Avaya Solution & Interoperability Test Lab

Application Notes for Configuring Avaya Aura® Communication Manager R6.0.1 and Avaya Voice Portal R5.1 to interoperate with Sestek GVZ TTS - Issue 1.0

Abstract These Application Notes describe the configuration steps for Sestek GVZ TTS solution with Avaya Aura® Communication Manager and Avaya Voice Portal. Sestek GVZ TTS is a TTS engine which can be used to stream converted text into natural sounding speech. Information in these Application Notes has been obtained through DevConnect compliance testing and additional technical discussions. Testing was conducted via the DevConnect Program at the Avaya Solution and Interoperability Test Lab.

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1. Introduction The purpose of this document is to describe the compliance testing carried out using Avaya Aura® Communication Manager and Avaya Voice Portal with Sestek GVZ TTS Text-to-Speech Engine. It includes a description of the configuration of both the Avaya and the Sestek equipment, as well as a description of the tests that were performed and a summary of the results of those tests. The Sestek GVZ TTS provides the capability to vocalize text in an electronic environment in a clear and human-like way. It can be used in IVR systems, call centers, vocalizing web pages, avatar implementations, computer games, mobile phones, embedded systems, document vocalization, ATM and kiosk implementations and so on. Since it supports MRCP v1 and v2, it is applicable to various Avaya solutions.

2. General Test Approach and Test Results This section details the general approach to the testing, what was covered, and results of the testing.

2.1. Interoperability Compliance Testing Interoperability compliance testing focused on placing calls via Communication Manager to Voice Portal. Voice Portal hosted a test VoiceXML application that used GVZ TTS to provide speech to the caller. Turkish, Azeri and US English languages were all tested. In addition, serviceability and recovery from power or network failures were tested.

2.2. Test Results All tests passed successfully.

2.3. Support Technical support can be obtained for the Sestek GVZ TTS solution as follows:  Email: [email protected]  Website: www.sestek.com.tr  Phone: +90 (212) 286 25 45

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3. Reference Configuration Figure 1 illustrates the network topology used during compliance testing. The Avaya solution consists of an Avaya S8800 Server running Avaya Aura® Communication Manager with an Avaya G650 Media Gateway. An Avaya X3250 Common Server hosts the Avaya Voice Portal and Tomcat Application Server. H.323 stations configured on Avaya Aura® Communication Manager act as the interface between Avaya Aura® Communication Manager and Avaya Voice Portal. The GVZ TTS server is hosted on a Windows XP operating system. An application configured on Avaya Voice Portal, references both the Application Server and the GVZ TTS server resources.

Figure 1: Avaya Aura® Communication Manager with Avaya Voice Portal, Tomcat Application Server and Sestek GVZ TTS Server configuration

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4. Equipment and Software Validated The following equipment and software were used for the sample configuration as shown in Figure 1: Equipment Avaya Aura® S8800 Server Avaya Common Server X3250 Generic PC

Software Avaya Aura® Communication Manager R6.0.1 R16.00.1.510.1-19009 Avaya Voice Portal R5.1 Apache Tomcat 6.0.18b Microsoft Windows XP SP2 Sestek GVZ TTS MRCP Server 1.0 Sestek GVZ MRCP plugin 2.0 Sestek GVZ TTS SDK 7.0 Sestek Azeri, Turkish and US-English Languages.

5. Configure Avaya Aura® Communication Manager The configuration and verification operations illustrated in this section were all performed using Avaya Aura® Communication Manager System Administration Terminal (SAT). The information provided in this section describes the configuration of Avaya Aura® Communication Manager for this solution. For all other provisioning information such as initial installation and configuration, please refer to the product documentation. The configuration operations described in this section can be summarized as follows:  Verify System Parameters Features  Configure H.323 Stations  Configure Hunt Group  Confirm Gatekeeper Address

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5.1. Verify System Parameters Features Enter the command change system-parameters features and navigate to Page 5. Set Create Universal Call ID (UCID) ? to y. change system-parameters features FEATURE-RELATED SYSTEM PARAMETERS

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SYSTEM PRINTER PARAMETERS Endpoint: Lines Per Page: 60 SYSTEM-WIDE PARAMETERS Switch Name: Emergency Extension Forwarding (min): Enable Inter-Gateway Alternate Routing? Enable Dial Plan Transparency in Survivable Mode? COR to Use for DPT:

10 n n station

MALICIOUS CALL TRACE PARAMETERS Apply MCT Warning Tone? n MCT Voice Recorder Trunk Group: Delay Sending RELease (seconds): 0 SEND ALL CALLS OPTIONS Send All Calls Applies to: station Auto Inspect on Send All Calls? n Preserve previous AUX Work button states after deactivation? n UNIVERSAL CALL ID Create Universal Call ID (UCID)? y UCID Network Node ID: 1

