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52  |  HDZ Series IP PTZ User Manual
Video OCX Protocol Settings
The Video OCX Protocol setting is used to select the Video Streaming Protocol for the camera. 
There are various options to transmit streaming video over the network (see Table 4-2 on 
page 52). Choose the Video Streaming Protocol that best fits your viewing requirements and 
network properties (see Figure 4-3).
Note OCX protocol settings will only apply to video streams using a Honeywell Viewer.
Figure 4-3 Video OCX Protocol Settings
Choose the video OCX protocol that best fits your data delivery requirements (see Table 4-2).
Table 4-2 Video OCX Protocol Options 
OCX Option Description
RTP over UDP 
(default setting)
Provides an up-to-date video stream although some images may be 
dropped. Suitable for both an intranet and the Internet where there is 
no NAT firewall.
RTP over RTSP (TCP) Uses TCP for increased delivery reliability. Suitable for the Internet 
where firewalls are used and where an RTSP proxy is available.