AT&T SB67060 T1 Installation Guide download pdf (Page 28)

Installation 27

Synapse Installation Guide

Door Phones Overview

Door phones and their associated door-entry mechanisms have become a common accessory in business phone systems. Door

phone systems provide an easy method for Deskset users to attend to someone who is present at a door elsewhere. Synapse

supports two types of door phones: Station Port (FXS) and Trunk Port (FXO). The system lets you select which Desksets will be

notified by the door phone.

A Deskset user can send DTMF digits from the Deskset to the door phone to activate associated door-latch and relay mechanisms.

How the door phone operates using a Deskset and the method to control a door latch varies with the door phone model.

Station Port (FXS) Door Phone Support

This type of door phone emulates a regular analog phone and can be connected to either FXS1 or FXS2 of a Synapse SB67050

ATA as shown in Figure 12. For single-button door phones a feature called Private Line Automatic Ringdown (PLAR) is supported.

With PLAR configured in Synapse, as soon as the phone goes off-hook it will cause the configured extension(s) to ring with a pre-

set Caller ID. Any Synapse extension can call the associated extension of the ATA port connected to the Doorphone.

In Call Appearance mode, you can configure PLAR to ring either a single extension or group of extensions (a Ring Group) when

the door phone goes off hook. In Line Appearance mode, you can configure PLAR to ring a single extension. For more information,

see “ATA FXS Ports” on page 116.

Figure 12. Station Port (FXS) Door Phone Connection

ATA FXS 1 & FXS 2

FXS Door Phone

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AT&T SB67060 T1 Installation Guide Page 28