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Perform the steps below to configure the SBC for the interconnection scenario.

Use the SBC web interface and search for the objects below to help with navigation.

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 In the Media Profile section, create a Fax Media Profile as shown below:for T.30. Refer to Managing Media Profiles.

Fax Media List

Create a dedicated Fax Media List with the following codecs in the order shown below, this allows the fax to that includes Default G711A and T.39 for Media Profiles. These are used negotiate the T.38 during connection:

. Refer to Managing Media Lists.

SIP Registrar Table

1. Create an SBC SIP Registrar table so the Tenor can register each of its analog ports as a SIP User Agent into the SBC.
2. Enter as many number of Users as expected analog ports to be registered:

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1. . Refer to Creating and Modifying SIP Local Registrars.
   

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Tenor Call Routing Table

Create a Call Routing Table for Tenor, as shown belowto route a fax call from Tenor to PSTN through the SBC Edge. For details, refer to Creating and Modifying Entries to Call Routing Tables.

Tenor Tenor Signaling Group

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1. Create the Tenor SIP Signaling Group which allows the SBC to send and receive SIP calls to/from the Tenor with the following parameters (created previously).
2. Verify that the values in the Port and Protocol fields in the Listen Ports panel configured for the Tenor are the same when configuring the

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Tenor

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Tenor Transformation Table

Create a dedicated transformation table to be able to receive a fax on the SBC 1000 and forward it to the Tenor, depending on the fax numbers to be routed from the SBC to Tenor.

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For

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details,

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refer to Creating and Modifying Entries to Transformation Tables.

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PSTN Incoming Call Routing Table entry table adaptation

Adapt the existing Call Routing Table “From PSTN to Tenor” to insert a call routing entry to evaluate if incoming call is toward a fax number (see previously created Transformation Table) and route it to the Tenor Signaling Group:

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Tenor Configuration Manager

1. Select the Advanced Explore tab to access all parameters.

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2. Select Confirm/OK after making changes.
3. Select the "red star button" to apply changes to the Tenor:

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On the Advanced tab, make sure the protocol matches the one configured previously in the Tenor Signaling Group:

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DN Channel Map

On the DN Channel Map menu, enter the associated number and associate it with the previously created User Agent for each analog port:

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Codec Profile

Verify the default codec profile is configured with the previously created codec:

IP Routing Group

Verify the fax section of the IP Routing Group menu is configured as shown below, and matches what was created on the SBC for the T.38 codec:

Gateway - Routing Table Mode 

1. Select the Advanced Explore tab.
2. Expand VoIP Configuration.
3. Select Gateway.

4. Check the Use Routing Table checkbox, if it is not already checked.

   Note
   The system will ask for a backup and reboot if this is the first time the Routing Table mode is activated.

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These tables only look for and can adapt the called number in the above example, but you can also adapt the calling number.pagebreak