcast Service
VGCS 	Voice Group Call Service
VLR 	Visitor Location Register
VMSC 	Visited MSC, (recommendation not to be used)
VPLMN 	Visited PLMN
VS 	Very Saccent
VSC 	Videotex Service Centre
V(SD) 	Send state variable
VTX 	host The components dedicated to Videotex service
** W  **
WS 	Work Station
WPA 	Wrong Password Attempts (counter)
** X **
XID 	eXchange IDentifier
** Z  **
ZC Zone Code
Isi (
isidor...@iol.it
)
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 OCB   Outgoing Calls Barred within the CUG
ecc. ecc.
Grazie mille.
Stampati e riposti a portata di mano :-)
Nic :-)
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VS Very Saccent
Ah ah ah, è per questo che abbiamo speso 30 miliardi di euro (€) per farti
studiare le specifiche GSM???
Ciao a tutti
Massj VS©