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Relationship between Video Preview and RTSP Enabled

At Add Contact or Edit Contact, users can see Video Preview and RTSP Enabled two options.



After configuring, these two options are like:



1. Video Preview is a option which used to enable whether there are video preview before a video call is answered or not.



2. RTSP Enabled is a option which used to enable/disable the monitor feature of devices. When enable this option, devices' RTSP address is needed.

There are four situations:

1.Video Preview is enabled, RTSP is enabled.

In the calling Interface, it will show a window with normal live picture. In the monitor interface, it will also show normal live picture.


2.Video Preview is enabled, RTSP is disabled.

In the calling Interface, it will show a window but with black background. In the monitor interface, it will show normal live picture, but when the phone dial out, it is without voice.


3.Video Preview is disabled, RTSP is enabled.

In the calling interface, it will not show a windows. In the monitor interface, it will also show normal live picture.


4.Video Purview is disabled, RTSP is disabled.

In the calling interface, it will not show a windows. In the monitor interface, it will show normal live picture, but when the phone dial out, it is without voice.