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On Page 6, set 7434ND to y. change system-parameters features Page 6 of 19 FEATURE-RELATED SYSTEM PARAMETERS Public Network Trunks on Conference Call: 5 Auto Start? Conference Parties with Public Network Trunks: 6 Auto Hold? Conference Parties without Public Network Trunks: 6 Attendant Tone? Night Service Disconnect Timer (seconds): 180 Bridging Tone? Short Interdigit Timer (seconds): 3 Conference Tone? Unanswered DID Call Timer (seconds): Intrusion Tone? Line Intercept Tone Timer (seconds): 30 Mode Code Interface? Long Hold Recall Timer (seconds): 0 Reset Shift Timer (seconds): 0 Station Call Transfer Recall Timer (seconds): 0 Recall from VDN? Trunk Alerting Tone Interval (seconds): 15 DID Busy Treatment: tone Allow AAR/ARS Access from DID/DIOD? n Allow ANI Restriction on AAR/ARS? n Use Trunk COR for Outgoing Trunk Disconnect/Alert? n 7405ND Numeric Terminal Display? n 7434ND? y

DTMF Tone Feedback Signal to VRU - Connection:

Disconnection:

5.2. Configure H.323 Stations In order for calls to route to Voice Portal via Communication Manager, H.323 stations must be configured on Communication Manager. Enter the command add station xxxx, where xxxx is a valid extension in your dialplan. In this example, extension 4500 is added. Set the Type as 7434ND, the Port as IP, assign an appropriate Name, in this case Speech Access, and set a Security Code, in this instance 1234. add station 4500

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STATION Extension: Type: Port: Name:

4500 7434ND IP Speech Access

Lock Messages? n Security Code: 1234 Coverage Path 1: Coverage Path 2: Hunt-to Station:

BCC: TN: COR: COS:

0 1 1 1

STATION OPTIONS Loss Group: Data Module? Display Module? Display Language:

2 n y english

Time of Day Lock Table: Personalized Ringing Pattern: 1 Message Lamp Ext: 4500 Coverage Module? n

Survivable COR: internal Survivable Trunk Dest? y

Media Complex Ext: IP SoftPhone? Remote Office Phone? IP Video Softphone? Short/Prefixed Registration Allowed:

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y n n default

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n n y n n n n n

On Page 4 of the station form, set Button Assignment 10 as ucid-info. add station 4500

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STATION SITE DATA Room: Jack: Cable: Floor: Building:

Headset? Speaker? Mounting: Cord Length: Set Color:

ABBREVIATED DIALING List1:

List2:

BUTTON ASSIGNMENTS 1: call-appr 2: call-appr 3: 4: 5:

n n d 0

List3: 6: 7: 8: 9: 10: ucid-info

On Page 6, ensure DISPLAY BUTTON ASSIGNMENTS entry 1, is set to Normal and save. add station 4500

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STATION DISPLAY BUTTON ASSIGNMENTS 1: normal 2: 3: 4: 5: 6: 7:

Repeat this command for the number of simultaneous calls required to Voice Portal.

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5.3. Configure Hunt Group The H.323 stations must be added to a hunt group. When a call is placed to Voice Portal, it is done so according to the number specified in the Hunt Group. Enter the command add huntgroup next. Enter a Group Name to identify this hunt group and a Group Extension valid in the dialplan, leave all other settings default. add hunt-group next

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HUNT GROUP Group Number: Group Name: Group Extension: Group Type: TN: COR: Security Code: ISDN/SIP Caller Display:

3 ACD? Voice Portal Hunt Group Queue? 4510 Vector? ucd-mia Coverage Path: 1 Night Service Destination: 1 MM Early Answer? Local Agent Preference? grp-name

n n n n n

On Page 3 of the hunt group, add the stations created in Section 5.1, save when complete. add hunt-group next

Page 3 of 60 HUNT GROUP Group Number: 3 Group Extension: 4510 Group Type: ucd-mia Member Range Allowed: 1 - 1500 Administered Members (min/max): 1 /10 Total Administered Members: 10 GROUP MEMBER ASSIGNMENTS Ext Name(19 characters) Ext Name(19 characters) 1: 4500 Speech Access 14: 2: 4501 Speech Access 15: 3: 4502 Speech Access 16: 4: 4503 Speech Access 17: 5: 4504 Speech Access 18: 6: 4505 Speech Access 19: 7: 4506 Speech Access 20: 8: 4507 Speech Access 21: 9: 4508 Speech Access 22: 10: 4509 Speech Access 23: 11: 24: 12: 25: 13: 26: At End of Member List

