Version 5.2 193 September 2007
SIP User's Manual 5. Web-based Management
2. Ensure that the trunk is inactive. The trunk number displayed in the 'Related Trunks'
field must be green. If it is red (indicating that the trunk is active), click the trunk
number to open the 'Trunk Settings' screen (refer to 'Trunk Settings' on page 178),
select the required Trunk number icon, and then click Stop Trunk.
3. In the 'CAS State Machine Table' screen, modify the required parameters according to
the table below.
4. Activate the trunk if required in the 'Trunk Settings' screen by clicking the trunk
number in the 'Related Trunks' field, and in the 'Trunk Settings' screen (refer to 'Trunk
Settings' on page 178), select the required Trunk number icon, and then click Apply
Trunk Settings.
5. Click Submit.
6. Reset the gateway and save your settings to the flash memory (refer to 'Resetting the
Gateway' on page 257).
Notes:
• It's strongly recommended that you 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 only modify CAS state machine parameters if the following
conditions are met:
1) Trunks are inactive (stopped), i.e., trunk number displayed in green in
the 'Related Trunks' field.
2) State machine is not in use or in reset, or when it is not related to any
trunk. In case 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 a detailed description of the CAS Protocol table, refer to the SIP
Series Reference Manual.
Table 5-38: CAS State Machine Parameters
Parameter Description
Generate Digit On Time
[CasStateMachineGenerateD
igitOnTime]
Generates digit on-time (in msec).
The value must be a positive value. The default value is -1.
Generate Inter Digit Time
[CasStateMachineGenerateIn
terDigitTime]
Generates digit off-time (in msec).
The value must be a positive value. The default value is -1.
DTMF Max Detection Time
[CasStateMachineDTMFMax
OnDetectionTime]
Detects digit maximum on time (according to DSP detection
information event) in msec units.
The value must be a positive value. The default value is -1.
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