5. Avaya J179 User Reference Guide (Hospital Authority) info@mtscloud.com www.mtscloud.com www.facebook.com/MillenniumTechnologyServices/ Copyright © Millennium Technology Services 202 3 / MTS Confidential 5 3. J179 Quick User Guide

1. Avaya J179 User Reference Guide (Hospital Authority) info@mtscloud.com www.mtscloud.com www.facebook.com/MillenniumTechnologyServices/ Copyright © Millennium Technology Services 202 3 / MTS Confidential 1 IP - Based PBX Avaya J179 User Reference Guide Version Number: 1 . 0 Date : 25 SEP 2023

3. Avaya J179 User Reference Guide (Hospital Authority) info@mtscloud.com www.mtscloud.com www.facebook.com/MillenniumTechnologyServices/ Copyright © Millennium Technology Services 202 3 / MTS Confidential 3 1. INTRODUCTION ................................ ................................ ................................ ................................ ................................ ...... 4 2. J179 OVERVIEW ................................ ................................ ................................ ................................ ................................ ...... 4 2.1. P HYSICAL L AYOUT OF A VAYA J179 ................................ ................................ ................................ ................................ .................. 4 3. J179 QUICK USER GUIDE ................................ ................................ ................................ ................................ ......................... 5

4. Avaya J179 User Reference Guide (Hospital Authority) info@mtscloud.com www.mtscloud.com www.facebook.com/MillenniumTechnologyServices/ Copyright © Millennium Technology Services 202 3 / MTS Confidential 4 1. Introduction This document details the User Guide for the Avaya J179 IP Phones f or the unified communication users in Hospital Authority (HA). Avaya J179 IP Phones features a colour display, 4 softkeys, high - definition audio quality. It also supports the 24 button expansion modules use for operator and WIFI to connect to corporate network. 2. J179 Overview 2.1. Physical Layout of Avaya J179 1. Beacon LED (flashing for Incoming call or lit for new voicemail) 2. Phone Display 3. Line Keys 4. S oft Keys 5. Main Menu, Contacts, Phone Key and Message 6. Navigation Dial Pad Use the navigation cluster to scroll up and down, move cursor in the text input field and toggle values in the selection fields. Use the OK button to select the action assigned to the first soft key on the left. 7. Recent Call History, Headset and Speaker 8. Mute button 9. Volume ad justment

2. Avaya J179 User Reference Guide (Hospital Authority) info@mtscloud.com www.mtscloud.com www.facebook.com/MillenniumTechnologyServices/ Copyright © Millennium Technology Services 202 3 / MTS Confidential 2 Document Control Document # MTS – DL0751a Version 1.0 Author Technical Operation Date 25 September 2023 Owner Role of owner Version Draft Reviewers Name Role Date Arjan J. Groot Baltink COO 25 September 2023 Thierry Pascal Prevost Senior Mgr. Technical Operation 25 September 2023 Approvers Name Role Date Arjan J. Groot Baltink COO 25 September 2023 Thierry Pascal Prevost Senior Mgr. Technical Operation 25 September 2023 Revision Hi story Revision # Revision Date Summary of Changes 1.0 25 September 2023 Initial Version