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Overview — Configure the

...

Spacevars
0 product

 for On-Premise PBX Integration With Skype

...

for Business

This Best Practice describes how to configure the Sonus SBC for

Spacevars
0 product

 for On-Premise (OnPrem) PBX integration with Skype For Business (SFBSfB) when the Skype for Business Front End Pool is configured in Trusted Application mode. You must be familiar with configuring Sonus SBC

Spacevars
0 product

, MSFT Active Directory, DNS, and Skype For Business in order to perform these steps.

Configuration Steps

Configuration for this feature involves specific settings in the following entities:

• DNS Server for creating an alias with SBC

  Spacevars
  0 product

  's FQDN.
• Skype for Business Management Shell to create a Trusted Application Pool and a Trusted Application ID.
• Active Directory to create users in Domain Controller for the OnPrem endpoints, and the Skype for Business Control Panel to enable relevant AD users for SFBSfB.
• SBC to configure Configure all remaining settings for SFB integration.

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Configure the DNS Server

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Configuring the DNS Server Configuring the DNS Server

Login to DNS using domain admin credentials and create an alias for SBC:

Spacevars
0 product

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Caption 0 Figure 1 Create an Alias Image Modified

Configure the

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SfB Management Shell

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Configuring the SFB Manager Configuring the SFB Manager

1. Login to the Skype For for Business Front End Server.
2. Launch Skype For for Business Server management shell.
3. Type the following commands to create a Trusted Application Pool and Trusted Application ID:

...

Type the following command to enable CS Topology so that above configuration items can take effect in SFB SfB topology:

Enable-CsTopology

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Caption 0 Figure 1 Commands and Output Image Modified

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Configure the Active Directory and the

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SfB Control Panel

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Configuring the AD and the SFB Control Panel Configuring the AD and the SFB Control Panel

1. Login to the Active Directory domain controller machine with domain admin credentials.
2. Create AD users.
3. Login to the Skype For for Business front-end server.
4. Launch the SFB SfB Control Panel.
5. Enable AD users to be enterprise-enabled SFB SfB users on SFB on SfB Control Panel:

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Caption 0 Figure 1 Enable AD Users Image Modified

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Configure

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the 

Spacevars
0 product

 

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Configuring the SBC Configuring the SBC

Configure

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the 

Spacevars
0 product

 Host Name, Domain Suffix, and DNS IP Address

1.  Login to the SBC WebUI

   Spacevars
   0 product

    WebUI and navigate to Node Level Settings.
2. Configure the SBC host

   Spacevars
   0 product

    host name, domain suffix, and the DNS IP address:

...

 

Verifying Certificates on the 

Spacevars
0

...

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product

1. Login to the

   Spacevars
   0 product

    WebUI

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Verifying Certificates on the SBC

1. Login to the SBC WebUI and navigate to Security > SBC Certificates.
2. Verify that the Trusted CA Certificate and Sonus Ribbon Certificates are installed:

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0	Figure
1	Certificates

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1. .

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Info
The following section describes SBC's Spacevars 0 product analog FXS endpoints with Skype For for Business in this setup: Caption 0 Figure 1 Network Diagram: SBC Analog FXS Endpoints With Skype for Business Image Modified

Determining Configuration Based on Inter-Op Mode

 After completing the basic configuration on the SBC, the SBC can the 

Spacevars
0 product

, the 

Spacevars
0 product

 can be further integrated in one of three different modes. Click the link that applies to your integration:

1. o365 with Contact Registrant Table (CRT)
2. o365 with AD
3. o365 with CRT and AD

o365 with CRT

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o365 with CRT o365 with CRT

Note
This section assumes that projected OnPrem users are SBC Spacevars 0 product 's FXS endpoints, and that the goal is to associate these endpoints with SBC Spacevars 0 product 's Contact Registrant Table and register them with Skype For Business via SBCfor Business through the Spacevars 0 product .

Creating Contact Registrant Table Entries

Create entries for OnPrem users (in this example they are associated to FXS endpoints). These entries must match with the Skype For for Business users' SIP and tel: URI values. 

1. Login to the SBC WebUI

   Spacevars
   0 product

    WebUI and navigate to SIP > Contact Registrant Table.
2. Create a new table.
3. Create Contact Registrant Table entries as shown below. Make sure that highlighted values are correspondingly entered . Ensure the Address of Record URI and SIP Contacts correspond to the entries with the SIP and tel: URI values in SFB database.

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...

