Vivotek PT3117 User Manual page 21

The TCP protocol allows for less packet loss and produce a more accurate video display.
The downside with this protocol is that the real-time effect is worse than that with the
UDP protocol.
The HTTP protocol must be selected if the network is protected by a firewall and it only
allows HTTP Port (80) to be opened. In this mode, audio will not be sent and only video
is operational. If no special need is required, UDP protocol is recommended.
Generally speaking, the client's choice will be in the order of UDP → TCP → HTTP.
After the Network Camera is connected successfully, "Protocol Option" will indicate the
selected protocol. The selected protocol will be recorded in the user's PC and will be
used for the next connection. If the network environment is changed, or the user wants
to let the web browser to detect again, manually select the UDP protocol, save, and
return HOME to re-connect.
<url>
http://<Network Camera>/protocol.html
<Network Camera> is the domain name or the original IP address of the Network
Camera.
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www.vivotek.com
T: 886-2-82455282
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