Specifications

System Commands
Polycom, Inc. 4–209
listen
Registers the RS-232 session to listen for incoming video calls, phone calls, or
system sleep or awake state and, consequently, to give notification when the
registered state occurs.
Syntax
listen <video|phone|sleep>
Feedback Examples
• listen sleep
returns
listen sleep registered
to acknowledge that the session is now registered to listen for sleep mode
•
listen phone
returns
listen phone registered
to acknowledge that the session is now registered to listen for incoming
phone calls
•
listen video
returns
listen video registered
to acknowledge that the session is now registered to listen for incoming
video calls
Parameter Description
video Instructs the session to listen for incoming video calls.
When this event occurs, the message “listen video
ringing” is received.
phone Instructs the session to listen for incoming phone calls.
When this event occurs, the message “listen phone
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.