Vivotek IP3111/3121 User Manual
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plug-in that is provided by Network Camera. This plug-in has been registered for certificate and is used to
setting the client parameters in the browser. Users may click on
to install the plug-in. If the web
browser does not allow the user to install, check the Internet security option to lower security levels or
contact network supervisors.
There are two settings for the client side. One is “Media Option”. You can mute the audio by checking
this option. The other is “Protocol Option”. You can choose the connection protocol between client and
server by this option. There are three protocols - UDP, TCP and HTTP. When you choose UDP protocol,
audio and video streams can be more real-time. But some packets may be lost and decoding error will
happen. If you select TCP protocol, packet loss isn’t occurred and decoder will run normally. But the
real-time issue is worse than UDP protocol. If your environment is behind the firewall and it opens HTTP
port (80) only, you can select HTTP protocol only. In this mode, audio will not be sent and you just can
see the video only. If you don’t know which protocol you should choose, select the UDP protocol and the
client will try these protocols in this order, UDP
TCP
HTTP. After the client connects to the
Network Camera successfully, “Protocol Option” will be set as the working protocol automatically.