Video Features
Polycom, Inc. 34
Video and Camera Parameters
You can use configuration parameters to configure the video and camera options for supported cameras.
Using the parameter
video.camera.x.type
, you can configure parameters differently for the following
cameras supported with Polycom Trio 8500 and 8800 paired with Polycom Trio Visual+:
● Polycom EagleEye IV USB camera (Polycom Trio 8800 only)
● Logitech C930e webcam
Below is an example of per-camera configurations for the Polycom EagleEye IV USB camera and
LogitechC930e webcam.
video.autoFullScreen
video.cfg
0 (default) — Video calls only use the full screen layout if it is
explicitly selected by the user.
1 — Video calls use the full screen layout by default, such as when a
video call is first created or when an audio call transitions to a video
call
video.callRate
video.cfg
The default call rate (in kbps) to use when initially negotiating
bandwidth for a video call.
512 (default) - The overlay does not time out.
128 - 2048
video.forceRtcpVideoCodecContro
l
video.cfg
0 (default) — RTCP feedback messages depend on a successful
SDP negotiation of a=rtcp-fb and are not used if that negotiation is
missing.
1 — The phone is forced to send RTCP feedback messages to
request fast I-frame updates along with SIP INFO messages for all
video calls irrespective of a successful SDP negotiation of a=rtcp-fb.
video.maxCallRate
video.cfg
Sets the maximum call rate that the users can select. The value set
on the phone cannot exceed this value. If video.callRate
exceeds this value, this parameter overrides video.callRate and
this value is used as the maximum.
768 (default)
128 - 2048
Example Per-Camera Configuration
video.camera.1.type = EagleEyeIVUSB video.camera.2.type=LogitechC930e
video.camera.1.backlightCompensation = 1
video.camera.1.focus.auto=1
video.camera.2.backlightCompensation = 1
video.camera.2.focus.auto=0
video.camera.2.focus.range=150
Video Transmission Parameters
Parameter
Temp l at e
Permitted Values
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