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5.4. Confirm Gatekeeper Address The application note assumes an interface is configured to service H.323 registrations. Enter the command list ip-interface clan. Take a note of the IP Address displayed, in this case 10.10.16.31. list ip-interface clan IP INTERFACES ON y

Slot 01A02

Code/Sfx Node Name/ IP-Address-TN799 D clancm601 10.10.16.31

Skts Net Mask Gateway Node Warn Rgn ----------- --------------/24 400 1

VLAN ---n

Eth Link ---1

6. Configure Avaya Voice Portal The configuration and verification operations illustrated in this section were all performed using the Voice Portal Web Interface. The information provided in this section describes the configuration of Voice Portal for this solution. For all other provisioning information such as initial installation and configuration, please refer to the product documentation. The Application Note assumes the VPMS, MPP and Tomcat Application Server with default test vxml application are installed on the same server. The configuration operations described in this section can be summarized as follows:  Administer VoIP Connections  Administer MPP Server  Administer TTS Custom Voice  Administer Speech Server  Add Application  Start MPP Server  Configure VoiceXML

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6.1. Administer VoIP Connections The H.323 stations administered in Section 5.1 must be added to Voice Portal. Log in to the Voice Portal Web Interface, in the left hand pane, click VoIP Connections.

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Click Add, the screen below will be displayed. Configure a Name to identify the connection, set the Gatekeeper Address to the IP address identified in Section 5.4, turn off Media Encryption. In the section entitled New Stations, enter the extension number range configured in Section 5.2 and the station Password.

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Click Add and the extension range entered will appear in the Configured Stations field, click Save when done.

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The screen below will be displayed confirming entry.

6.2. Administer Media Processing Platform Server The Media Processing Platform (MPP) must be configured in order to communicate with the GVZ TTS MRCP server and uses VoIP protocols to communicate with Communication Manager. It also runs the VoiceXML speech applications deployed on the application sever. In the left hand pane of the Voice Portal web interface, click MPP Servers  Add.

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Specify an identifying Name and Host Address and click Continue. In this case Voice Portal was configured with MPP co-hosted.

The screen below will now be displayed. Ensure the Host Address is as specified in the previous screen, set the Maximum Simultaneous Calls to the number of stations administered in Section 5.2. Place a tick in the Trust this certificate checkbox. Click Save when done.

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The screen below will be displayed confirming your entry.

6.3. Administer TTS Custom Voices In this section the custom voices which the TTS speech server and application will use are configured. In the left hand pane, click Speech Servers. The screen below will be displayed, click Customize.

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Select Nuance from the drop down list as the Engine Type. In the Voices section, configure a new Voice to identify the voice, Language Code and Voice Name of your choosing, in this case sestek, az-Latn and sestekazeri respectively.

Click Add and the custom voice will be added as shown below.

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Perform the same for the additional custom voices, shown in the screen below. Click Save when done.

The screen below will be displayed confirming the information has been saved.

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6.4. Administer Speech Server The speech server administered in this section will reference the IP Address of the GVZ TTS MRCP server and will use the custom voice configured in Section 6.3. It will be further referenced in the application configured in Section 6.5. On the Voice Portal web interface click Speech Servers in the left hand pane and click on Add (not shown). Configure an identifying Name, specify the Engine Type as Nuance, set the Network Address as the IP address of the Sestek GVZ TTS MRCP Server, configure the Base Port as 1554. Set the Total Number of Licensed TTS Resources according to the licensing of the Voice Portal server. In the Voices list, scroll down to where the voices added in Section 6.3 are displayed and highlight each of them. In the MRCP section set the RTSP URL to include the IP Address of the GVT TTS MRCP server followed by the Base Port in this case 10.10.16.113:1554/media/speechsynthesizer and click Save.

The following screen will be displayed confirming the information has been saved and summarizing the settings specified.

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6.5. Add Application The sample application used in this compliance test is supplied and installed with Voice Portal. In the left hand pane of the Voice Portal web interface, click Applications, the following screen will be displayed, click Add.

Enter a Name to identify this application, in the URL section, enter the VoiceXML URL. The sample VoiceXML application in this instance is co-hosted on Tomcat on the Voice Portal server and installed as part of the initial Voice Portal installation. In the Speech Servers section, select Nuance from the drop down list, and highlight the custom voices added previously.

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In the Application Launch section of the same page, enter the extension of the huntgroup configured in Section 5.3 in the Called Number field, and clicked Add. Click Save when done. When this Called Number is dialed, this application will be accessed. The inbound call routes to the Voice Portal via the stations administered in Communication Manager which are registered in the VoIP Connections section.

