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There is a subtle but very important difference in the UI between ISDN/BRI (Basic Rate Interface) Signaling Groups and ISDN/PRI (Primary Rate Interface) Signaling Groups. These differences appear in the Port and Protocol panels.
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Configuration Field | PRI (T1) | BRI |
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From the Create Signaling Group drop down box at the top of the Signaling Group Table, select ISDN Signaling Group.
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Specifies when to generate local ring back
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Specifies if service messaging is used on the signaling group. Only valid for ATT 4ESS, ATT 5ESS, NI2 and INS Sonus 1500 Switch Variants. |
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Specifies whether or not the Q.931 SETUP message is sent to the far-end should include the DISPLAY Information Element (IE). If this option is enabled, the DISPLAY IE is populated for NI2 or Euro-ISDN switch types, otherwise the DISPLAY IE is not populated for these switch types. In general, the DISPLAY IE is populated according to ISDN communication standards. The NI2 and Euro-ISDN specifications state that the DISPLAY IE should not be populated. This option allows you to override that configuration for your environment. |
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This configuration option enables the ISDN Signaling Group to add/configure a Progress IE to the outbound SETUP message if it is not present. Options are as follows:
Default entry: None. |
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Defines how PROCEEDING/PROGRESS/ALERT messages are treated for Early Media. Valid options: Enabled. The PI:2 (Destination not ISDN) value would be treated as if early media was received.in PROCEEDING/PROGRESS/ALERT messages. Disabled. The PI:2 (Destination not ISDN) value would be treated as if there were no early media received in PROCEEDING/PROGRESS/ALERT messages. |
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Specifies whether to include the Interface Identifier in the Channel Identification Information Element. |
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