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Connecting Skype for Business to a PSTN VoIP provider with a Sentinel Unit on the Edge
- Mediatrix Sentinel 100 (up to 150 concurrent calls)
- Mediatrix Sentinel 400 (up to 600 concurrent calls)

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Configuring the SIP Trunk PSTN Gateway in Skype for Business
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Configuring DGW for Skype for Business
- Logging on to the Mediatrix Unit Web Interface
- Configuring the Uplink Network Interface
- Configuring the Lan1 Network Interface
- Configuring the Host Name
- Configuring the Default Network Gateway to an Automatic IP Address
- Configuring the Domain Name Server (DNS)
- Configuring the SNTP Server to a Static IP Address
- Selecting the Unit's Time Zone
- Configuring the uplink_s Signaling Interface
- Configuring the lan1_s Signaling Interface
- Configuring the uplink_m Media Interface
- Configuring the lan1_m Media Interface
-
Importing Rulesets
- skype_for_business_generic_interop.crs.
- generic_sip_trunk_interop.crs
- uac_authentication_out.crs
- sfb_wan_ip_trunk_route.rrs
- Configuring the lan_ip_pbx_ca Call Agent
- Configuring the wan_ip_trunk_ca Call Agent
- Associating Routing Rulesets to Your Configuration
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Information to Know Before Starting
Before starting to use these configuration notes, complete the following table to make sure you have the required information to complete the different steps.
Information | Value | Used in Step |
---|---|---|
IP address used by your Mediatrix unit to communicate with the Management
Interface.
|
Use this value 192.168.0.10 | Logging on to the Mediatrix Unit Web Interface |
|
Logging on to the Mediatrix Unit Web Interface | |
User name and password provided by provider | Configuring the wan_ip_trunk_ca Call Agent | |
Domain and host name of unit | Configuring the Host Name | |
IP address of the each DNS server used | Configuring the Domain Name Server (DNS) | |
IP address or domain name and port numbers for each SNTP server you are using | Configuring the SNTP Server to a Static IP Address | |
Rulesets |
|
Importing Rulesets |
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Logging on to the Mediatrix Unit Web Interface
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Configuring the Uplink Network Interface
- Go to Network/Interfaces.
- In the Network Interface Configuration table, from the Link selection list located next to Uplink, leave the default value.
- From the Type selection list, select the Connection type of your Uplink interface that best matches your network setup.
- From the Activation selection list, select Enable.
- Click Apply to apply all changes to the configuration.

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Configuring the Lan1 Network Interface

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Configuring the Host Name
- Go to Network/Host.
- In the Host Name Configuration table, from the Configuration Source selection list, select Static.
- In the Domain Name field, enter the domain name of your unit.
- In the Host Name field, enter he host name of your unit.
- Click Apply.
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Configuring the Default Network Gateway to a Static IP Address
- Go to /Host.
- In the Default Gateway Configuration table, from the IPv4/Configuration Source selection list, select Static.
- In the IPv4/Default Gateway field, enter the IP address used as the Static Default Router for the Uplink Network Interface.
- In the Default Gateway Configuration table, from the IPv6/Configuration Source selection list, select Static.
- In the IPv6/Default Gateway field, enter the IP address used as the Static Default Router for the Uplink Network Interface.
- Click Apply.

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Configuring the Domain Name Server (DNS)
- Go to Network/Host.
- In the DNS Configuration table, form the Configuration Source selection list, select Static.
- For each DNS used, enter the IP address of the DNS.
- Click Apply.
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Configuring the SNTP Server to a Static IP Address

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Selecting the Unit's Time Zone
Any DGW parameter referring to a time value will use the local time described by this time zone reference. The Hoc.SystemTime will return the unit local time in accordance with the configured time zone.
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Configuring the uplink_s Signaling Interface
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Configuring the lan1_s Signaling Interface

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Configuring the uplink_m Media Interface
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Configuring the lan1_m Media Interface

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Importing Rulesets

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Configuring the lan_ip_pbx_ca Call Agent
- Go to SBC/Configuration.
-
In the Call Agent Configuration
table, click
located on the same row as lan_ip_pbx_ca.
-
In the Configure Call Agent table,
complete the fields as follows:
- Select the Enable check box.
- From the Signaling Interface selection list, select lan1_s.
- From the Media Interface selection list, select lan1_m.
- Set the Peer Host to the IP address of the IP PBX.
- Set Force Transport to TCP or TLS.
- Click +.
- In the Call Agent Rulesets table, from the Name selection list choose skype_for_business_generic_interop.crs.
- Click Save.
- In the Configuration page, click Save.
- Click Apply to apply all changes to the configuration.

