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Video Phone User Guide
3
What is SIP
SIP is the initial of Session-Initiation-Protocol; it is an application-layer control
(signaling) protocol for creating, modifying, and terminating sessions with one
or more participants. These sessions include Internet telephone calls,
multimedia distribution, and multimedia conferences. Simply say, SIP is a most
commonly used protocol that used to interconnect SIP Enabled PBXes and/or
SIP User Agents to each other to establish voice and video sessions between
each other over an IP Network.
This IP Video Phone implemented with advanced SIP technologies that is able
to provide outstanding voice and video quality over the IP network.
The diagram on right side provides an example of a SIP infrastructures.
Figure 2 : SIP Infrastructures