# PRI (Primary Rate Interface)

## Description

The PRI options supported by MiVoice Business are:

- Min/Max

- Automated Min/Max

- NFAS (Non Facility Associated Signaling)

- D-channel Backup

- Remote LAN Access

Embedded PRI is offered for MiVoice Business via a T1/E1 module. Embedded PRI is programmed using ESM. For more information, refer to:

- Embedded PRI Product Overview

- Programming Embedded PRI/QSIG

### Min/Max

Min/Max controls the number of simultaneous incoming and outgoing calls. The level of control ranges from generic minimums and maximums on all calls to minimums and maximums for particular directory numbers.

### Automated Min/Max

Automated Min/Max works in conjunction with Min/Max, and increases Min/Max configurations by providing time of day programming. Time of day programming allows you to have consistent traffic control without having to frequently reprogram Min/Max. You can program call control for an entire week, and the system will automatically change Min/Max settings based on the time of day and the day of the week.

NOTE: Min/Max is required in order to program Auto Min/Max.

### NFAS (Non-Facility Associated Signaling)

NFAS allows you to use a single D-channel to handle the signaling requirements for a group of PRI links that all use the same Protocol. This feature eliminates the need to purchase a D-channel for each link. NFAS is mainly for North America.

### D-channel Backup

D-channel Backup provides an alternate D-channel for calls related to NFAS. If the active D-channel fails, the system switches to the backup D-channel to support call processing. This functionality is mainly for North America.

NOTE: NFAS is required in order to program D-channel Backup.

### Remote LAN Access

Remote LAN Access lets you configure the card as if it was the interface from the Public Network. It will allow you to send and receive information to another ISDN compatible device, such as a router, server or another system. This feature is mainly used for Email and Internet access.

## Conditions and Feature Interactions

- Min/Max is required in order to program Auto Min/Max.

- NFAS is required in order to program D-channel Backup.

## Programming

This feature does not require programming.

## Device Support

Not applicable

## Operation

None