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MoH – Message/Music on hold
An 8x8 VoIP business service feature that allows you to replace dead air with melodic music or important information with our Music/Messaging on Hold feature.

AA - Auto Attendant
A powerful automated 8x8 VoIP business service that replaces the need for a receptionist. Learn More >

Ring Groups
A ring group is a way for a set of 8x8 Virtual Office extensions to share the distribution of incoming calls. Typically support, sales, and accounting would have ring groups to share the incoming calls among employees of a company.

Simultaneous Ring
The simultaneous ring feature permits an incoming phone call to ring not only your 8x8 number, but also a standard PSTN number along with any other 8x8 number(s) simultaneously.

DND – Do Not Disturb
An 8x8 setting that lets you forward all incoming calls to your voicemail and your phone never rings.

VN – Virtual Number
A Virtual Phone Number is a second number that when called, rings to a primary 8x8 line. Virtual Phone Numbers can be from most area codes in the US, thereby providing enormous savings to people phoning you from that selected area code. Learn More >

TFN – Toll Free Number
8x8 offers an inexpensive way to have toll-free number service for your business or personal use. We offer toll-free number service in conjunction with our calling plans that allows callers to phone you for no charge regardless of their location inside the US or your location worldwide. Learn More >

Conference Bridge
Conference Bridge is used to connect multiple people over a phone line or broadband Internet connection such as for a conference call. Learn More >

ONA – One Number Accesss
8x8 Virtual Office One Number Access allows you to specify up to four phone numbers to ring when the caller calls on one specified number.

Follow Me, Find Me
8x8's Follow Me, Find Me is a call hunting feature that allows you to enter up to five phone numbers to ring in sequence. Learn More >

PBX - Private Branch Exchange.
An IP PBX is a private branch that switches calls between VoIP (Voice over Internet Protocol or IP) users on local lines while allowing all users to share a certain number of external phone lines.

E911 - Enhanced 911
E911 service delivers address-specific (versus phone number-only) call-back information to public service answering points (PSAPs) whenever someone makes an emergency call. Learn More >

LNP - Local Number Porting
Local Number Portability (LNP) enables consumers in the United States to transfer their existing telephone number (traditional or Internet-based) from one phone service provider to another. Learn More >

MGCP - Media Gateway Control Protocol
Media Gateway Control Protocol is a protocol used within a distributed Voice over IP system.

TCP/IP - Transmission Control Protocol/Internet Protocol
The Internet protocol suite is the set of communications protocols that implements the protocol stack on which the Internet and many commercial networks run. It is part of the TCP/IP protocol suite, which is named after two of the most important protocols in it: the Transmission Control Protocol (TCP) and the Internet Protocol (IP), which were also the first two networking protocols defined.

G.711, G.729, G.726
These codes represent logarithmic pulse-code modulation.

SIP - Session Initiation Protocol
The Session Initiation Protocol (SIP) is an application-layer control (signaling) protocol for creating, modifying, and terminating sessions with one or more participants. These sessions include Internet telephone calls, multimedia distribution, and multimedia conferences.

SDP - Session Description Protocol
Session Description Protocol (SDP), is a format for describing streaming media initialization parameters.

RTP - Real-time Transport Protocol
The Real-time Transport Protocol (or RTP) defines a standardized packet format for delivering audio and video over the Internet.

RTCP - Real-time Transport Control Protocol
Real-time Transport Control Protocol provides out-of-band control information for an RTP flow. It partners RTP in the delivery and packaging of multimedia data, but does not transport any data itself. It is used periodically to transmit control packets to participants in a streaming multimedia session. The primary function of RTCP is to provide feedback on the quality of service being provided by RTP.

DTMF - Dual-tone Multi-frequency
Dual-tone multi-frequency (DTMF) signaling is used for telephone signaling over the line in the voice-frequency band to the call switching center.

QoS - Quality of Service
Quality of Service (QoS) refers to control mechanisms that can provide different priority to different users or data flows, or guarantee a certain level of performance to a data flow in accordance with requests from the application program.

NAT - Network Address Translation
Network Address Translation (NAT) involves re-writing the source and/or destination addresses of IP packets as they pass through a router or firewall. Most systems using NAT do so in order to enable multiple hosts on a private network to access the Internet using a single public IP address.

DMZ – Demilitarized Zone
A DMZ is a network area that sits between an organization's internal network and an external network, usually the Internet. Typically, the DMZ contains devices accessible to Internet traffic, such as Web (HTTP ) servers, FTP servers, SMTP (e-mail) servers and DNS servers.

DHCP - Dynamic Host Configuration Protocol
DHCP is a set of rules used by communications devices such as a computer, router or network adapter to allow the device to request and obtain an IP address from a server which has a list of addresses available for assignment.

WAN - Wide Area Network
Wide Area Network (WAN) is a computer network that covers a broad area (i.e., any network whose communications links cross metropolitan, regional, or national boundaries). Or, less formally, a network that uses routers and public communications links. Contrast with personal area networks (PANs), local area networks (LANs), campus area networks, (CANs), or metropolitan area networks (MANs) which are usually limited to a room, building, campus or specific metropolitan area (e.g., a city) respectively. The largest and most well-known example of a WAN is the Internet.

LAN - Local Area Network
A local area network is a computer network covering a small geographic area, like a home, office, or group of buildings.

PPPoE - Point-to-Point Protocol over Ethernet
Point-to-Point Protocol over Ethernet, is a network protocol for encapsulating point-to-point protocol frames in Ethernet frames.

VPN/IPSec - Virtual Private Network/Internet Protocol Security
A virtual private network (VPN) is a private communications network often used by companies or organizations, to communicate confidentially over a public network. VPN traffic can be carried over a public networking infrastructure (e.g. the Internet) on top of standard protocols, or over a service provider's private network.

UPnP - Universal Plug and Play
Universal Plug and Play (UPnP) is a set of computer network protocols promulgated by the Universal Plug and Play Forum. The goals of UPnP are to allow devices to connect seamlessly and to simplify the implementation of networks in the home (data sharing, communications, and entertainment) and corporate environments.

IP - Internet Protocol
Internet Protocol is the computer networking protocol used on the Internet.

RJ-11
This code is a physical interface often used for terminating telephone wires.

RJ-45 (aka 8P8C)
This code is a modular connector with eight positions, all containing conductors.

TFTP - Trivial File Transfer Protocol
Trivial File Transfer Protocol (TFTP) is a very simple file transfer protocol, with the functionality of a very basic form of FTP.

Bandwidth
A measure of frequency range and is typically measured in hertz.

VoIP – Voice Over Internet Protocol
Voice over Internet Protocol, also called VoIP, IP Telephony, Internet telephony, Broadband telephony, Broadband Phone and Voice over Broadband is the routing of voice conversations over the Internet or through any other IP-based network.

Virtual Attendant
A powerful, automated inbound call routing solution enables small businesses to connect wired, mobile, home phones and other Virtual Office extensions under a single primary phone number. Learn More >

VO - Virtual Office
8x8's complete and affordable VoIP business phone system, Virtual Office delivers powerful hosted PBX calling features combined with local and long distance service. Learn More >

Hosted PBX
A hosted PBX system delivers PBX functionality as a service, available over the Public Service Telephone Network (PSTN) and/or the internet. 8x8 business services delivers powerful hosted PBX calling features combined with local and long distance service. Learn More >