Polycom VIEWSTATION EX, Руководство пользователя

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Chapter 4 - Advanced Configuration for your Network Environment
© Polycom, Inc. 2003 137
this address. This is the address of a relay server that unicasts
the stream to multiple endpoints.
❑
Number of Router Hops
—The number of router hops is
officially called Time to Live or TTL. This value represents the
number of routers the data can traverse before it is no longer
passed on. A value of 1 specifies the multicast data stays within
the subnet. A value of 2 means that a computer on a subnet
which only has one router between it and the system will be able
to play the stream.
❑
Audio Port —This is a fixed port. This may be changed by your
network manager if a user needs to go through the firewall.
❑
Video Port —This is a fixed port. This may be changed by your
network manager if a user needs to go through the firewall.
❑
Allow Streaming
—When this option is enabled, the icon on the
main screen of the user interface changes from Telephone to
Call Type
. Click Call Type to access the Streaming Call screen.
In the Streaming Call screen, you can set a Meeting Password.
Click the Start icon to start streaming.
❑
Enable Streaming Announcement
—When this option is
enabled, the names of users logged on to your system are
displayed on screen.
❑
Restore Defaults —Selecting this option restores the Speed, IP
Multicast Address, Number of Router Hops, Audio Port , and
Video Port defaults.
To start streaming:
1. Go back to the main screen and select Call Type.
2.
Select Streaming Call.
3. Enter a Meeting Password, if needed
4. Select Start.