CounterPath Bria iPhone Edition User Guide - Manual (Page 25)

Bria iPhone Edition User Guide
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B Glossary
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
dial pad or keyboard.
Home button The button at the bottom of the iPhone or iPod Touch.
ICE Interactive Connectivity Establishment. A method for traversing a firewall.
IP address A unique number that identifies a computer. Computers on a network use the IP
address communicate with each other.
IVR Interactive Voice Response. IVRs use DTMF.
Media The audio portion of a call. Compare to “ Signaling”.
Native phone service The phone service that comes with the iPhone.
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 Professional 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.
STUN Simple Traversal of UDP through a firewall or NAT.