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Overview

The Quality of Experience (QoE) feature enables statistics reporting to a QoE Server in order to provide quality monitoring. The information collected helps administrators better understand the media quality that users experience. With QoE monitoring, the administrators can:-

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By introducing this feature to the SBC1000 and SBC2000, all IP legs of a call the SBC can now report QoE information. Currently, QoE statistics do not get reported on the SBC1000/2000 to SIP Carrier leg of a for the SIP Trunk Provider leg of the call. Statistics such as delay, jitter and packet loss will be reported for the SIP Trunk Leg. This will be a feature unique in the product space.

The SBC1000/2000 with ASM (QoE Agent Server Gateway) will use the SQL server to modify the data used by the Microsoft QoE Services for quality monitoring. The QoE Agent Client gateways (SBC with or without ASM) will notify the QoE Agent Server Gateway with QoE stats for each call in order to update the database of the QoE server. Exchange between QoE Agent Server Gateway and QoE Agent Client Gateway will be handle using SIP NOTIFY.

Prerequisites

• A Lync 2013 deployment with Monitoring Reports fully implemented.
• A Sonus SBC 1000 or SBC 2000 with an ASM.

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The goal of this step is to allow an AD group to access and add information inside the Monitoring Server database.

1. 1.Log on a computer of your domain with your MS Lync Database Administrator account.
2. Start Windows Powershell.
3. Update the Database SQL rights using the following commands:

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1. Connect to the Domain Controler through Remote Desktop (RDP) using your regular AD credentials.
2. Launch the Active Directory Users and Computers snap-in.
3. Browse down to Users object (on the left pane).
4. Right-click RTCComponentUniveralServices group and select Properties
5. Click ADD in the the Members tab.
6. In the popup, enter the ASM machine name.

7. Click Check Names.

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   Caption 0 Figure 1 Add to RTCComponentUniversalServices Group Image Modified

8. Click OK.
9. Click OK to close the properties screen.

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1. Connect to the Domain Controler through Remote Desktop (RDP) using your regular AD credentials.
2. Launch the Active Directory Users and Computers snap-in.
3. Browse down to Users object (on the left pane).
4. Right-click RTCUniversalReadOnlyAdmins group and select Properties
5. Click ADD in the the Members tab.
6. In the popup, enter the ASM machine name.

7. Click Check Names.

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   Caption 0 Figure 1 Add to RTCUniversalReadOnlyAdmins Group Image Modified

8. Click OK.
9. Click OK to close the properties screen.

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1. Configure the ASM IP Settings
2. Join the ASM to a Domain
3. Perform Step 1 (Prepare the SBA)   of the Deploying the SBA Best Practice article.
4. You need to accept the SIP NOTIFY traffic from the QoE Agent Client Gateway by creating or reusing a signaling group (see Creating and Modifying SIP Signaling Groups) to accept SIP traffic from Client. The listening port will be the port provide in the System tab of the QoE Agent Client Gateways. 
   
5. To configure the QoE service as a Server:
     
   1. In the WebUI, click the Settings tab.

   2. In the left navigation pane, go to System > QoE.

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      Caption 0 Figure 1 Configure QoE Service As Server Image Modified

   3. In the QoE Service panel, select Server from the QoE Agent Type list box.
   4. Click Apply.

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1. In the WebUI, click the Settings tab.

2. In the left navigation pane, go to System > QoE.

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   Caption 0 Figure 1 QoE Service Panel Image Modified

3. In the QoE Service panel:
   1. Select Client in the QoE Agent Type list box.
   2. Enter the FQDN or IP address of the QoE Agent Server gateway in the QoE Server Address text field.
   3. Enter the port number for the Sip Signaling Group in the QoE Agent Server Gateway Port text field.
   4. Select the transport protocol from the Protocol list box. If the transport protocol selected is TLS, make sure the QoE Server Address is FQDN (certificate common name is FQDN).
4. Click Apply.

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1. In the WebUI, click the Settings tab.

2. In the left navigation pane, go to System > Signaling Groups > your Lync signaling group.

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   Caption 0 Figure 1 Enable QoE Reporting Image Modified

3. In the SIP Channels and Routing Panel, select Enabled from the QoE Reporting list box.
4. Click Apply.

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1. In the WebUI, click the Settings tab.

2. In the left navigation pane, go to System > Media > Media List > your SIP Trunk Media List

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   Caption 0 Figure 1 Enable RTCP-XR Image Modified

3. Select RTCP-XR in the RTCP Mode list box
4. Click Apply.

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You can track the status of a QoE message sent from the client using the SIP Signaling Group counter.

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You can track the status of the QoE messages stored in the database by viewing the Operational Status page in the Application Solution Module section of the Tasks tab.

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