1. Introdução
Thank you for choosing the Mitel 5312 IP Telephone. This manual provides essential information for the proper installation, operation, and maintenance of your device. The Mitel 5312 IP Phone is designed for business environments and requires connection to a Mitel Networks 3300 Integrated Communications Platform (ICP), release 3.3 or higher. This product is a renewed item, meaning it has been professionally inspected and tested to work and look like new. It is not suitable for home use.
2. Conteúdo da embalagem
Please verify that all items listed below are included in your package. If any items are missing or damaged, please contact your supplier.
- Mitel 5312 IP Telephone Unit
- Aparelho portátil
- Cabo espiralado do aparelho
- Cabo Ethernet (RJ45)
- Desk Stand / Base

Figure 2.1: Contents of the Mitel 5312 IP Telephone package, including the phone unit, handset, coiled cord, Ethernet cable, and desk stand.
3. Configuração e instalação
Follow these steps to set up your Mitel 5312 IP Telephone.
3.1 Attaching the Desk Stand
- Align the tabs on the desk stand with the corresponding slots on the bottom of the telephone unit.
- Gently push the stand into place until it clicks securely.

Figure 3.1: The Mitel 5312 IP Telephone securely placed on its desk stand, ready for connection.
3.2 Conectando o aparelho
- Plug one end of the coiled handset cord into the handset.
- Plug the other end of the coiled handset cord into the port labeled with a handset icon on the side of the telephone unit.
3.3 Connecting to the Network (PoE)
The Mitel 5312 IP Telephone is designed to be powered via Power over Ethernet (PoE). A separate power supply is not included and typically not required if your network switch supports PoE.
- Connect one end of the provided Ethernet cable to the LAN port on the back of the telephone unit.
- Conecte a outra extremidade do cabo Ethernet a um switch de rede com PoE ou a um injetor PoE.
- The phone will power on automatically and begin the boot-up process. This may take a few moments.
4. Instruções de operação
This section covers the basic functions and features of your Mitel 5312 IP Telephone.

Figura 4.1: Overview of the Mitel 5312 IP Telephone's interface, highlighting the display, programmable feature keys, and numeric keypad.
4.1 Funções básicas de chamada
- Fazer uma chamada: Lift the handset or press the Speaker button. Dial the desired number using the numeric keypad.
- Atender uma chamada: Quando o telefone tocar, levante o fone ou pressione o botão do viva-voz.
- Finalizando uma chamada: Recoloque o aparelho ou pressione o botão do alto-falante novamente.
4.2 Keypad and Feature Buttons
The Mitel 5312 features a standard numeric keypad and several dedicated function buttons:
- Teclas Programáveis: The vertical row of buttons next to the display are programmable keys. Their functions are typically configured by your system administrator and may include speed dials, line appearances, or feature access.
- Controle de volume: Use o Setas para cima/para baixo near the display to adjust handset, speaker, or ringer volume.
- Palestrante: Toggles the speakerphone on/off.
- Mudo: Mutes your microphone during a call. The other party cannot hear you.
- Segurar: Coloca a chamada atual em espera.
- Transferência: Initiates a call transfer.
- Remarcação: Disca o último número chamado.
- Mensagem: Accesses your voicemail system. The phone has a digital answering system with 18 minutes recording capacity.
5. Manutenção e Cuidados
Proper care will ensure the longevity and optimal performance of your Mitel 5312 IP Telephone.
- Limpeza: Use um pano macio e levementeamp cloth to clean the exterior surfaces of the phone. Do not use abrasive cleaners, solvents, or strong chemicals.
- Evite líquidos: Keep the phone away from liquids and excessive moisture.
- Temperatura: Operate the phone within normal office temperature ranges. Avoid extreme heat or cold.
- Manuseio: Manuseie o telefone com cuidado. Evite deixá-lo cair ou submetê-lo a impactos fortes.
6. Solução De Problemas
This section addresses common issues you might encounter with your Mitel 5312 IP Telephone.
6.1 No Dial Tone / No Power
- Check Ethernet Cable: Ensure the Ethernet cable is securely connected to both the phone's LAN port and the PoE-enabled network switch/injector.
- Verify PoE: Confirm that the network port you are connected to provides Power over Ethernet. If not, a separate PoE injector or power supply (not included) will be required.
- Conectividade de rede: Contact your IT administrator to verify network connectivity and PoE status for your port.
6.2 Botões não respondem
- Reiniciar o telefone: Disconnect the Ethernet cable for 10 seconds, then reconnect it to restart the phone.
- Botões limpos: Ensure no debris is lodged around the buttons.
6.3 Qualidade de chamada ruim
- Congestionamento de rede: Poor call quality can often be related to network issues. Contact your IT administrator.
- Handset/Cord: Check if the handset cord is securely connected. Try another handset if available to rule out a faulty handset.
For persistent issues or network-related problems, please contact your IT department or system administrator.
7. Especificações
| Recurso | Descrição |
|---|---|
| Modelo | Telefone IP Mitel 5312 |
| Fabricante | MITEL |
| Tipo de telefone | Corded |
| Fonte de energia | Elétrico com fio (PoE) |
| Tipo de discador | Teclado único |
| Tipo de sistema de atendimento | Digital |
| Capacidade de Gravação | 18 minutos |
| Identificação de chamadas | Não |
| UPC | 683193500764 |
| Compatibilidade | Mitel Networks 3300 Integrated Communications Platform (ICP), release 3.3 or higher |
8. Garantia e Suporte
As a renewed product, the Mitel 5312 IP Telephone is covered by the Garantia Amazon RenewedSe você não estiver satisfeito com sua compra, os produtos renovados são elegíveis para substituição ou reembolso de acordo com esta garantia.
For technical support related to the phone's integration with your network or PBX system, please contact your organization's IT department or your Mitel service provider.