Even experts need occasional help with telecom terms. We have combined glossaries from several sources to simplify finding the definitions you need.
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SAG
See Street Address Guide.
SBN
See Special Billing Number.
Scheduling Availability Inquiry
A Verizon Wholesale pre-order transaction that is used to check installation dates, in order to negotiate appointments prior to processing a 'plain old telephone service' (POTS) LSR.
SCORE
See Service Code Online Report.
SCP
See Service Control Point.
SecurID
A network security system that includes a SecurID card and associated User
ID and Password which allows CLECs
and Resellers access to Verizon through its firewall.
SecurID Form
The Verizon form that is submitted by CLECs
and Resellers to obtain a SecurID,
User ID and Password.
Server
A networked computer that stores information and makes it available upon request
to client programs that may be located on other computers. "Client-server"
computing is the basis of virtually all local area networks and the World Wide
Web.
Service Access Code (SAC)
A Service Access Code is also known as a Numbering
Plan Area (NPA). There are two general categories of NPAs:
Service Analyzer Inquiry
A Verizon Wholesale local pre-order transaction that allows a Reseller to quote rates for the Personal Unlimited Plan (PUP) to their residence end users in New York, New Jersey and Pennsylvania only.
Service Code Online Report
This Web based application displays a complete list of product/service ordering codes for a Verizon location, based upon the state tariff and facilities capabilities for that area. It is used in the Verizon West region.
Service Control Point (SCP)
The node in the common channel
signaling network to which informational requests for service handling,
such as routing, are directed and processed. The SCP is a real time database
system that, based on a query from a service
switching point (SSP) and via a signaling
transfer point (STP), performs subscriber or application-specific service
logic; then sends instructions back to the service switching point on how to
continue call processing.
Service Management System (SMS)
A Verizon system that allows provisioning
and updating of subscribers and services in near real time for administrative
and billing purposes.
Service Order Analysis and Control (SOAC)
An operational support system implemented by Verizon to coordinate the provisioning
order management process. SOAC schedules and manages tasks performed by provisioning
systems such as facility assignment, circuit design and network activation.
Service Order From SOP Inquiry
A Verizon Wholesale local pre-order transaction that allows the CLEC to retrieve a pending service order from the service order processor.
Service Order Identification Number (SOID)
A unique service order number is issued each time a service order is requested.
Service Order Image (SOI)
The description of an end user's request for
telephone service as represented by several Verizon North end user contact systems.
The SOI contains end user information such as billing information, service needs,
desired listing, etc.
Service Order Management Administrative Report Tracking System (SMARTS)
A network system used by Verizon North to administer and track service orders
that require technician dispatch.
Service Order Processor (SOP)
One of several systems used by Verizon to process service requests.
Service Provider (SP)
A company that provides telecommunications services. Includes Verizon, along
with other Incumbent Local
Exchange Carriers (ILECs), along with Competitive
Local Exchange Carriers (CLECs), Long Distance Carriers and Commercial
Mobile Radio Service (CMRS) Providers.
Service Switching Point (SSP)
A Signaling Point that can launch queries to
databases and receive/interpret responses used to provide specific customer
services.
Serving Wire Center
The first local exchange carrier
wire center to which facilities
are connected on the terminating path of a call proceeding from the customer
premises to the terminating end office.
Shielded Twisted Pair (STP)
Two-pair wire medium used in the transmission of several different protocols.
STP is capable of supporting CDDI
for link distances of up to 100 meters. These wires have a layer of shielded
insulation.
Signal-to-Noise Ratio (S/N Ratio)
The ratio of the signal power to the noise power at a point in a system (usually
expressed in decibels).
Signaling
The transmission of address and other switching information between end
users and central offices, and between
central offices.
Signaling Point (SP)
A node in the CCS network that
originates and/or receives signaling messages, or transfers signaling messages
from one signaling link to another, or both.
Signaling Point of Interconnection (SPOI)
The Interexchange Carrier-designated
location, in the same LATA
as the local service provider Signaling
Transfer Point, where SS7 signaling information is exchanged between the
telephone company and the Interexchange Carriers.
Signaling Point of Interface
The customer-designated location, in the same LATA as the local service provider
Signaling Transfer Point, where SS7
signaling information is exchanged between the provider and the customer.
Signaling Repeater Loop
Line quality enhancement equipment that detects and regenerates signaling states.
Signaling System 7 (SS7)
A digital data network carrying signaling information that interfaces with
the telephone company voice/data network for services using the American National Standards Institute (ANSI) Common
Channel Signaling (CCS7) protocol. Also known as CCS/SS7.
Signaling System 7 Network
A digital data network carrying signaling information that interfaces with
the telephone company voice/data network for services using the American National Standards Institute (ANSI) Common
Channel Signaling (CCS7) protocol.
Signaling Transfer Point (STP)
A specialized switch that provides SS7 network
access and performs SS7 message routing, screening and transfer of signaling
message through the common
channel signaling network.
Singing Return Loss (SRL)
The frequency-weighted measure of return loss at the edges of the voiceband
(SRL Low, 260 to 500 Hz and SRL High, 2200 to 3400 Hz), where singing (instability)
problems are most likely to occur.
Single Sign On
A mechanism by which a user is authenticated and authorized for access to a variety of applications.
"Slamming"
Changing an end user's primary local
exchange carrier or Interexchange
Carrier without the end user's authorization.
Slamming is unlawful.
SNA
See Systems Network Architecture.
