The Grandstream GXP2160 is a high-performance IP phone designed for business environments that require advanced features, multiple lines, and superior audio quality. It is part of the Grandstream GXP series, which is known for providing reliable and feature-rich communication solutions. Here’s a detailed overview of the Grandstream GXP2160:

Key Features:

1. Display and Interface:

   • Screen: 4.3-inch color LCD display with a resolution of 480x272 pixels, providing a clear and vibrant interface for call management, contacts, and menu navigation.
   • Buttons: Features 24 programmable line keys with dual-color LED indicators, allowing for extensive customization and management of multiple lines, speed dial, or Busy Lamp Field (BLF) monitoring.
   • Navigation: Includes a 5-way navigation key and dedicated function keys for easy access to phone settings and features.

2. Audio Quality:

   • Codecs: Supports high-definition (HD) voice with the G.722 codec, as well as standard codecs like G.711, G.729, and G.726 for superior audio clarity.
   • Speaker and Microphone: Full-duplex speakerphone with high-quality microphone, providing clear and reliable hands-free communication.

3. Connectivity:

   • Network Ports: Two 10/100/1000 Mbps Ethernet ports – one for connecting to the network and one for connecting a PC, ensuring high-speed network performance.
   • Power over Ethernet (PoE): Supports PoE (IEEE 802.3af), allowing the phone to receive power through the Ethernet cable, simplifying installation and reducing cable clutter.

4. Call Management:

   • Features: Provides advanced call management functionalities including call hold, call transfer, call forward, call waiting, and 5-way conferencing.
   • Directories: Includes local directories, call history, and support for LDAP directories, enabling integration with directory services for easier contact management.

5. SIP Support:

   • SIP Accounts: Supports up to 6 SIP accounts, allowing users to handle multiple lines or extensions efficiently.
   • 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 easy setup and daily operation.
   • Languages: Supports multiple languages, making it suitable for use in various regions.

7. Additional Features:

   • Firmware: Firmware is upgradeable, allowing for updates and new features to be added over time.
   • Wall Mountable: The phone can be mounted on a wall if needed, offering flexible installation options.
   • Expansion Capabilities: Compatible with Grandstream’s GXP2200EXT expansion module for additional programmable keys.