Cisco Cisco Expressway Maintenance Manual
Configuring Bandwidth Controls
The Bandwidth configuration page (Configuration > Bandwidth > Configuration) is used to specify how the
Expressway behaves in situations when it receives a call with no bandwidth specified, and when it receives a call
that requests more bandwidth than is currently available.
Expressway behaves in situations when it receives a call with no bandwidth specified, and when it receives a call
that requests more bandwidth than is currently available.
The configurable options are:
Field
Description
Usage tips
Default call
bandwidth
(kbps)
bandwidth
(kbps)
The bandwidth to use for calls for which no bandwidth value
has been specified by the system that initiated the call.
has been specified by the system that initiated the call.
It also defines the minimum bandwidth to use on SIP to H.323
interworked calls.
interworked calls.
This value cannot be blank. The default value is 384kbps.
Usually, when a call is initiated
the endpoint will include in the
request the amount of bandwidth
it wants to use.
the endpoint will include in the
request the amount of bandwidth
it wants to use.
Downspeed
per call mode
per call mode
Determines what happens if the per-call bandwidth
restrictions on a subzone or pipe mean that there is
insufficient bandwidth available to place a call at the
requested rate.
restrictions on a subzone or pipe mean that there is
insufficient bandwidth available to place a call at the
requested rate.
On: the call will be downspeeded.
Off: the call will not be placed.
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Cisco Expressway Administrator Guide
Bandwidth Control