Assigning a digital interface protocol

Prerequisites

Before assigning a digital interface protocol to a telephony card, check the following:

• A T1 or E1 telephony card is installed
• A digital interface protocol has not been assigned to the card

  Note: In IR R2.0, support for multiple trunk protocols has been introduced. More than one protocol (PRI, R2 MFC, Loop Start, and Winkstart) can be supported on a single T1 or E1 telephony card.

Procedure

To assign a digital interface protocol to a telephony card:

1. From web administration, go to the Digital Interfaces Protocols screen (Configuration Management > Switch Interfaces > Digital Interfaces > Digital Interfaces Protocols).
2. Select Assign Card.

   The system displays the Assign Card - Digital Interfaces screen.

3. Select one of the following digital interface protocols:
   • ISDN - Primary Rate Interface T1
   • ISDN - Primary Rate Interface E1
   • Loop Start T1
   • Loop Start E1
   • Wink Start T1
   • R2 MFC E1
4. Select the telephony card to which you want to assign the digital interface protocol.
5. Select Submit.
6. Examine the default parameter values and change any values that are not appropriate for the communications system at the far end of the channel.
7. Select Submit.

   The system displays information about the success or failure of the administration attempt.

Administration changes do not take effect until you stop and start the voice system (see Stopping and starting the voice system).

See also

For information about the fields on the Assign Parameters screens, see the following:

• Assign ISDN-PRI T1 parameters screen
• Assign ISDN-PRI E1 parameters screen
• Assign Loop Start T1 parameters screen
• Assign Loop Start E1 parameters screen
• Assign Wink Start T1 parameters screen
• Assign R2 MFC E1 parameters screen

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