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Mitel 3300 - User Manual

Mitel 3300
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OpenPhone 27 Handset
User Guide

Table of Contents

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Questions and Answers

  • P
    Paul StewartAug 18, 2025
    How to fix Mitel Gateway when it does not load the latest firmware (tftpSendRequest fails)?
    • M
      Mark PerezAug 19, 2025
      If your Mitel CITELlink Gateway fails to load the latest firmware and displays a 'tftpSendRequest fails' error, the TFTP server IP address might be incorrect. Ensure network connectivity. If you're using DHCP (with internal DHCP), verify that option 128 on the DHCP server points to the 3300 ICP controller (internal TFTP) or an external TFTP server. Also, confirm that the gateway is properly configured: 'autoUpdate' is set to True (default = true), 'dhcpEnabled' is set to True (default = true), and 'configAddress' appears as '0.0.0.0,' indicating the gateway uses DHCP addressing. Remember that a static setting on the gateway will override DHCP options programmed on the 3300 ICP.
  • A
    Ashley ZamoraAug 21, 2025
    What to do if phone displays are blank after powering up Mitel Gateway?
    • M
      Mr. Nicholas BrownAug 21, 2025
      If the phone displays are blank after powering up the Mitel Gateway, there might be a few reasons: * Check for faulty connections to the telephone by ensuring the Amphenol connector is firmly seated and verifying connections to the punch-down block and sets. * Ensure the line connector (RJ11) is firmly seated. * Verify the wiring is correct. * Confirm that the phone model is supported by the gateway. * Check if the gateway is running the correct version of firmware. From the console, switch to Expert mode and press “F” to display the firmware version, or reboot the gateway and check the console for the firmware version. If the gateway is not running version 1.0.2.3, upgrade the firmware. * If the set is locked out, refer to the “SET LOCKED OUT” action.
  • E
    Erin NealAug 25, 2025
    Why does 'PIN then FEATURE' appear on Mitel Gateway display?
    • A
      Alex ThomasAug 25, 2025
      If “PIN then FEATURE” appears on the display of your Mitel Gateway phone, it indicates that the set has not been registered. To resolve this, register the phone. If registration fails, check that Option 129 on the DHCP server is pointing to the 3300 ICP controller. Also, ensure the extension number hasn't already been registered. If it has, register the phone using the Set Replacement code.
  • B
    Brandi HuntAug 27, 2025
    What does it mean when the Mitel Gateway display shows PBX xxxxxxx SET xxxxxxxxxxxx?
    • D
      David JohnsonAug 28, 2025
      If the display shows 'PBX xxxxxxx SET xxxxxxxxxxxx' on your Mitel Gateway, it means the set has lost network connectivity to the 3300 ICP. To resolve this, check the LAN cable, the Layer 2 switch port, and the network connection.
  • M
    Mark Pearson MDAug 30, 2025
    How to fix 'SET LOCKED OUT' error on Mitel Gateway?
    • H
      hendricksmelissaAug 30, 2025
      If “SET LOCKED OUT” appears on the display of your Mitel Gateway phone, it indicates that the device type of the DN entered does not match the phone. To resolve this: 1. Clear the “Lockout” condition by repowering the phone and pressing * when prompted to erase the PIN. 2. Do one of the following: * Correct the device type and then register the phone; or * Register the phone using a different DN with the right device type.
  • R
    Robert TurnerSep 2, 2025
    What does 'Info:nodeconfig : invalid' mean on Mitel Gateway startup?
    • C
      Christopher MaldonadoSep 2, 2025
      If, on startup, the console displays: Info:nodeconfig : invalid for your Mitel Gateway, it indicates that static IP addresses are conflicting with DHCP options. Check the DHCP server and gateway configuration settings to ensure that your DHCP settings do not conflict with your Static IP settings.
  • C
    Cynthia GonzalezSep 5, 2025
    What to do if the Service Required LED is ON on a Mitel Gateway?
    • S
      Sara TapiaSep 6, 2025
      If the Service Required LED is ON for your Mitel Gateway, it indicates that the FLASH has been corrupted. Reboot the gateway and check the console for the following error messages: ERROR: Header parse error ERROR: Application corrupt or not found. If found, follow the reflashing procedure provided on the 3300 ICP Release 4.1 software CD. If the problem persists, replace the unit.
  • L
    Luke AshleySep 8, 2025
    What does it mean if the Unit Function LED is not flashing on Mitel Gateway?
    • M
      Matthew SchmittSep 8, 2025
      If the Unit Function LED is not flashing on your Mitel Gateway, it means the unit has failed. Replace the unit.
  • M
    Monica WilsonSep 12, 2025
    Why are the System and Phone Power LEDs OFF on my Mitel Gateway?
    • E
      ericbyrdSep 12, 2025
      If the System and Phone Power LEDs are OFF on your Mitel Gateway, it indicates a faulty power supply or gateway unit. Replace the power supply or unit.
  • J
    Jennifer PerezNov 14, 2025
    Why does my Mitel Gateway phone remain in DHCP discovery?
    • W
      William FrederickNov 15, 2025
      If your Mitel Gateway phone remains in DHCP discovery, it could be due to a couple of reasons. First, the CITELlink Gateway might not have been assigned IP addresses. To resolve this, verify that Option 128, 129, and 130 are correctly programmed for your subnet on the DHCP server. Also, make sure the DHCP server has sufficient IP addresses available, is active, and functional. Finally, ensure the Layer 2 switch port for the gateway has network connectivity. Another potential cause is a lack of network connectivity. Check that a Cat 5 straight-through cable connects the MDI-II port on the gateway to a Layer 2 switch port. Ensure the switch port isn't shut down, shows link activity, and is configured to allow access to the DHCP server and the 3300 ICP controller. Connecting the gateway to a...

