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Scenario - Field Definitions
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One unassigned ISDN Signaling port must be available for the ISDN application options to be displayed. |
Application
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The scenario in which the configuration template is provided. In this case, select ISDN PSTN ↔ Microsoft Teams. |
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Defines the Emergency Services for outgoing numbers. For the purpose of this illustration above, Emergency Services is not selected. Related field descriptions follow. Options:
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Emergency Callback Number 1
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Defines the version of user type as Microsoft Teams. Valid options: Skype for Business, Lync 2010/2013 or Microsoft Cloud Connector Edition. |
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Step 2 - Configure Provider and User Side Information
Enter the scenario configuration details based on the endpoint selected. Once completed, click Next to move to Step 3 (or Previous to return to the previous screen).
ISDN - Field Definitions
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Port Type
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Specifies the physical T1/E1 port used for this Signaling Group. Valid option: T1 or E1. |
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DS1 Ports
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The physical T1/E1 port number to which the PSTN line is physically connected. Port DS1 entries are configured with the following command buttons: Up (move a DS1 port up in the list), Down (move a DS1 port down in the list), Add (adds aporta DS1 port), and Remove (deletes a DS1 port). For example, click Add. Click the check boxes for ports, and then click Select the desired PSTN port and OK. | ||||
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Switch Variant
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Specifies the ISDN variant for the port type in the ISDN Signaling Group. For T1
For E1:
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Determines whether if the SBC should translate dialed PSTN digits as phone extensions. Valid options: Translation Extension (translates digits into phone extensions) or Passthrough Untranslated (does not translate digits). |
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The numbers to prefix onto for the translated phone extension. This field displays is available only when the ISDN Number Translation field is set to Translation Extension. |
Extension Length
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The number of digits used to allow account for the PSTN extension. Valid options: 2, 3, 4, or 5.This field displays is available only when the ISDN Number Translation field is set to Translation Extension. |
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Clock Source
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The Pool name of the Skype for Business/Lync Server (FQDN). |
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Specifies the source of the systems transmit clock.
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ISDN Side
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Specifies the ISDN user/network side for this signaling group to be created by this wizard. |
Signaling/Media Source IP
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Specifies the external (Internet-facing) IP address of the Microsoft Teams Direct Connect server that handles routing of messages for signaling and media. |
Outbound NAT Traversal
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The IP protocol to use for sending and receiving SIP messages between SBC and the Server Pool Host. Valid entries: TLS or TCP. |
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Allows the SBC to be placed behind a NAT device, and uses the IP of the NAT device for all outgoing messages. If this field is set to Enable, the Public IP address field configuration is required. Valid selections: Enable: Network Address Translation is used for the NAT device's Public IP address. Disable: Network Address Translation address translation is not used. NOTE: This field is required when the SBC interface has a private IP and the NAT device is using a public IP. For details on configuring an SBC behind the NAT, refer to Configuring the SBC Edge for NAT Traversal. |
Public IP Address
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Specifies the Public IP address of the NAT device. The SBC uses this IP as the source IP for all the outgoing messages. This field is required only when Outbound NAT Traversal is configured to Enable. |
Apply ACL
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Specifies whether an ACL (Access Control List) is applied to the Microsoft Teams connection. An ACL provides security to an SBC using a Public IP. Valid selection: True: Applies the ACL False: Does not apply the ACL. For details on configuring an ACL to be applied to an SBC, refer to Managing Access Control Lists. |
Server Pool Host 1
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Hard-coded FQDN for the location of the server list for Server Pool Host 1: sip.pstnhub.microsoft.com |
Server Pool Host 2
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Hard-coded FQDN for the location of the server list for Server Pool Host 2: sip2.pstnhub.microsoft.com |
Server Pool Host 3
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The Port Number to use for sending and receiving SIP messages between the SBC and the Hard-coded FQDN for the location of the server list for Server Pool Host 3: sip3.pstnhub.microsoft.com |
Federated FQDN
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Hard-coded federated FQDN for use with Microsoft Teams Direct Connect: sip-all.pstnhub.microsoft.com |
Protocol
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Hard-coded value for protocol used with federated FQDN: TLS |
Port Number
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Hard-coded value for the port used for TLS: 5061 |
Step 3 - Confirm and Submit Configuration
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This example displays a ISDN PSTN ↔ Microsoft Teams setup.
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Overview
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