Note
The user name, number, and URI association in the CRT must match the corresponding entries in the SFB SfB Control Panel:   Image Removed

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Creating a CAS FXS Profile

1.  Login to the SBC WebUI the 

   Spacevars
   0 product

    WebUI and navigate to CAS >CAS Signaling Profiles.
2. Create an FXS profile with configuration as shown below:

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Caption 0 Figure 1 Creating a CAS FXS Profile Image Modified

  

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Creating an FXS to

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SfB Transformation Table

1.  Login to the SBC WebUI the 

   Spacevars
   0 product

    WebUI and navigate to Transformation.
2. Create a Transformation Table with a desired number transformation entry as shown below.

...

1. . For example: a transformation table entry that will translate the 11-digit 15101221201 called number from FXS endpoints to +15101221201.

...

0	Figure
1	Transformation Table

...

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Creating an FXS to

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SfB Call Routing Table

1. Login to the SBC WebUI and the 

   Spacevars
   0 product

    WebUI and navigate to Call Routing Table.
2. Create a table as shown belowroute between an FXS to SfB.  For details on call routing, refer to Creating and Modifying Entries to Call Routing Tables.

Note
This Route Table entry will use the above transformation table entry and route this call to SIP Signaling group.
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0 Figure 1 Call Routing Table
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Creating a CAS FXS Signaling Group

1. Login to the SBC WebUI

   Spacevars
   0 product

    WebUI and navigate to Signaling Groups.
2. Create a CAS FXS Signaling Group by applying the above call route and fxs profile as shown belowFXS profile. For details on Signaling Groups, refer to Creating and Modifying SIP Signaling Groups.

Note
In this For example, in a Signaling Group, 4-digit numbers are defined in association of the OnPrem user's tel: URI numbers. For simplicity, 4-digit extensions of the tel: URI is used, such as 1201 for tel:+15101221201.

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Creating an

...

Spacevars
0

...

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product

 to FXS Transformation Table

1. Login to the 

   Spacevars
   0 product

    WebUI and navigate to Transformation.
2. Create

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Creating an SBC to FXS Transformation Table

1. Login to the SBC WebUI and navigate to Transformation.
2. Create a Transformation Table with a desired number transformation entry as shown below.

0

Note
This For example, a transformation table entry will translate tel: URI number +15101221201 called number from SBC Spacevars 0 product to a 4-digit extension number that was used in CAS signaling group numbers such as 120.
Caption
	Figure	1

Creating an

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SfB to FXS

...

Span

...

Call Routing Table

1.  Login to the SBC WebUI

   Spacevars
   0 product

    WebUI and navigate to Call Routing Table.
2. Create a table as shown belowCall  Routing Table that includes the Number/Name Translation Table created above.

1

Note
This Route Table entry will use the preceding transformation table entry and route this call to FXS Signaling group.
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0	Figure

Creating

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a Mediation Crypto Profile

1.  Login to the SBC WebUI the 

   Spacevars
   0 product

    WebUI and navigate to Media > Media Crypto Profiles.
2. Create a Mediation Crypto profile as shown below.

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0 Figure 1 Creating a Media Crypto Profile
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...

1. . For details, refer to Managing SDES-SRTP Profiles.

Creating a Mediation List

1.  Login to the SBC WebUI

   Spacevars
   0 product

    WebUI and navigate to Media > Media List.
2. Create a Mediation List as shown below. Make sure Ensure to apply the Crypto Profile because it is needed by SFB calls.

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Creating a

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SIP Signaling Profile

1. Login to the SBC WebUI the 

   Spacevars
   0 product

    WebUI and navigate to SIP > SIP Profiles.
2. Create a SIP Profile as shown below.

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0 Figure 1 Creating a SIP Signaling Profile
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...

1. . For details, refer to Creating and Modifying SIP Profiles.

 Creating a SIP Server Table

1.  Login to the SBC WebUI the 

   Spacevars
   0 product

    WebUI and navigate to SIP > SIP Server Tables. Refer to Creating and Modifying Entries in SIP Server Tables.
2. Create a SIP Server TableCreate a SIP Server Table as shown below.

Note
The earlier Contact Registrant Table is applied to the Server Table. This will allow CRT entries to register with Skype For Business.

Caption
0 Figure 1 Creating a SIP Server Table
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Creating a SIP Signaling Group

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1. Apply the previously created SIP Profile, Media List, Call Routing Table, and SIP Server Table entries to this Signaling Group. In addition, set the inter-op mode as Office 365, and ensure that the Office 365 FQDN matches the dns suffix used in

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1. SfB user's profile.