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Configuring the wan_ip_trunk_ca Call Agent
- Go to SBC/Configuration.
- Select the Enable check box, located next to wan_ip_trunk_ca.
-
In the Call Agent Configuration
table, click
next to wan_ip_trunk_ca.
-
In the Configure Call Agent table,
complete the following fields:
- From the Signaling Interface selection list, select uplink_s.
- From the Media Interface selection list, select uplink_m.
- Set the Peer Host to the IP address of the service provider server or FQDN.
- Set Force Transport to UDP or TCP or TLS depending on your SIP trunk provider .
- Click +.
- In the Call Agent Rulesets table, from the Name selection list select generic_sip_trunk_interop.crs.
- In the Parameters field, enter USERNAME=YYYY Password=XXXX. Replace the YYYY by the username and XXXX by the password provided by the provider.
- Click +.
- In the Call Agent Rulesets table, from the Name selection list select uac_authentication_out.
- In the Parameters field, enter SIP_DOMAIN=WWWW. Replace the WWWW by the SIP domain provided by the provider.
- Click Save.
- Click Apply to apply all changes to the configuration.

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Associating Routing Rulesets to Your Configuration
- Go to SBC/Configuration
-
Click
.
- In the Routing Rulesets table, from the Name selection list, select tsfb_wan_ip_trunk_route.rrs .
- In the Parameters field, enter USERNAME= YYYYY Password=XXXXX. Replace the YYYY by the username and XXXXX by the password provided by the provider.
- Click Save.
- Click Apply to apply all changes to the configuration.

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Online Help
If you are not familiar with the meaning of the fields and buttons, click Show Help, located at the upper right corner of the Web page. When activated, the fields and buttons that offer online help will change to green and if you hover over them, the description will bedisplayed.
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DGW Documentation
Mediatrix devices are supplied with an exhaustive set of documentation.
Mediatrix user documentation is available on the Media5 Documentation Portal.
- Release notes: Generated at each GA release, this document includes the known and solved issues of the software. It also outlines the changes and the new features the release includes.
- Configuration notes: These documents are created to facilitate the configuration of a specific use case. They address a configuration aspect we consider that most users will need to perform. However, in some cases, a configuration note is created after receiving a question from a customer. They provide standard step-by-step procedures detailing the values of the parameters to use. They provide a means of validation and present some conceptual information. The configuration notes are specifically created to guide the user through an aspect of the configuration.
- Technical bulletins: These documents are created to facilitate the configuration of a specific technical action, such as performing a firmware upgrade.
- Hardware installation guide: They provide the detailed procedure on how to safely and adequately install the unit. It provides information on card installation, cable connections, and how to access for the first time the Management interface.
- User guide: The user guide explains how to customise to your needs the configuration of the unit. Although this document is task oriented, it provides conceptual information to help the user understand the purpose and impact of each task. The User Guide will provide information such as where and how TR-069 can be configured in the Management Interface, how to set firewalls, or how to use the CLI to configure parameters that are not available in the Management Interface.
- Reference guide: This exhaustive document has been created for advanced users. It includes a description of all the parameters used by all the services of the Mediatrix units. You will find, for example, scripts to configure a specific parameter, notification messages sent by a service, or an action description used to create Rulesets. This document includes reference information such as a dictionary, and it does not include any step-by-step procedures.
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Copyright Notice
Copyright © 2023 Media5 Corporation.
This document contains information that is proprietary to Media5 Corporation.
Media5 Corporation reserves all rights to this document as well as to the Intellectual Property of the document and the technology and know-how that it includes and represents.
This publication cannot be reproduced, neither in whole nor in part, in any form whatsoever, without written prior approval by Media5 Corporation.
Media5 Corporation reserves the right to revise this publication and make changes at any time and without the obligation to notify any person and/or entity of such revisions and/or changes.