Table Of Contents

Glossary

Revised: October 21, 2008, OL-5351-10

A
AC	automatic callback
AC_ACT	automatic callback activation
AC_DEACT	automatic callback deactivation
ACR	anonymous call rejection
ACR_ACT	anonymous call rejection activation
ACR_DEACT	anonymous call rejection deactivation
AI	asserted identity
ANI	automatic number identification
AOR	address of record
AOR2SUB	Address of Record to Subscriber (refers to new table)
AR	automatic recall
AR_ACT	automatic recall activation
AR_DEACT	automatic recall deactivation
ATA	analog telephone adaptor
AUTH-REALM	Authentication Realm (refers to new table)

B
BCM	Basic Call module
BGID	Business Group Identity
BLV	Busy Line Verification
B911	Basic 911

C
CA	Call Agent
CA-CONFIG	Call Agent configuration (refer to the SIP Adaptor Configuration Parameters table)
CALEA	Communications Assistance for Law Enforcement Act
CAS	channel-associated signaling
CAT	customer access treatment
CBLK	call block (reject caller)
CCW	cancel call waiting
CDP	custom dial plan
CDR	call detail record
CF	call forwarding
CFB	call forwarding on busy
CFBI	call forwarding on busy interrogation
CFBVA	call forwarding on busy variable activation
CFBVD	call forwarding on busy variable deactivation
CFNA	call forwarding on no answer
CFNAI	call forwarding on no answer interrogation
CFNAVA	call forwarding on no answer variable activation
CFNAVD	call forwarding on no answer variable deactivation
CFU	call forwarding unconditional
CFUA	call forwarding unconditional activation
CFUD	call forwarding unconditional deactivation
CFUI	call forwarding unconditional interrogation
CHD	call hold
CIC	circuit identification code, carrier identification code
CID	calling identity delivery, also caller ID (see also CND)
CIDB	calling identity delivery blocking
CIDCW	calling identity delivery on call waiting
CIDS	calling identity delivery and suppression (per call)
CIDSD	calling identity delivery and suppression (per call)—delivery part
CIDSS	calling identity delivery and suppression (per call)—suppression part
CLASS	custom local area signaling services
CLI	command-line interface
CMSS	Call Management System Signaling
CNAB	calling name delivery blocking
CNAM	calling name delivery
CND	calling number delivery, calling number display
CNDB	calling number delivery blocking
CODEC	coder/decoder, compression/decompression
COS	class of service
COT	customer-originated trace, continuity testing, central office termination
CPT	called party termination
CPRK	call park
CPRK_RET	call park retrieve
CT	call transfer, call type
CW	call waiting
CWD	call waiting deluxe
CWDA	call waiting deluxe activation
CWDD	call waiting deluxe deactivation
CWDI	call waiting deluxe interrogation
CWI	call waiting indication

D
DACWI	distinctive alerting call waiting indication
DPN	directed call pickup without barge-in
DPU	directed call pickup with barge-in
DID	direct inward dialing
DN	directory number
DND	do not disturb
DND_ACT	do not disturb activation
DND_DEACT	do not disturb deactivation
DNS	domain name server
DNS SRV	domain name server services
DOD	direct outward dialing
DP	dial plan
DPN	directed call pickup without barge-in
DPN_O	directed call pickup without barge-in (originate)
DPN_T	directed call pickup without barge-in (terminate)
DPU	directed call pick-up with barge-in
DPU_O	directed call pickup with barge-in (originate)
DPU_T	directed call pickup with barge-in (terminate)
DRCW	distinctive ringing/call waiting
DRCW_ACT	distinctive ringing/call waiting activation
DTMF	dual tone multifrequency

E
E.164	Telephone number standard of ITU
E911	Enhanced 911
EMS	Element Management System

F
FDT	Final Stage Dial Tone
FS	Feature Server
FQDN	fully qualified domain name

G
GAP	generic address parameter
GUI	graphical user interface
GUI FS	graphical user interface feature server

H
H.323	ITU-T recommendation adopted by the VoIP Forum as the call signaling protocol over LAN
HOTLINE	hotline
HTML	HyperText Markup Language
HTTP	Hypertext Transfer Protocol

I
IETF	Internet Engineering Task Force
INS	in service
IP	Internet Protocol
ISDN	Integrated Services Digital Network
ISFG	Incoming simulated facility group
ISUP	ISDN user part
ITP	IP transfer point
IVR	interactive voice response

J

K

L
LATA	local access and transport area
LNP	local number portability
LSSGR	LATA Switching Systems Generic Requirements

M
MAC2SUB	MAC to Subscriber (refers to new table)
MDN	multiple directory numbers
MF	multifrequency
MG (MGW)	media gateway
MGCP	Media Gateway Control Protocol
MGW (MG)	media gateway
MLHG	multiline hunt group
MWI	message waiting indicator

N
NAPTR	Naming Authority Pointer
NP	number portability
NPDI	number portability dip indication

O
OAM	operations, administration, and maintenance, Operations administration module
OCB	outgoing call barring
OCBA	outgoing call barring activation
OCBD	outgoing call barring deactivation
OCBI	outgoing call barring interrogation
OOS	out of service
OSFG	outgoing simulated facility group

P
POTS	plain old telephone service
PRACK	provisional response acknowledgement
PRI	primary rate interface
PSTN	public switched telephone network

Q
QoS	quality of service

R
RACF	remote activation of call forwarding
RACF-PIN	remote activation of call forwarding personal ID number
RFC	Request for Comment (IETF)
RQNT	request for notification
RN	routing number

S
SC1D	speed call 1-digit
SC1D_ACT	speed call 2-digit activation
SC2D	speed call 1-digit
SC2D_ACT	speed call 2-digit activation
SCA	selective call acceptance
SCA_ACT	selective call acceptance activation
SCF	selective call forwarding
SCF_ACT	selective call forwarding activation
SCR	selective call rejection
SCR_ACT	selective call rejection activation
SDP	Session Description Protocol
SIA	SIP adapter
single-stage digit collection	Used with SIP subscriber features. Refers to when there is no tone provided for SIP users to prompt for forwarding digits. The SIP users enter the forwarding digits immediately after the VSC.
SIP	Session Initiation Protocol
SIP-T	SIP for telephones
SLE	screening list editing
SP	service provider
SPCS	stored program control system
SRV	server resource records
SS7	Signaling System 7

T
TCP	Transmission Control Protocol
TF	toll free
TG	trunk group
TGID	trunk group identity
TGW	trunking gateway
ToS	type of service
TSAP	Transport Service Access Point
TWC	three-way calling
TWCD	three-way calling deluxe

U
UAC	user agent client
UAS	user agent server
UDP	User Datagram Protocol
UI	user interface
URI	uniform resource identifier
URL	universal resource locator
USER-AUTH	User Authentication (refers to new table)
USTWC	usage-sensitive three-way calling

V
VM	voice mail
VoIP	voice over IP
VSC	vertical service code

W
WARMLINE	warmline
WFI	waiting for instruction

X
xDSL	(generic) digital subscriber line

Y

Z