Configure ISDN PSTN with UCaaS

Overview

The SBC Easy Config interface includes a built-in, step-by-step setup configuration wizard to enable quick and easy deployment of an SBC to connect a UCaaS environment with a PSTN Provider through ISDN.

Step 1: Select ISDN PSTN ↔ UCaaS

Easy Configuration Step 1 includes configuration for Scenario Parameters and SIP Trunk type.

1. In the WebUI, click the Tasks tab.
2. In the left navigation panel, go to SBC Easy Setup > Easy Config Wizard.

3. From the Application drop down list, select ISDN PSTN ↔ UCaaS.

4. Configure per the field definitions below and click Next. 

   
   
   Configure Scenario Parameters - Field Definitions

   Field	Description
   Application	Configuration template used: ISDN PSTN <->
   Scenario Description	Name to describe the setup.
   Telephone Country	Country in which the SIP Trunk is setup.
   SIP Sessions	Number of simultaneous SIP Sessions. Valid entry: 1 - 960.
   ISDN PSTN	By default the Provider Type is configured to ISDN.
   UCaaS	By default, the User Type is configured to Zoom.

Step 2: Configure ISDN PSTN Details for UCaaS

Easy Configuration Step 2 includes configuration for the ISDN PSTN endpoint and UCaaS. 

1. Configure the ISDN PSTN information (see below for field definitions).
2. Configure the UCaaS: Zoom information (see below for field definitions).

3. Click  Next. 

   
   
   Configure ISDN PSTN

   Field	Description
   Port Type	Specifies the physical T1/E1 port used for this Signaling Group. Valid option: T1 or E1.
   DS1 Ports	The physical T1/E1 port number to which the PSTN line is physically connected. 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 a DS1 port), and Remove (deletes a DS1 port). For example, click Add. Select the desired PSTN port and OK.
   Switch Variant	Specifies the ISDN variant for the port type in the ISDN Signaling Group. For T1 ATT 4EES ATT 5EES DMS 100 N12 Euro ISDN QSIG Japanese ISDN For E1: Euro ISDN QSIG
   ISDN Number Translation	Determines 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).
   PBX Prefix	Numbers to prefix for the translated phone extension. This field is available only when ISDN Number Translation is set to Translation Extension.
   Extension Length	The number of digits used to account for the PSTN extension. Valid options: 2, 3, 4, or 5.This field is available only when ISDN Number Translation is set to Translation Extension.
   Clock Source	Specifies the source of the systems transmit clock. System: The built-in oscillator is used to transmit data over synchronous links. Network: The clock is derived from the data received from the peer devices on the network.
   Primary Clock Port	Specifies the primary port for the clock source. This field displays only when Network is selected as the Clock Source.
   Secondary Clock Port	Specifies the secondary port for the clock source. This field displays only when Network is selected as the Clock Source.
   ISDN Side	Specifies the ISDN user/network side for this signaling group to be created by this wizard. Valid entries: Network or User.

   Configure UCaaS

   Field	Description
   Signaling/Media Source IP	The external (Internet-facing) IP address of the Zoom server that handles routing of messages for signaling and media.
   Host	The IP/FQDN address used for Zoom. Valid entry: FQDN or IP.
   Port Number	The port used for Zoom.  Valid entry: 1024 - 65535)

Step 3: Summary

Easy Configuration Step 3 includes a summary of the information configured in Step 1 and Step 2.

Review the information and click Finish.