User's Manual 552 Document #: LTRT-10466
Mediant 500L MSBR
Parameter Description
Maximum Burst
CLI: max-burst
[SBCAdmissionControl_Ma
xBurst]
Defines the maximum number of tokens (SIP dialogs) that the bucket
can hold. The device only accepts a SIP dialog if a token exists in
the bucket. Once the SIP dialog is accepted, a token is removed
from the bucket. If a SIP dialog is received by the device and the
token bucket is empty, then the device rejects the SIP dialog.
Alternatively, if the bucket is full, for example, 100 tokens, and 101
SIP dialogs arrive (before another token is added to the bucket, i.e.,
faster than that defined in the Rate field), then the device accepts the
first 100 SIP dialogs and rejects the last one.
Dropped requests are replied with the SIP 480 "Temporarily
Unavailable" response. Dropped requests are not counted in the
bucket.
The default is 0 (i.e., unlimited SIP dialogs).
Note: The token bucket feature is per IP Group, SRD, SIP request
type, and SIP request direction.
Reservation
CLI: reservation
[SBCAdmissionControl_Res
ervation]
Defines the guaranteed (minimum) call capacity.
Notes:
An IP Group ID or SRD ID must be specified when this parameter
is configured and the IP Group or SRD cannot be set to all (-1).
Reserved call capacity is applicable only to INVITE and
SUBSCRIBE messages.
Reserved call capacity must be less than the maximum capacity
(limit) configured for the CAC rule.
The total reserved call capacity configured for all the CAC rules
must be within the device's total call capacity support.
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