SONET (Synchronous Optical Network)
Special Access Service
A transmission path directly connecting an Interexchange
Carrier location in a LATA
to an end user premise or another Interexchange
Carrier location.
Special Billing Number (SBN)
A CRIS account number in the form of a fictitious billing
telephone number (BTN) , which is used for non-WTN (working telephone number)
specific products and services, such as unbundled
loops and billable directory listings.
Specialized Mobile Radio System (SMRS)
A private radio system providing land mobile communications service to eligible
persons on a commercial basis.
Spectrum
The range of electromagnetic radio frequencies used in the transmission of
voice, data and television.
SRL
See Singing Return Loss.
SS
See Subscription Services.
SSO
See Single Sign On.
SS7 Interconnection and Transport
A Verizon Wholesale service that offers Inter-exchange providers the ability to interconnect to Verizon's Signaling System 7 Network at one or more signal transfer points. Learn more.
Statement of Generally Available Terms and Conditions (SGAT)
File Q statement of the generally available terms and conditions for interconnection
with an ILEC's network
in the absence of a negotiated agreement.
Strapping
The act of installing a permanent connection between a Point
of Termination (POT) Bay and a collocated party's physical collocation
node.
Street Address Guide
A resource that provides the subscribing Local Service Provider (LSP) with all the valid address ranges to assist with Address Validation. Available in the Verizon North Region.
Sub-Account Billing Telephone Number (SBTN)
End user telephone number.
Subscriber Line Charge (SLC)
A monthly fee paid by a telephone subscriber to the local
exchange carrier for part of the cost of installation and maintenance of
the telephone wire, poles, and other facilities that link a residence to the
telephone network. The SLC is one component of access
charges.
Subscription
Permits an end-user customer served from an Equal
Access office to automatically route, without the use of an access code,
the customer's local toll and long distance communications to an Interexchange
Carrier of the customer's choice. The customer may also gain access to an
alternate Interexchange Carrier by using the appropriate carrier access code;
for example, 1010XXX.
Subscription Services
A Verizon Wholesale application which enables InterLATA PIC, IntraLATA LPIC changes, Billing Name and Address (BNA)
requests, DPIC/UNPIC requests, Merger/Acquisition requests, Data Gathering
requests, and PIC/LPIC Database Verification requests.
Summary Account
A method of consolidating the monthly charges on multiple BTNs and/or SBNs.
A summary account bill includes all related sub-account bills, with the charges
totaled for payment at the summary account level. Also called a Summary Bill
Account.
Summary Bill Account
A method of consolidating the monthly charges on multiple billing telephone
numbers and/or sub-billing telephone numbers. A summary account bill includes
all related sub-account bills, with the charges totaled for payment at the summary
account level. Also called a Summary Account.
Superframe Format (SF)
The structure consisting of 12 DS1 frames
(2316 bits) that utilizes the framing bit of twelve consecutive frames to provide
terminal framing and signaling framing. The DS1 has 193 bit positions.
Suspend for Non-Payment (SNP)
Collections activities including suspension of outgoing calls (one-way) or
suspension of incoming and outgoing calls (two-way).
Switch
A device that can be controlled to interconnect two circuits.
In the context of Frame or LAN switching, this refers to a device that filters, forwards and floods frames based on the frame destination address. The switch learns the addresses associated with each switch port and builds tables based on this information to be used for the switching decision. Some switches are high speed implementations of bridges where switching decisions are made by computer chips, usually an Application Specific Integrated Circuit (ASIC).
Switched Access Service
Switched Access Service provides for a two-way communications path capable of transmitting both voice and data services between an Interexchange Carrier location and the premises of its end-user customers. It includes access services that use the local exchange carrier's central
office switches. Learn more.
Switched Line
One of a series of lines that can be interconnected through a switching center;
a line on the Public Switched
Telephone Network. Contrasts with leased line.
Switched Multimegabit Data Service (SMDS)
A broadband communications standard for the
Public Switched Telephone
Network.
Switched Services
All dial-up telecommunications services including conventional residential
services and Wide
Area Telecommunications Services (WATS).
Switched Virtual Circuits (SVC)
A virtual link, with variable end-points,
established through an ATM network.
With a SVC, when the call is initiated, the user defines the end-points
that are subsequently terminated at the end of the call. With a Private Virtual
Circuit (PVC), the end-points are predefined by the network manager.
A single virtual path may support multiple SVCs.
Synchronous
A form of communications where characters or bits are sent in a continuous
stream, with the beginning of one signal continuous with the end of the preceding
one; separation of one from the other requires the receiver to maintain a synchronization
to a master timing signal.
Synchronous Optical Network (SONET)
An optical interface standard that allows different digital signals to be transported
using a base transmission rate of 51.84 megabits per second OC-1 (Optical
Carrier) / STS-1 (Synchronous Transport
Signal). Higher rates are direct multiples of the basic OC-1 building block.
Synchronous Transport Signal - Level 1 (STS-1)
The basic SONET logical building
block signal. STS-1 provides a total bandwidth of 51.84 megabits per second,
including both overhead and payload. An STS-1 is capable of transporting a single
DS3 in any configuration (for example, M13 formatted with multiplexed
DS1s or clear channel 44.736 megabits per second) or up to the equivalent of
28 DS1s using SONET "VT" mappings.
The interface to an STS-1 is a metallic-based electrical interface. Also,
Systems Connections
Process by which Access users electronically submit orders or trouble administration information.
Systems Network Architecture (SNA)
A widely used network architecture.
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