C glossary – CounterPath Bria iPad Edition 2.4.2 User Guide User Manual

Page 75

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Bria

iPad Edition

User Guide

71

C Glossary

Codec

Codecs are programs in Bria involved in transmitting audio; each codec has different
characteristics and therefore each works better in some situations than in others.

DTMF

Dual-tone multi frequency. DTMF is the system that is used in interactive voice-
response menu systems such as the menu system for accessing voicemail messages.
The DTMF system allows the user to interact with the menu by pressing keys on a
dialpad or keyboard.

Home button

The button at the bottom of the iPad or iPod touch.

IM

Instant Messaging. A technology that lets users send text messages for near
instantaneous delivery and display on each others’ devices.

ICE

Interactive Connectivity Establishment. A method for traversing a firewall.

IP address

A unique number that identifies a device. Devices on a network use the IP address to
communicate with each other.

IVR

Interactive Voice Response. IVRs use DTMF.

Media

The audio portion (and the video portion if any) of a call. Compare to

Signaling”.

PSTN

Public Switch Telephone Network. The traditional land-line phone network.

Presence

An instant messaging feature that allows users to share information about their online
status.

Signaling

The information in a call that deals with establishing and controlling the connection,
and managing the network. The non-signaling portion of the call is the Media.

SIP

Session Initiation Protocol. The signaling protocol followed by Bria for handling
phone calls.

SIP account

An account that provides the user the ability to make VoIP phone calls. The account
encapsulates the rules and functions the user can access.

softphone address

The address used to connect to a SIP endpoint. In other words, the “phone number”
used in a VoIP phone call. For example, sip:[email protected].

STUN

Simple Traversal of UDP through a firewall or NAT.

Wi-Fi call

A Bria call made over the Wi-Fi internet. To make a Wi-Fi call, you must be in a Wi-
Fi zone.

XMPP account

An account that provides the user with the ability to send IMs and view other people’s
presence.

3G/4G call

A Bria call that uses the mobile data newtork rather than the Wi-Fi network. If you
start (or receive) a call with an iPad when you are not in a Wi-Fi zone, the call will be
a 3G/4G call. Not all supported devices support 3G; see page 3.

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