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Mediant 2000 SIP User’s Manual 5. Web Management
Version 4.4 67 July 2005
Table 5-7: Trunks Status Color Indicator Keys
Indicator Color Description
Gray Disabled
Green Active-OK
Yellow RAI Alarm
Red LOS Alarm
Blue AIS Alarm
Orange D-channel Alarm
(ISDN only)
3. To modify the selected trunk’s parameters, click the Stop Trunk button; the trunk is stopped,
the status of the parameter ‘Trunk Configuration State’ changes to ‘Non Active’, the
parameters are no longer grayed and can be modified and the Apply Trunk Settings button
appears at the bottom of the screen.
When all trunks are stopped, the Apply to all Trunks button also appears at the bottom of
the screen.
Note: If the trunk can’t be stopped because it provides the gateway’s clock
(assuming the Mediant 2000 is synchronized with the E1/T1 clock), assign a
different E1/T1 trunk to provide the gateway’s clock or enable ‘TDM Bus
PSTN Auto Clock’ on the TDM Bus Settings screen.
To assign a different E1/T1 trunk that provides the gateway’s clock, access
the ‘TDM Bus Setting’ screen and change the ‘TDM Bus Local Reference’
number to any other trunk number (this operation can be performed on-the-
fly).
4. Select the ‘Protocol Type’ you use. Note that different trunks can be defined with different
protocols (CAS or ISDN variants) on the same gateway (subject to the constraints in the
Mediant 2000 Release Notes).
Note: When modifying the ‘Protocol Type’ field, the menu is automatically updated
according to the selected protocol (ISDN, CAS or Transparent). Additional
parameters are appropriate to the selected protocol type.
5. Modify the relevant trunk configuration parameters according to your requirements.
6. To configure the different behavior bits: either enter the exact hexadecimal value of the bits
in the field to the right of the relevant behavior parameter, or directly configure each bit field
by completing the following steps:
Click the arrow button (-->) to the right of the relevant behavior parameter; a new
window appears.
Modify each bit field according to your requirements.
Click the Submit button to save your changes.