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...

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o365 with AD

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o365 with AD o365 with AD

Note
This section assumes that projected OnPrem users are SBC Spacevars 0 product 's FXS endpoints and the goal is associate them with Active Directory users and to register them with Skype For Business via SBCfor Business through the Spacevars 0 product .

Creating a CAS FXS Profile

1. Login to the SBC WebUI the 

   Spacevars
   0 product

    WebUI and navigate to CAS >CAS Signaling Profiles.
2. Create an FXS profile as shown below.

Caption
0 Figure 1 Creating a CAS FXS Profile
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1. . Refer to Creating and Modifying CAS Signaling Groups.

Creating an FXS to

...

SfB Transformation Table

1. Login to the SBC WebUI and the 

   Spacevars
   0 product

   C WebUI and navigate to Transformation.
2. Create a Transformation Table with a desired number transformation entry as shown below.

...

1. . For example, a transformation table entry

...

1. can translate 11 digit 15101221201 called number from FXS endpoints to +15101221201.

...

Creating an FXS to

...

SfB Call Routing Table

...

1. Login to 

   ...

   Spacevars

...

 

1. 0 product

    WebUI

Creating an FXS to SFB Call Routing Table

1. Login to SBC WebUI and navigate to Call Routing Table.
2. Create a table as shown belowrouting table. Ensure the Number/Name Tranformation Table created in the earlier step is added.

1

Note
This Route Table entry will use the preceding transformation table entry and route this call to SIP Signaling group.
Caption
0	Figure

Creating an FXS

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Signaling Group

1. Login to the 

   Spacevars
   0 product

    WebUI

...

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Span

Creating an FXS Signaling Group

1. Login to the SBC WebUI and navigate to Signaling Groups.
2. Create a CAS FXS Signaling Group by applying the above call route and FXS profile as shown below.

caption

Note
In this For example, in the Signaling Group, 4 digit numbers are can be defined in association with the OnPrem user's tel: URI numbers. For the simplicity, 4 digit extensions of the tel: URI is used such as, 1201 for tel:+15101221201.

Creating an

Spacevars
0

...

Image Removed

Span

...

product

 to FXS Transformation Table

1.  Login to the SBC WebUI the 

   Spacevars
   0 product

    WebUI and navigate to Transformation.
2. Create a Transformation Table with a desired number transformation entry as shown below.

...

1. . For example, this transformation table entry

...

1. can translate tel: URI number +15101221201 called number from

...

1. the

   Spacevars
   0 product

   to a 4-digit extension number that was used in CAS signaling group numbers such as 1201.

Caption
0 Figure 1 Creating an SBC to FXS Transformation Table
Image Removed

Span

...

Creating an SfB to FXS Call Routing Table

1.  Login to the SBC WebUI the 

   Spacevars
   0 product

    WebUI and navigate to Call Routing Table.
2. Create a call routing table as shown below. Ensure the Number/Name Translation Table created previously is selected.

Note
This Routing Table entry will use the preceding transformation table entry and route this call to FXS Signaling group.

Caption
0 Figure 1 Creating an SFB to FXS Call Routing Table
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Span

Creating a Mediation Crypto Profile

Creating a Mediation Crypto Profile

1.  Login to the 

   Spacevars
   0 product

    WebUI  Login to the SBC WebUI and navigate to Media > Media Crypto Profiles.
2. Create a Mediation Crypto Profile as shown below:

 

Caption
0 Figure 1 OnPrem: Mediation Crypto
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Span

1. .

 Creating a Mediation List

1.  Login to the SBC WebUI the 

   Spacevars
   0 product

    WebUI and navigate to Media > Media List.
2. Create a Mediation List as shown below. Make sure to apply the Crypto Profile because it is needed by SFB SfB calls.

Caption
0 Figure 1 Creating a Mediation List
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...

Creating a SIP Signaling Profile

1.  Login to the SBC WebUI the 

   Spacevars
   0 product

    WebUI and navigate to SIP > SIP Profiles.
2. Create a SIP Profile as shown below.

...

1. . Refer to Creating and Modifying SIP Profiles.

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Creating a SIP

...

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Server Table

1. Login to the 

   Spacevars
   0 product

    WebUI

Span

Creating a SIP Server Table

1. Login to the SBC WebUI and navigate to SIP > SIP Server Tables.
2. Create a SIP Server Table as shown below. Refer to Creating and Modifying Entries in SIP Server Tables.

