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Each technology has the possibility to create and finish a phone call, which makes it clear that some SIP messages are translated to corresponding ISDN/ANALOG/GSM messages:

SIP MessageISDN MessageFXSFXOGSM
INVITESETUPGenerate Ring VoltageOFFHOOKATD
200 OKCONNECT--ATA/CONNECT
BYE/CANCELDISCONNECTUnobtainable ToneONHOOKATH

There are additional messages, that provide call progress information to the user (like a Rinback Tone). The translation of these messages between SIP and ISDN is handled via the Call Progress Table in beroFix. It can be found in the GUI under the menu point Preferences->Call Progress.

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When you click on "Add Table" you will see a pop-up which looks like:

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Here you can choose a name for this new table, which is later used as reference in the Dialplan. You've got also the option to create automatic entries for:

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After clicking Save, you will see the call progress table editor:

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Here you can add another table or add/modify/delete entries for each table. When you click on add/modify an entry, you will see the entry editor:

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Here you can define a entry to the call progress table. You can define the condition:

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