It is helpful to have a business VoIP glossary, someplace you can turn the next time you need to have an update or want a better understanding of recommended changes from your VoIP, or Voice over Internet Protocol, provider. Here is a quick, reference guide of popular terms or features when it comes to VoIP.

Audio Menu

A list of options provided verbally over the phone.

Authenticated Call

A feature that verifies the identities of all phones

Auto attendant/Virtual Receptionist

Through a virtual phone number, an auto attendant, or virtual receptionist, accepts calls, forward calls, and records voicemail.


The amount of data that can be transmitted via an Internet provider's communication lines at one time.


A feature that allows users of a shared line to join in on the call.

Busy Lamp Field

Use BLF to see the state of a phone line, including if it's in use, idle, or in the do not disturb state.

Call Queuing

This popular phone feature allows an unlimited amount of callers to wait on hold until someone is able to take the call or it's forwarded to the proper department.

Hosted PBX

This complex system of communication is managed by a VoIP provider. Calls can be transferred, music can be supplied while on hold, and an auto attendant feature can be employed. Numerous people can use the system at one time, regardless of location, while everyone is connected to the same telephone system.

Hunt Group

A system that is used to help a business handle a large load of calls. A hunt group involves a series of directory numbers. If one number is busy as calls come in, the system directs the call to another number.

Malicious Call Identification

The MCID feature identifies suspicious calls and begins a tracking process.

Multilevel Precedence and Preemption

The MLPP prioritizes critical calls in order to receive urgent calls and instantly end calls that aren't a priority.

Number Portability

Maintain the same phone number when switching providers, generally if the number is needed in the same geographic location.

Protected Calling

Calls are received and transmitted through encrypted audio for security purposes.

Push to Talk

Communicate as many as 50 others by pushing a button, treating one phone as a centralized portal when managing numerous devices.

Remote Office

An additional office, or branch, that is located in a separate location from the central office.

SIP Trunk

A Session Initiation Protocol, or SIP, trunk uses one circuit to stream various types of data at one time, including voice, video, and instant messaging.

Speed Dialing

Set up an efficient system to place calls to commonly used numbers at the push of a button.

Stutter Tone

Stutter tone creates a dial tone with short gaps, indicating that a voice mail is waiting.

Visual Call Parking

Store a call, enabling a person to see that call and pick it up from another phone.

Virtual Office

Not to be confused with a remote office, a virtual office supplies a physical address in another location where mail is received and forwarded.