Glossary

SIP

Session Initiation Protocol, IETF standards for

SIP Endpoint

SIP-EP, a term used in this document to refer to both SIP terminals/clients and SIP-PBXs (the media gateway).

SIP Extension

The SIP extension feature allows terminals that are compliant with SIP standards, IETF RFCs, to register in and connect to the MX-ONE system. These standards give recommendations for multimedia communications over IP networks. The term "IP extension" includes both H.323 and SIP extensions. The SIP extension is implemented as a generic extension. The SIP extension can be either single line access (have only one active call), or multi-line access (have several active calls). Which access type is valid depends on the terminal brand/model, and the configuration.

SIP-PBX

The Enterprise's point of SIP signaling inter- connection with the SIP extension/client. Here the MX-ONE System.