Polycom EX Guía Del Software

API Guide for ViewStation EX, ViewStation FX, and VS4000 

14

www.polycom.com/videodocumentation

This command simultaneously unregisters all registered user feedback, so 
that you will not be informed in the API interface of changes that have been 
made to any of the parameter types listed in the following table.

The function and syntax of all unregisterall and unregisterall are 
identical.

Unregisters any registered parameters so that the API 
interface no longer reports changes to the parameters. 
The following types of parameters are unregistered:

• Current near end or far end source

• State of privacy

• Current volume level

• Active camera presets

• Status of point-to-point or multipoint calls

• Status of physical ISDN/IP connection to codec

• PIP state

• Visual Concert state

• Chair control

• System information

• Gatekeeper status