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This article describes the steps necessary to configure the 

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so that a call may be placed from a SIP phone through the 
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to an ISDN endpoint as depicted by the following call flow:

Topology

On this page:

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 Configuration

SIP Local Registrar Table Configuration

  1. In the WebUI, click the Settings tab.

  2. In the left navigation pane, go to SIP > Local Registrars

  3. Add a new SIP Local Registrar.

Transformation Table Configuration

  1. In the WebUI, click the Settings tab.

  2. In the left navigation pane, go to Transformation

  3. Add a new Transformation Table.

  4. Add two entries to the new Transformation Table configured as follows:


    Transformation Table Configuration

    Input Field TypeInput field ValueOutput Field TypeOutput Field ValueMatch TypeDescription
    Called Address Number.*6(\d{3})$Called Address/Number6/1MandatoryLyncSetup: Full Number
    Calling Address Number(.*)Calling Address/Number\1MandatoryLyncSetup: Full Number

Call Routing Table Configuration

  1. In the WebUI, click the Settings tab.

  2. In the left navigation pane, go to Call Routing Table.

  3. Add a new Call Routing Table.

  4. Add an entry to the new Call Routing Table and configure with the values below; keep the fields not listed as the default values.


    Call Routing Table Configuration

    FieldValue
    Number/Name Translation Table Select appropriate Translation Table (i.e., Calls to ISDN phones)
    Destination Signaling GroupSelect appropriate Signaling Group (i.e., ISDN:Lync Setup)

SIP Signaling Group Configuration

  1. In the WebUI, click the Settings tab.

  2. In the left navigation pane, go to Signaling Groups.

  3. Add a new SIP Signaling Group and configure it with the values below; keep the fields not listed as the default values.


    Call Routing Table Configuration

    FieldValue
    SIP ModeLocal Registrar
    RegistrarSIP Phones

ISDN Port Configuration

  1. In the WebUI, click the Settings tab.

  2. In the left navigation pane, go to Node Interfaces > Ports.

  3. Click the port you wish to configure.

  4. Configure the port with the values listed below; keep the keep the fields not listed as the default values.


    Call Routing Table Configuration

    FieldValue
    Port AliasSpecifies an alias for the port (i.e., T1 to Meridian)
    DescriptionSpecifies the description  (i.e., T1 to Meridian)

ISDN Signaling Group Configuration

  1. In the WebUI, click the Settings tab.

  2. In the left navigation pane, go to Signaling Groups.

  3. Add a new ISDN Signaling Group.

  4. Configure the new ISDN Signaling Group with the values listed below; keep the fields not listed as the default values.


    Call Routing Table Configuration

    FieldValue
    DescriptionDescription of Signaling Group
    Switch VariantQSIG
    Tone TableDefault Tone Table
    Call Routing TableSelect appropriate Call Routing Table

Verification

Endpoint Registration:

When the endpoint registers, the registration request arrives to the 

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through the SIP signaling group, the 
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responds to the REGISTRATION request with a 200 OK – a successful SIP endpoint registration occurs.

Using the Log Exchange utility, you can quickly verify the relevant SIP messaging:


Verify SIP Messaging

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