Grandstream GXP1620 Basic IP Phone

Grandstream GXP1620 Basic IP Phone is a reliable and cost-effective VoIP desk phone designed for small businesses, startups, and office users who require dependable SIP communication with enhanced call handling capabilities. Featuring support for 2 SIP accounts, HD audio quality, dual Ethernet ports, and a backlit graphical LCD display, the GXP1620 delivers professional voice communication for light to medium call environments. With advanced security encryption, 3-way conferencing, and simple deployment options, this IP phone is ideal for organizations seeking an efficient and scalable business telephony solution.

Product Features

Dual SIP Accounts with 2 Line Keys

The GXP1620 supports up to 2 SIP accounts and 2 line appearances, enabling users to efficiently manage multiple calls and business communication workflows.

HD Audio Quality for Clear Communication

HD audio support on both the handset and full-duplex speakerphone delivers crystal-clear voice quality for professional business conversations and conference calls.

Backlit Graphical LCD Display

The 132 x 48 pixel backlit graphical LCD screen provides improved visibility for caller information, menus, call history, and phone settings in various office lighting conditions.

3-Way Audio Conferencing

Built-in 3-way conferencing functionality allows users to host conference calls directly from the phone without requiring external conferencing services.

Dual Switched Ethernet Ports

The phone includes dual 10/100 Mbps switched Ethernet ports for flexible network connectivity and simplified desktop deployment.

Programmable XML Soft Keys

Three XML programmable context-sensitive soft keys provide customizable access to frequently used functions and business applications.

Advanced Security and Encryption

Enterprise-grade security technologies including TLS and SRTP encryption help protect SIP accounts, call data, and business communications.

Automated Provisioning and Easy Deployment

Support for TR-069 provisioning, encrypted XML configuration files, and zero-configuration provisioning with Grandstream UCM IP PBX systems simplifies setup and centralized management.

Headset Compatibility for Office Productivity

An RJ9 headset port with EHS support enables compatibility with supported wired and wireless headsets for improved hands-free communication.

Product Specifications

• Product Name: Grandstream GXP1620 Basic IP Phone
• Model: GXP1620
• Phone Type: Basic SIP IP desk phone
• SIP Accounts: 2 SIP accounts
• Line Keys:
  • 2 dual-color line keys
• Conferencing:
  • 3-way audio conferencing
• Display:
  • 132 x 48 pixel backlit graphical LCD
  • 2.95-inch display
• Ethernet Ports:
  • 2 x 10/100 Mbps switched Ethernet ports
• PoE Support:
  • Not supported on standard GXP1620
• Audio Features:
  • HD handset audio
  • HD speakerphone audio
  • Full-duplex speakerphone
  • Acoustic echo cancellation
• Programmable Keys:
  • 3 XML programmable soft keys
  • 13 dedicated function keys
• Headset Support:
  • RJ9 headset jack
  • EHS support for compatible headsets
• Phonebook Capacity:
  • Up to 1000 contacts
• Call History:
  • Up to 200 records
• Security Features:
  • TLS encryption
  • SRTP encryption
  • HTTPS support
  • 802.1x media access control
  • AES encrypted configuration files
• Provisioning Support:
  • TR-069 auto provisioning
  • XML configuration files
  • Zero-configuration provisioning with Grandstream UCM PBX
• Supported Protocols:
  • SIP RFC3261
  • TCP/IP
  • RTP/RTCP
  • HTTP/HTTPS
  • DHCP
  • PPPoE
  • LDAP
  • STUN
• QoS Support:
  • Layer 2 QoS (802.1Q, 802.1p)
  • Layer 3 QoS (DiffServ, ToS, MPLS)
• Mounting Options:
  • Desktop installation
  • Wall mountable
• Dimensions:
  • 209 mm x 184.5 mm x 76.2 mm
• Weight:
  • Approx. 0.74 kg
• Power Input:
  • External power adapter
  • 100–240V AC input
• Color: Black
• Compatibility:
  • Grandstream UCM IP PBX systems
  • Third-party SIP platforms
• Warranty: Manufacturer limited warranty