1

Note
The existing Contact Registrant Table is applied to the Server Table. This will allow CRT entries to register with Skype For for Business.
Caption
0	Figure
	Creating a SIP Server Table
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Domain Controller and Active Directory

 If inter-op Mode is planned to be used as o365 w/AD PBX, the following configuration pieces must be completed:

1. Domain Controller with relevant search scope for the OnPrem Users.
2. Active Directory Configuration with relevant user attributes.

 

Caption
0 Figure 1 Domain Controller and Active Directory
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Note
Two types of domain controllers are required: Call Route and On Premises. Call Route. Supplies call routing information. On Premises. Notifies AD that it will be looking up On Premise; this enables the user to enter data to narrow the search scope, and allows the proper user records to be retrieved quickly from the AD server.

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In this case, we use the pager attribute is used  to query and to register the user with it. Make sure to have Ensure the AD user created with the pager attribute as shown below:

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Caption 0 Figure 1 Pager Attribute set Image Modified

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Creating a SIP Signaling Group

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Note that previously created SIP Profile, Media List, Call Routing Table, and the SIP Server Table entries are applied to this Signaling Group. In addition, the inter-op mode is set as Office 365 w/AD PBX, AD Attribute as pager, and the Office 365 FQDN is matching with the dns suffix that is used in SFB user's

...

Caption
0 Figure 1 Creating a SIP Signaling Group
Image Removed

Span profile.

o365 with CRT and AD

Anchor
o365 with CRT and AD o365 with CRT and AD

Note
This section assumes that candidate OnPrem users are SBCthe Spacevars 0 product 's FXS endpoints. The goal is to associate some of them with SBCthe Spacevars 0 product 's Contact Registrant Table, others with the Active Directory users, and then register them with Skype For for Business via SBC Spacevars 0 product .

Creating Contact Registrant Table Entries

Create entries for OnPrem users (in this example they are associated with FXS endpoints) that must match with the Skype For for Business users' SIP and tel: URI values.

1.  Login to the SBC WebUI the 

   Spacevars
   0 product

    WebUI and navigate to SIP > Contact Registrant Table.
2. Create a new table.
3. Create the relevant Contact Registrant Table Entries as shown below; make sure that highlighted values are accordingly entered with . Ensure the Address of Record URI and SIP Contacts match the SIP and tel: URI values in SFB database.

 

Caption
0 Figure 1 Creating Contact Registrant Table Entries
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Span

Creating a CAS FXS Profile

1.  Login to the 

   Spacevars
   0 product

    WebUI

Note
The sequence and user name, number, and URI association should be similar to the following: Image Removed

Span

Creating a CAS FXS Profile

1.  Login to the SBC WebUI and navigate to CAS >CAS Signaling Profiles.
2. Create an FXS profile as shown below.

 

Caption
0 Figure 1 Creating a CAS FXS Profile
Image Removed

 

Span

1. . Refer to Creating and Modifying CAS Signaling Groups.

Creating an FXS to

...

SfB Transformation

...

Table 

1. Login to the SBC WebUI the 

   Spacevars
   0 product

    WebUI and navigate to Transformation.
2. Create a Transformation Table with a desired number transformation entry as shown below.

 

Note
This For example, the transformation table entry will can translate an 11 digit 15101221201 called number from FXS endpoints to +15101221201.

 

1

Caption
0	Figure

Creating an FXS to

...

SfB Call Routing Table

...

1. Login to 

   ...

   Spacevars

...

1. 0

...

 

...

1. product

    WebUI and navigate to Call Routing Table

...

1. .
2. Create a Call Routing Table. Refer to Creating and Modifying Entries Login to SBC WebUI and navigate to Call Routing Table.Create a table as shown belowTables.

 

Note
This Route Table entry will use the preceding transformation table entry and route this call to SIP Signaling group.

 

...

Creating an FXS

...

Signaling Group

1. Login to the 

   Spacevars
   0 product

    WebUI

...

Image Removed

 

Span

Creating an FXS Signaling Group

1. Login to the SBC WebUI and navigate to Signaling Groups.
2. Create a CAS FXS Signaling Group by applying the above call route and FXS profile as shown below.

Figure

Note
In For example, in this Signaling Group, 4 digit numbers are can be defined in association with the OnPrem user's tel: URI numbers. For the simplicity, 4 digit extensions of the tel: URI is used such as, 1201 for tel:+15101221201.
Caption
0		1

Creating an

...

...

Spacevars

...

0

...

