Dual Tone Multi Frequency. The signal to the phone company that you generate when you press an ordinary telephone's touch keys.

Telephone connector that holds up to six wires. RJ-11 is the common connector used to plug a telephone into the wall and also plug the handset into the telephone.

The amount of data that can be carried from one point to another in a given time period (usually a second). Network bandwidth is usually expressed in bits per second (bps). 

Allows you to work from anywhere by routing calls to your other devices (mobile for instance).

All the available ways to answer calls, like transfer, play a recorded greeting, or send callers directly to voicemail.

View who's calling before you opt to answer the call. By default, Dialpad should display your caller's phone number on your incoming call notification.  

Differentiated Services Code Point. A field in an IP packet that enables different levels of service to be assigned to network traffic. To do this, each packet needs to be marked on the network with a [..]

Digital Subscriber Line. Range of high-speed (broadband) communications services offered over the PSTN.

A piece of hardware or software program which protects a computer or network from attacks.

Internet Message Access Protocol. Internet protocol used by email clients to retrieve email messages from a mail server over a TCP/IP connection.