1. Introdución
The Grandstream GXP2100 is an enterprise-grade IP phone designed for business communication. It features support for four lines, a backlit graphical LCD, and various programmable keys to enhance user experience. This manual provides detailed instructions for the installation, configuration, and operation of your GXP2100 IP phone.
2. Contido do paquete
Upon unpacking your Grandstream GXP2100, verify that all items are present and in good condition. The standard package typically includes:
- Unidade de teléfono IP Grandstream GXP2100
- Auricular con cable en espiral
- Soporte para teléfono
- Cable Ethernet
- Adaptador de alimentación
- Quick Installation Guide (this manual provides more detail)

Image 2.1: Grandstream GXP2100 IP Phone unit, handset, coiled cord, power adapter, Ethernet cable, and quick start guide, displayed with its retail packaging.
3. Características do produto
The GXP2100 IP phone offers a range of features designed for efficient business communication:
- Teclas de liña: 4 dual-color line keys supporting up to 4 SIP accounts.
- Teclas programables: 3 XML programmable context-sensitive soft keys for dynamic functions.
- BLF Extension Keys: 7 dual-color BLF (Busy Lamp Field) extension keys, supporting up to 11 call appearances.
- Conferencia telefónica: Up to 5-way conference capability.
- Calidade de audio: HD wideband audio and a superb full-duplex hands-free speakerphone with advanced acoustic echo cancellation.
- Conectividade de rede: Dual network ports with integrated Power over Ethernet (PoE).
- Axenda telefónica: Automated phone book synchronization with directory servers using XML.
- Aplicacións: Integrado en tempo real web applications (e.g., weather, stock, currency, RSS news).
- Seguridade: Advanced security protection for privacy.
- Implantación: Supports automated provisioning for easy deployment.

Imaxe 3.1: Fronte view of the Grandstream GXP2100 IP Phone, highlighting the display, keypad, and function buttons.
4. Configuración
4.1 Conexión física
Follow these steps to connect your GXP2100 IP phone:
- Conecta o teléfono: Plug the coiled cord into the handset port on the side of the phone and into the handset.
- Connect the Headset (Optional): If using a headset, plug it into the dedicated headset port.
- Conectarse á rede:
- If using PoE: Connect one end of the Ethernet cable to the LAN port on the phone and the other end to a PoE-enabled switch or hub.
- If not using PoE: Connect one end of the Ethernet cable to the LAN port on the phone and the other end to your network switch/router. Then, connect the power adapter to the phone's power jack and to an electrical outlet.
- Conectar ao PC (opcional): If you wish to connect a computer through the phone, connect an Ethernet cable from the PC port on the phone to your computer's Ethernet port.

