User's Manual

Video Door Phone User Guide
4
Use of SIP
SIP, 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 been 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.
There are few typical applications of SIP products,
please refer to Figure 3:
 Make a video phone call from Video Phone A to
Video Phone B.
 Make a video phone call from softphone on
notebook to Video Phone A or Video Phone B.
 View SIP Camera video from Video Phone A or
Video Phone B.
 View SIP Camera video from softphone on your
computer.
Figure 3 : General SIP Application