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Specifies the physical T1/E1 port used for this Signaling Group. Valid options:

• • E1
  • T1

The physical T1/E1 port number to which the PSTN line is physically connected. DS1 entries are configured with the following command buttons:

• • Up: Moves a DS1 port up in the list.
  • Down: Moves a DS1 port down in the list.
  • Add/Edit: Adds or edits a DS1 port.
  • Remove: Deletes a DS1 port.

For example, click Add/Edit. Select the desired PSTN port and click OK.

Specifies the ISDN variant for the port type in the ISDN Signaling Group.

For E1:

• • Euro ISDN
  • QSIG

For T1:

• • ATT 4ESS
  • ATT 5ESS
  • DMS 100
  • N12
  • Euro ISDN
  • QSIG
  • Japanese ISDN
  • Hong Kong ISDN

Determines if the SBC should translate dialed PSTN digits as phone extensions. Valid options:

• • Translation Extension: Translates digits into phone extensions.
  • Passthrough Untranslated: Does not translate digits.

The number of digits used to account for the PSTN extension. Valid options:

• • 2
  • 3
  • 4
  • 5

This field is available only when ISDN Number Translation is set to Translation Extension.

Specifies the source of the systems transmit clock. Valid options:

• • 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.

Specifies whether an Access Control List (ACL) is applied to the Microsoft Teams connection. An ACL provides security to an SBC using a Public IP.

Valid options:

• • 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.

Specifies whether an ACL is applied to the Microsoft Teams connection. An ACL provides security to an SBC using a Public IP.

Valid options:

• • 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.