Imaxe 4.1: Lateral view of the Grandstream GXP2100 IP Phone, showing the various connection ports for handset, headset, LAN, and PC.
4.2 Configuración inicial
After physical connection, the phone will attempt to obtain an IP address via DHCP. You can access the phone's web configuration interface for detailed setup:
- Obter o enderezo IP: Preme o Menú button on the phone, navigate to Estado, entón Estado da rede to find the phone's IP address.
- Acceso Web Interface: Abrir a web browser on a computer connected to the same network and enter the phone's IP address in the address bar.
- Iniciar sesión: Enter the administrator username and password (default values are typically 'admin' for both, refer to your network administrator or Grandstream documentation for specific defaults).
- Configure SIP Accounts: Navega ata o Contas section to configure your SIP account details provided by your VoIP service provider. This includes SIP Server, SIP User ID, Authenticate ID, and Password.
- Save and Apply: After making changes, save and apply the configuration. The phone may reboot.
5. Instrucións de funcionamento
5.1 Funcións de chamada básicas
- Facendo unha chamada:
- Colle o auricular, prema Orador button, or press an available Liña chave.
- Marque o número desexado.
- Preme o ENVIAR button or wait a few seconds for automatic dialing.
- Respondendo a unha chamada:
- Colle o auricular.
- Preme o parpadeante Liña chave.
- Preme o Orador botón.
- Finalizando unha chamada: Colgue o auricular ou prema o Orador button if using speakerphone.
5.2 Advanced Call Functions
- Manter: Durante unha chamada activa, prema o botón ATENCIÓN button. The line key will flash. To resume, press the flashing Liña chave.
- Transferencia:
- Durante unha chamada activa, prema o botón TRANSFERENCIA soft key. The active call will be put on hold.
- Marque o número ao que desexa transferir a chamada.
- Preme o TRANSFERENCIA soft key again to complete the transfer (blind transfer) or wait for the party to answer and announce the call before pressing TRANSFERENCIA (traslado asistido).
- Conferencia:
- Durante unha chamada activa, prema o botón CONF soft key. The active call will be put on hold.
- Dial the number of the next participant and press ENVIAR.
- Unha vez que a segunda parte responda, prema o botón CONF soft key again to establish the conference call. Repeat for additional participants (up to 5-way).
- Silenciar: Preme o MUTO botón para silenciar o micrófono durante unha chamada. Prema de novo para activar o son.
- Altavoz: Preme o Orador button to toggle speakerphone mode on or off.
- Claves BLF: The BLF (Busy Lamp Field) keys can be programmed to monitor the status of other extensions. A green light indicates idle, red indicates busy, and flashing red indicates ringing. Pressing a BLF key can initiate a call to that extension or pick up a ringing call.
- Teclas programables: The three soft keys below the LCD display change their function based on the phone's current state (e.g., during a call, idle, or in a menu). Their current function is displayed on the LCD directly above them.
6. Mantemento
- Limpeza: Usa un pano suave e seco para limpar a superficie do teléfono. Evita produtos de limpeza ou solventes abrasivos.
- Actualizacións de firmware: Grandstream periodically releases firmware updates to improve performance and add features. Firmware updates are typically performed via the phone's web interface. Consult your network administrator or Grandstream's official support resources for the latest firmware and update procedures. Manual firmware updates often require downloading files from the manufacturer and hosting them on a local web servidor.
- Condicións ambientais: Operate the phone within recommended temperature and humidity ranges to ensure optimal performance and longevity.
7 Solución de problemas
This section addresses common issues you might encounter with your GXP2100 IP phone.
| Problema | Causa posible | Solución |
|---|---|---|
| O teléfono non se acende. | No power from adapter or PoE switch. |
|
| Sen ton de chamada / Non se poden facer nin recibir chamadas. | Network connectivity issue, SIP account not registered, incorrect configuration. |
|
| One-way audio (you can hear, but the other party cannot, or vice-versa). | Network firewall/NAT issues, incorrect audio codec settings. |
|
| Phone frequently loses registration. | Unstable network connection, SIP server issues, incorrect registration expiration. |
|
8. Especificacións
Key technical specifications for the Grandstream GXP2100 IP Business Phone:
| Atributo | Valor |
|---|---|
| Número de modelo | GXP2100 |
| Marca | Grandstream |
| Dimensións do produto (L x W x H) | 8.7 x 8.3 x 3.6 polgadas |
| Peso do elemento | 2.4 libras |
| Cor | Gris |
| Tipo de teléfono | Con cordo |
| Fonte de enerxía | Cable eléctrico (compatible con PoE) |
| Tipo de marcador | Teclado único |
| Tipo de contestador automático | Dixital |
| Capacidade de chamadas de conferencia | 5 vías |
| Operación multilínea | Multi-Line Operation (4 lines) |
| ASIN | B004PAS3SM |
| Data de primeira dispoñibilidade | 9 de febreiro de 2011 |
9. Garantía e soporte
Para obter información sobre a garantía, asistencia técnica ou máis axuda co seu teléfono IP Grandstream GXP2100, consulte a páxina oficial de Grandstream. website or contact your product vendor. Keep your purchase receipt and product serial number handy when seeking support.
Official Grandstream Websitio: www.grandstream.com





