Administrator’s Guide for Polycom HDX Systems
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4. Select and configure these settings:
5. Select to go to the Preferred Speeds screens and configure these
settings:
6. Select to go to the Call Speeds screen and specify the call speeds to
make available to users, if you are allowing them to choose speeds on a
call-by-call basis.
Setting Description
ISDN Video Calls
(H.320)
Determines the speeds that will be used for ISDN video calls
from this system when:
• Call Quality is set to Auto on the home screen and
Directory screen, or
• The Call Quality setting is not available for users.
If the far-site system does not support the selected speed, the
system automatically negotiates a lower speed.
International
ISDN Calls
Determines the speeds that will be used for International
ISDN video calls from this system when:
• Call Quality is set to Auto on the home screen and
Directory screen, or
• The Call Quality setting is not available for users.
If the far-site system does not support the selected speed, the
system automatically negotiates a lower speed.
ISDN Video Calls
(H.320)
Allows you to restrict the bandwidth used when receiving
calls. Specifies the maximum speed for receiving ISDN video
calls.
If the far site attempts to call the system at a higher speed
than selected here, the call is re-negotiated at the speed
specified in this field.
Setting Description
Preferred Speed
for Placing Calls
Determines the speeds that will be used for calls from this
system when:
• Call Quality is set to Auto on the home screen and
Directory screen, or
• The Call Quality setting is not available for users.
If the far-site system does not support the selected speed, the
system automatically negotiates a lower speed.
Maximum Speed
for Receiving
Calls
Allows you to restrict the bandwidth used when receiving
calls.
If the far site attempts to call the system at a higher speed
than selected here, the call is re-negotiated at the speed
specified in this field.
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