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Polycom VSX Series Integrator's Reference Manual

Polycom VSX Series
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Integrator's Reference Manual for the VSX Series
3 - 16 www.polycom.com/videodocumentation
Audio Commands
Command Syntax Description Example
audiotrans-
mitlevel
audiotransmitlevel
<up|down|set|get|register|unregist
er> [-20..30]
Where:
•up: Sets the volume 1 decibel higher
than the current setting.
down: Sets the volume 1 decibel
lower than the current setting.
set: Sets the volume to the specified
dB level. Valid values are: {-20..30}
•get: Returns the current audio
volume of the far site.
•register: Registers to receive
notification when audio transmit level
changes.
•unregister: Unregisters to receive
notification when audio transmit level
changes.
Sets or gets the audio volume
transmitted to the far site. Used
when a control system needs to
increase the audio gain level of
DTMF tones being sent to a
gateway.
audiotransmitlev
el up
echocancel-
ler
echocanceller <red|white>
<yes|no|get>
Where:
•red: Line in red.
•white: Line in white.
•yes: Enables the echo canceller
option.
•no: Disables the echo canceller
option.
•get: Returns the current setting (yes
or no).
Prevents users from hearing
their voice loop back from the far
site. This option is enabled by
default.
Note: Polycom strongly recom-
mends that you do not turn off
echo cancellation except when
using an external microphone
system with its own built-in echo
cancellation.
User interface screen location:
System > Admin Settings >
Audio (page 2): Echo
Canceller
echocanceller yes
echocancel-
lerred
echocancellerred <yes|no|get>
Where:
•yes: Enables the echo canceller
option for red line in.
•no: Disables the echo canceller
option for red line in.
•get: Returns the current setting (yes
or no).
Sets or gets the line in red (right)
echo canceller.
User interface screen location:
System > Admin Settings >
Audio (page 2): Echo
Canceller
echocancellerred
yes

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Polycom VSX Series Specifications

General IconGeneral
Video StandardsH.264, H.263++
Audio StandardsG.711, G.722, G.722.1, G.728
Network ProtocolsH.323, SIP
Video InputsS-Video, Composite video
Video OutputsComposite, S-Video, DVI, HDMI
Audio InputsLine In
Audio OutputsLine Out
Data CollaborationH.239
Network InterfacesEthernet
Power ConsumptionVaries depending on the specific model and configuration.

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