Polycom realpresence group series Reference Guide

System Commands
Polycom, Inc. 273
listen
Registers the API session to listen for incoming video calls or system sleep/awake state, and provide
notification when the registered state occurs.
Syntax
listen <video|sleep>
Feedback Examples
● listen sleep
returns
listen sleep registered
to acknowledge that the session is now registered to listen for sleep mode
● listen video
returns
listen video registered
to acknowledge that the session is now registered to listen for incoming video calls
Limitations
None
Comments
None
Parameter Description
User
Accessible Additional Restrictions
video Instructs the session to listen for incoming
video calls. When this event occurs, the
message “listen video ringing” is
received.
✓
sleep Instructs the session to listen for when the
system goes into sleep mode. When this event
occurs, the message “listen going to
sleep” is received. When the system wakes
up, the message “listen waking up” is
received. Deprecated. Polycom recommends
using sleep register instead of this
command.
✓

Polycom realpresence group series Specifications

General

Video Standards	H.264, H.263, H.264 High Profile
Audio Standards	G.711, G.728
Content Sharing	People+Content
Network	H.323, SIP
Security	AES encryption
Video Input	HDMI
Video Output	HDMI
Audio Input	HDMI
Audio Output	HDMI
Audio Features	Noise Reduction, Automatic Gain Control
Connectivity	Ethernet
Ports	Ethernet, HDMI
Compatibility	Microsoft Lync / Skype for Business, BlueJeans, Zoom