Summary

About Your Handset

About the Keys

Explains the function of different keys on the handset, including short and long press actions.

Features and Functions

Details the various features and functions available on the OP27 handset, such as phonebook and key lock.

Contacting Emergency Services

Provides guidance on using the handset for emergency calls and notes limitations.

Headset User Information

Offers advice and instructions for users who connect a headset to the OP27 handset.

Comfort and Safety

Provides advice on comfortable handset usage, such as avoiding cradling, and protecting hearing.

Feature Access Codes

Explains the use of access codes for certain features and advises consulting the system administrator.

Resilient 3300 ICP Systems Usage

Details behavior and indicators when the handset operates with a secondary 3300 ICP system.

Setting Up the Charger

Charger Location

Gives guidelines on selecting an appropriate and safe location for the charger.

Battery Pack Installation

Provides step-by-step instructions for inserting and removing the handset battery pack.

Connecting the Charger

Details how to connect the charger cable and adapter to a power source.

Battery Charging Procedures

Explains how to charge batteries, charging times, battery life, and charge level indicators.

Silent Charging Feature

Describes the Silent Charging feature, which redirects calls to another phone while charging.

Getting Started

Powering the Phone On;Off

Instructions on how to turn the OP27 handset on and off using the appropriate keys.

Display Indicators Explained

Explains the meaning of various icons displayed on the handset screen.

Navigating Menus

Explains how to navigate system, local settings, and call handling menus for feature activation and customization.

Customizing Your Phone

Changing Language Settings

Provides step-by-step instructions to change the handset display and system message language.

Adjusting Volume

Explains how to adjust the volume for earpiece, loudspeaker, and headset.

Setting Ringer Options

Details how to select melodies, notification types, and enable/disable buzzer or vibrator.

Setting User Name

Guide on how to program your name into the handset display using the keypad.

Adjusting Display Contrast

Step-by-step instructions on how to adjust the handset display contrast levels.

Using Handset Features

Managing Optional Features

Instructions for enabling or disabling optional features like Auto Key Lock, Key Click, Auto Answer, Silent Charging, and Coverage Warning.

Key Lock Operation

Explains how to lock and unlock the handset keypad to prevent accidental dialing.

Setting an Alarm

Details how to set, manage, and stop alarms for meetings or appointments.

SOS Key Usage

Guide on programming and using the SOS key for emergency number dialing.

Making and Answering Calls

Answering Incoming Calls

Instructions on how to answer incoming calls, including using the loudspeaker feature.

Handsfree Call Operation

Details how to use the handset for handsfree calls and switch to this mode.

System Phonebook Usage

Guide on accessing and using the system phonebook to find and call contacts.

Personal Phonebook Management

Instructions on adding, searching, and placing calls using the personal phonebook.

Redialing Numbers

Explains how to redial the last external number dialed using the handset.

Saved Number Redial

Instructions on saving and redialing internal or external numbers from the call history.

Speed Dialing

Details how to store and dial numbers using the personal speed dial feature.

Auto-Answer Feature

Instructions on enabling or disabling the auto-answer feature for calls when using a headset.

Call Handling

Placing Calls on Hold

Instructions on placing a call on hold and retrieving it from hold.

Transferring Calls

Details how to transfer active calls, including during headset operation.

Conference Calls

Guide on forming and leaving conference calls, and splitting calls.

Swapping Between Calls

Instructions on calling another party during a two-party call and alternating between parties.

Call Forward

Remote Call Forwarding

Instructions for forwarding calls from a remote station to your current location.

Call Forward End Chaining

Instructions on how to prevent calls from being forwarded again at the destination.

Callback Service

Explains how to request and cancel callback services when reaching busy or unanswered stations.

Messaging Callback

Details how to leave and respond to message waiting indications and check remote messages.

Using Advanced Features

Account Codes

Instructions on using forced account codes and entering them during a call.

Call Park

Details on how to retrieve a call that has been parked by the attendant.

Call Pickup

Explains how to answer calls ringing at other stations within your pickup group.

Camp-On Feature

Guide on how to camp-on to a busy station and retrieve a camp-on call.

Do Not Disturb

Instructions on activating and deactivating the Do Not Disturb feature.

Override Feature

How to use the Override feature when encountering busy or DND tones.

Timed Reminders

Details on how to program and manage timed reminders for appointments.

Group Paging and Meet Me Answer

Explains how to make group pages and respond to them using the Meet Me Answer feature.

Trunk Flash

Instructions on using the Trunk Flash feature to access Centrex features during an outside call.

Regulatory Approvals

Mitel 3300 Specifications

General IconGeneral
TypeIP PBX
VoicemailYes
SIP supportYes
ConnectivityEthernet
Supported ProtocolsSIP, H.323
Power SourceAC
CompatibilityMitel IP Phones, SIP Phones

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