 

...

product

 to FXS Transformation Table

1.  Login to the SBC WebUI the 

   Spacevars
   0 product

    WebUI and navigate to Transformation.
2. Create a Transformation Table with a desired number transformation entry as shown below.

Note
This For example, this transformation table entry will translate cantranslate tel: URI number +15101221201 called number from SBC to 4 the Spacevars 0 product to a 4-digit extension number that was used in CAS signaling group numbers such as 1201.

Caption
0 Figure 1 Creating an SBC to FXS Transformation Table
Image Removed

...

signaling group numbers such as 1201.

Creating an

...

SfB to FXS Call Routing Table

1.  Login to the SBC WebUI the 

   Spacevars
   0 product

    WebUI and navigate to Call Routing Table.
2. Create a call routing table as shown below.

Note
This Routing Table entry will use the preceding transformation table entry and route this call to FXS Signaling group.

Caption
0 Figure 1 Creating an SFB to FXS Call Routing Table
Image Removed

Span

Creating a Mediation Crypto Profile

Creating a Mediation Crypto Profile

1. Login to the 

   Spacevars
   0 product

    WebUI  Login to the SBC WebUI and navigate to Media > Media Crypto Profiles.
2. Create a Mediation Crypto Profile as shown below:

Caption
0 Figure 1 OnPrem: Mediation Crypto
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1. . For details, refer to Creating and Modifying SDES-SRTP Profiles.

Creating a Mediation List

1.  Login to the SBC WebUI the 

   Spacevars
   0 product

    WebUI and navigate to Media > Media List.
2. Create a Mediation List as shown belowList. Make sure to apply the Crypto Profile because it is needed by SFB SfB calls.

Caption
0 Figure 1 Creating a Mediation List
Image Removed

...

Creating a SIP Signaling Profile

1.  Login to the SBC WebUI the 

   Spacevars
   0 product

    WebUI and navigate to SIP > SIP Profiles.
2. Create a SIP Profile as shown below.

...

Creating a SIP

...

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Server Table

1. Login to the 

   Spacevars
   0 product

    WebUI

Span

Creating a SIP Server Table

1. Login to the SBC WebUI and navigate to SIP > SIP Server Tables.
2. Create a SIP Server Table as shown below.

Note
The existing Contact Registrant Table is applied to the Server Table. This will allow CRT entries to register with Skype For for Business.

Caption
0 Figure 1 Creating a SIP Server Table
Image Removed

Span

...

Domain Controller and AD

If inter-op Mode will be used as o365 with AD PBX, the following configuration steps must be completed.

1. Domain Controller with relevant search scope for the OnPrem users.
2. Active Directory Configuration with relevant user attributes.

Caption
0 Figure 1 Search Scope and Relevant AD Attributes
Image Removed

...

1. the OnPrem users.
2. Active Directory Configuration with relevant user attributes.
   
   

In this case, the pager attribute is used to query and register the user. Make sure to have the AD user created with the pager attribute as shown below:

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Caption 0 Figure 1 Pager Attribute  Image Modified

...

 

...

Configuring a SIP Signaling Group

Note
Note that previously created SIP Profile, Media List, Call Routing Table, and the SIP Server Table entries are applied to this Signaling Group. In addition, the inter-op mode is set as Office 365 w/AD PBX, AD Attribute as pager, and the Office 365 FQDN is matching with the dns suffix that is used in SFB SfB user's profile.

 

Signaling Group is configured with interop mode as Office 365 w/AD PBX and AD attribute as pager (for this exercise).

...

...

0	Figure
1	Creating a SIP Signaling Group

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Enabling ICE Support for MS

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SfB EDGE Server Integration

If the Skype For for Business Front End Pool is integrated with an EDGE Server, SBC must an EDGE Server, the 

Spacevars
0 product

 must be configured with the following settings to support calls to/from SFB SfB clients behind the EDGE Server:

1. Remote Authorization Table Entry with the Realm of SFBSfB's domain suffix, a valid domain user, and its credentials as shown below.
2. SIP Server Table with the FQDN of the EDGE Server, Port 5062, protocol as TLS, the TLS profile that is used for SFB SfB Front End Pool integration, and the Remote Authorization Table entry that is created in the previous step as shown below.
   
3. Node Level SIP Settings that is configured with the EDGE SIP Server table (from the previous step) as EDGE Server Destination settings as shown below.
4. Front End Pool SIP Signaling Group configured with ICE Support settings as enabled as shown below:

 

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1. .

 

...

 

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