Articles
Some values are expressed as 95% or 99% which is 95th and 99th percentile respectively. For...
ACD Average Call DurationThe average call duration is a measurement that reflects an average length of telephone calls...
ASR Answer Seizure RatioASR is a measure of network quality defined in ITU SG2 Recommendation E.411. It is calculated by...
BLF KeyBLF Key or Busy Lamp Field, is a presence indicator which allows you to see who in your...
BTN Billing Telephone NumberThis is the main telephone number associated with an account at the losing carrier in relation to...
Business DayA day other than Saturday, Sunday, or the following federal holidays observed in the United...
Call ForwardingCall forwarding allows the user to forward a call received depending on the call forwarding type...
Carrier of RecordThe entity that is exclusively responsible for compliance with regulatory and tax registrations,...
Confidential InformationConfidential Information Shall mean any non-public information provided in any format (written,...
Customer Service Record (CSR)Your CSR is the record of information associated with your account including your number(s),...
DND Do Not DisturbDo Not Disturb, often abbreviated as DND, sets the phone status to unavailable. Inbound calls...
Direct Inward Dialing (DID)Direct Inward Dial (DID). A DID is a service which allows a customer to allocate individual phone...
Domain (VOIP)A VOIP Domain is generally considered to be a single customer organization. The exception would...
EndpointVOIP Endpoints are SIP-enabled devices such as VOIP phones, softphones (for instance,...
FXO Foreign Exchange OfficeA Foreign Exchange Office Port, is known as an FXO port. FXO is the type of port found on the...
FXS Foreign Exchange SubscriberFXS, or Foreign Exchange Subscriber, is a type of port on Analog Telephone Adapters (ATA) and...
Firm Order Confirmation (FOC)This is the date provided by the losing carrier during a number port that the phone provider will...
IMEI International Mobile Equipment IdentityThe IMEI is a unique, fifteen digit number which identifies a cellular device. Occasionally you...
Jitter BufferJitter buffers are used to counter packet-delay-variation (PDV or jitter) introduced by queuing...
LSR Local Service RequestThis is the actual order request that the Losing Service Provider will receive during the porting...
Letter of Agency or Authorization (LOA)A Letter of Agency or Authorization (LOA) is the form that gives AVATAVA the authorization (or to...
Losing Service Provider or Losing Carrier (LSP)This is the carrier or service provider which is losing a telephone number(s) during a port request.
MRC Monthly Recurring CostMonthly Recurring Costs or MRC are costs which have a fee for each month of service, versus Non...
Mean Opinion Score (MOS)Mean opinion score (MOS) is a test that has been used for decades in telephone networks to obtain...
NRC Non Recurring CostNon Recurring Costs (NRC) are one time costs for a service, such as installation, setup, or other...
PDD Post Dial DelayPost Dial Delay (PDD) is experienced by the customer originating the call from the time the final...
PLC Packet Loss ConcealmentPacket Loss Concealment (PLC) is a technique which may mask the effects of packet loss in VOIP...
POTS Plain Old Telephone ServicePlain Old Telephone Service (POTS) is a retronym (an acronym for something that already existed...
PSAP Public Safety Answering PointPSAPs (Public Safety Answering Points) receive 911 emergency calls and dispatch appropriate...
PSTN Public Switched Telephone NetworkPSTN stands for the Public Switched Telephone Network, which is the aggregate of local,...
Packet LossPacket loss occurs when one or more packets of data traveling across a computer network fail to...
PortA port is the process in which a Telephone Number is transferred from the Losing Carrier to...
RTCP Real-Time Transport Control ProtocolThe RTP Control Protocol (RTCP) is a sister protocol of the Real-time Transport Protocol (RTP)....
SIP Session Initiation ProtocolIP, or Session Initiation Protocol is a foundation protocol formalized by the International...
SLA Shared Line AppearanceShared line appearance (SLA) mimics the traditional KSU (key system unit) interface where all...
SoftphoneA softphone is an application run on an internet-connected device which mimics the functionality...
Star CodesVertical Service Codes, also known as Star Codes, were originally developed by AT&T and...
System UserSystem User is a user which is created alongside an application. These users provide features to...
Telephone Number (TN)A Telephone Number (TN) is historically associated with a copper path or circuit, today we tend...
eFaxeFax is a service which allows you to send faxes via e-mail or a printer driver (Windows only)...