The following screen will be displayed confirming the information has been saved.

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6.6. Start MPP Server The MPP server must be started in order to start servicing inbound calls. In the left hand pane of the Voice Portal web interface, click MPP Manager. Select the MPP server configured in Section 6.2 and click Start.

Once the MPP has started, the State will display Running as shown below.

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6.7. Configure VoiceXML For each language to be tested, the vxml file needs to be edited according to the language chosen, as shown below. Configure VoiceXML for Azeri

Configure VoiceXML for US-English

Configure VoiceXML for Turkish

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7. Configure Sestek GVZ TTS The following steps were taken to install and configure the Sestek GVZ TTS application, the steps can be summarized as follows:  Install TTS SDK  Install MRCP Server  Install Voices

7.1. Install TTS SDK Using the Sestek provided software, locate the directory containing the TTS SDK and double click setup.exe. The software is installed in Turkish Language. The following screen will display, click Yes.

Once the .NET 2.0 Framework is installed, the following screen will appear, click İleri.

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Select Lisans sözleşmesinin şartlarını kabul ediyorum and click İleri at the screen shown below.

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At the screen shown below, enter your name and company name and select the field highlighted. Click İleri when done.

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At the screen shown below, Select Tam and click İleri

Click OK at the following screen.

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Click Lisansla on the screen shown below.

A license key will now be generated, this must be sent to Sestek support who will provide a code. Copy the code beneath Kullanıcı Kimliği and send to Sestek support.

Enter the code Sestek support provides and click Tamam.

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Click Son to complete the installation of TTS SDK.

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7.2. Install MRCP Server Using the Sestek provided software, locate the directory containing the GVZ TTS MRCP Server installation files, and double click setup.exe, the following screen will display, click İleri.

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Select Lisans sözleşmesinin şartlarını kabul ediyorum and click İleri.

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At the screen shown below, enter your name and company name and select the field highlighted. Click İleri when done.

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At the screen shown below, select Tam and click İleri

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Click Son to complete the installation of GVZ TTS MRCP Server.

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7.3. Install Voices Perform the following for each of the voices required. In the installation directory of the relevant voice, double click on setup.exe. Click İleri when the screen below is shown.

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Select Lisans Sözleşmesinin şartlarını kabul ediyorum and click İleri when the screen below is shown.

At the screen shown below, enter your name and company name and select the field highlighted. Click İleri when done.

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At the screen shown below, select Tam and click İleri.

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Click Son to complete the installation of the voice.

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8. Verification Steps This section provides the tests that can be performed to verify correct configuration of the Avaya and Sestek solution.

8.1. Verify Avaya Voice Portal Services From the Voice Portal web interface, verify that the MPP server is online and running in the MPP Manager page as shown below.

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From the Voice Portal web interface, in the left plane click System Monitor and then click on the MPP server in the VoicePortal Details tab (not shown). In the MPP Details page (not shown), click on the Service Menu link. Next, click on Speech Servers in the left pane and verify that the sestek_tts server is up.

Place a call to a Voice Portal extension that runs the VXML script that uses Sestek GVZ TTS. Verify that the application answers the call and that the speech output is accurate. To confirm the active call in the left hand pane, click Active Calls.

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8.2. Verify Sestek GVZ TTS MRCP Server Service On the Microsoft Windows PC on which the GVZ TTS MRCP Server is installed, click on Start  Run enter services.msc and click OK. This will load the services console, ensure the GVZ TTS MRCP Server is Started.

9. Conclusion These Application Notes describe the configuration steps required for the Sestek GVZ TTS to successfully interoperate with Avaya Aura® Communication Manager and Avaya Voice Portal. All functionality and serviceability test cases were completed successfully.

10. Additional References Product documentation for Avaya products may be found at http://support.avaya.com [1] Administering Voice Portal – January 2011 [2] Implementing Voice Portal on a single server – June 2010 [3] Configuration Note 3910 – Rev. I (11/09)

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©2011

Avaya Inc. All Rights Reserved. Avaya and the Avaya Logo are trademarks of Avaya Inc. All trademarks identified by ® and ™ are registered trademarks or trademarks, respectively, of Avaya Inc. All other trademarks are the property of their respective owners. The information provided in these Application Notes is subject to change without notice. The configurations, technical data, and recommendations provided in these Application Notes are believed to be accurate and dependable, but are presented without express or implied warranty. Users are responsible for their application of any products specified in these Application Notes. Please e-mail any questions or comments pertaining to these Application Notes along with the full title name and filename, located in the lower right corner, directly to the Avaya DevConnect Program at [email protected].

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