CallWeaver Glossary

Glossary of terms used on OpenPBX.org wiki pages

 

AGI

• Asterisk Gateway Interface, an interface to run external scripts within the Asterisk PBX’ dialplan.

 

API

• Application Programming Interface

 

BRI

• Basic Rate ISDN

 

CLI

• Command Line Interface

 

DSP

• Digital Signal Processing

 

GPL

• GNU General Public License – an open source license published by the Free Software Foundation

 

H.323

• an ITU recommendation of a signaling protocol suite for VoIP and video conferencing

 

IAX2

• Inter Asterisk eXchange, a VoIP protocol initially designed for peering Asterisk servers

 

IP

• Internet Protocol, short name for the TCP/IP suite of protocols

 

IRC

• Internet Relay Chat

 

ISDN

• Integrated Services Digital Network

 

IVR

• Interactive Voice Response

 

Jingle

• Jingle is a VoIP extension to the XMPP/Jabber instant messaging protocol

 

LTP

• Lightweight Telephony Protocol – a signaling and media protocol for VoIP

 

MFC/R2

• Multi-Frequency Code signaling Release 2, a channel associated signaling protocol

 

MGCP

• Media Gateway Control Protocol – a signaling protocol for VoIP

 

NAT

• Network Address Translation – a scheme to route traffic between private non-routable IP addresses on a LAN and public IP address on the internet

 

OGI

• OpenPBX Gateway Interface, same as AGI, but renamed for use with OpenPBX.org

 

PBX

• Private Branch eXchange

 

POSIX

• Portable Operating System Interface for uniX – a suite of standards for cross-platform compatibility between Unix operating systems

 

POTS

• Plain Old Telephone System, usually referring to analog telephone lines

 

PRI

• Primary Rate ISDN

 

PSTN

• Public Switched Telephone Network

 

RC

• Release Candidate

 

RTP

• Real-time Transport Protocol – a media protocol used in conjunction with H.323, MGCP and SIP.

 

SIP

• Session Initiation Protocol – a signaling protcol, used for but not limited to VoIP

 

SCCP

• Skinny Client Control Protocol, a proprietary signaling protocol for VoIP by Cisco

 

STUN

• Simple Traversal of UDP through NAT – a scheme to work around difficulties when traversing NAT. STUN is defined in RFC3489.

 

SVN

• short name for the Subversion revision control system by CollabNet

 

T.38

• a fax over IP standard

 

UDP

• User Datagram Protocol – one of the protocols of the TCP/IP protocol suite. UDP is defined in RFC768.

 

VoIP

• Voice over Internet Protocol – a generic term for protocols used to carry telephone calls over IP.

 

XMPP

• Extensible Messaging and Presence Protocol – an instant messaging protocol used by Jabber and Googletalk

 

Zaptel

• Zapata Telephony interface, initially for use with telephony hardware designed by the Zapata project

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