SIP and ISDN use different response messages to communicate why a call failed or could not be connected (Q.850 for ISDN and SIP Responses for SIP). By default, the Sonus SBC 1000/2000 system uses RFC 3398 to map these to each other. Override Tables allow one to override one or more of these mappings to a different message, which is useful for interoperating with nonstandard equipment. To use a table created here, select it from the Q850 to SIP Override Tables field in a Managing SIP Signaling Groups entry.
Working with Q850 to SIP Override Tables
- In the WebUI, click the Settings tab.
- In the left navigation pane, go to Telephony Mapping Tables > Q.850 to SIP Override Tables.
To view a table's properties:
- Click the pop-up icon (
) next to the entry you want to view. - When you are finished, close the window.
To modify a Q.850 to SIP Override Table:
- Click the expand (
) Icon next to the entry you wish to modify. - Modify the table's Description as desired
- Click OK.
To create a Q.850 to SIP Override Table:
- Click the Create (
) icon. - Enter a descriptive name in the Description text field.
- Click OK.
To delete an entry, select the checkbox next to the entry and then click the Delete (
) icon.
Overview
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