The Grandstream GRP2612W is an advanced model in the GRP2600 series of IP phones, designed to meet the needs of modern business environments with a focus on ease of use, flexibility, and reliable performance. Unlike the wired versions, the GRP2612W offers wireless connectivity, adding an extra layer of convenience and installation flexibility.

Key Features:

1. Display and Interface:

   • Screen: 2.4-inch color LCD display with a resolution of 320x240 pixels, providing a clear and vibrant interface for navigating menus, viewing call information, and managing contacts.
   • Buttons: Features 2 programmable line keys with LED indicators, which can be customized for various functions such as line appearances, speed dialing, and Busy Lamp Field (BLF) monitoring.

2. Audio Quality:

   • Codecs: Supports high-definition (HD) voice with the G.722 codec, in addition to standard codecs like G.711, G.729, and G.726. This ensures high-quality audio communication.
   • Speaker and Microphone: Full-duplex speakerphone with a high-quality microphone for effective hands-free communication.

3. Connectivity:

   • Network Ports: Includes two 10/100 Mbps Ethernet ports – one for network connectivity and one for connecting a PC.
   • Wireless: Supports Wi-Fi (IEEE 802.11 b/g/n), allowing for flexible placement without the need for Ethernet cabling. This is ideal for environments where wired connections are impractical or where wireless networking is preferred.
   • Power over Ethernet (PoE): Does not support PoE as it is designed to be powered via an external power adapter.

4. Call Management:

   • Features: Offers essential call management functionalities such as call hold, call transfer, call forward, and call waiting.
   • Directories: Includes local directories and call history, facilitating easy access to contacts and recent calls.

5. SIP Support:

   • SIP Accounts: Supports up to 2 SIP accounts, enabling users to manage multiple lines or extensions.
   • SIP Protocols: Compatible with standard SIP protocols for broad interoperability with various VoIP services and systems.

6. User Interface:

   • Menu: Features an intuitive menu system for straightforward setup and daily use.
   • Languages: Supports multiple languages, making it adaptable for different regions.

7. Additional Features:

   • Firmware: Firmware is upgradeable, allowing for future updates and enhancements.
   • Wall Mountable: Although primarily designed for desktop use, it can be wall-mounted if required using an appropriate mount.