AudioCodes Mediant 500 E-SBC User Manual page 334

Enterprise session border controller digital voip media gateway
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Notes:
The CAS state machine can only be configured using the Web-based
management tool.
Don't modify the default values unless you fully understand the implications of the
changes and know the default values. Every change affects the configuration of
the state machine parameters and the call process related to the trunk you are
using with this state machine.
You can modify CAS state machine parameters only if the following conditions are
met:
1) Trunks are inactive (stopped), i.e., the 'Related Trunks' field displays the trunk
number in green.
2) State machine is not in use or is in reset, or when it is not related to any trunk. If
it is related to a trunk, you must delete the trunk or de-activate (Stop) the trunk.
Field values displaying '-1' indicate CAS default values. In other words, CAS state
machine values are used.
The modification of the CAS state machine occurs at the CAS application
initialization only for non-default values (-1).
For more information on the CAS Protocol table, refer to the CAS Protocol Table
Configuration Note.
Table 21-1: CAS State Machine Parameters Description
Parameter
Generate Digit On Time
[CasStateMachineGenerateDigitOnTi
me]
Generate Inter Digit Time
[CasStateMachineGenerateInterDigit
Time]
DTMF Max Detection Time
[CasStateMachineDTMFMaxOnDetect
ionTime]
DTMF Min Detection Time
[CasStateMachineDTMFMinOnDetect
ionTime]
MAX Incoming Address Digits
[CasStateMachineMaxNumOfIncomin
gAddressDigits]
MAX Incoming ANI Digits
[CasStateMachineMaxNumOfIncomin
gANIDigits]
Collet ANI
User's Manual
Description
Generates digit on-time (in msec).
The value must be a positive value. The default is -1 (use
value from CAS state machine).
Generates digit off-time (in msec).
The value must be a positive value. The default is -1 (use
value from CAS state machine).
Detects digit maximum on time (according to DSP
detection information event) in msec units.
The value must be a positive value. The default is -1 (use
value from CAS state machine).
Detects digit minimum on time (according to DSP detection
information event) in msec units. The digit time length must
be longer than this value to receive a detection. Any
number may be used, but the value must be less than
CasStateMachineDTMFMaxOnDetectionTime.
The value must be a positive value. The default is -1 (use
value from CAS state machine).
Defines the limitation for the maximum address digits that
need to be collected. After reaching this number of digits,
the collection of address digits is stopped.
The value must be an integer. The default is -1 (use value
from CAS state machine).
Defines the limitation for the maximum ANI digits that need
to be collected. After reaching this number of digits, the
collection of ANI digits is stopped.
The value must be an integer. The default is -1 (use value
from CAS state machine).
In some cases, when the state machine handles the ANI
334
Mediant 500 E-SBC
Document #: LTRT-10427

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