Grandstream GXP1628 Small to Medium Business HD IP Phone

Grandstream GXP1628 is a powerful HD IP phone designed for small to medium-sized businesses that require reliable VoIP communication with enhanced network performance and productivity features. Built with dual Gigabit network ports, integrated Power over Ethernet (PoE), HD audio quality, and support for 2 SIP accounts, the GXP1628 delivers professional business communication with excellent call clarity and efficient desktop functionality. Featuring programmable BLF keys, 3-way conferencing, advanced security encryption, and easy deployment capabilities, this IP phone is ideal for office professionals, reception desks, and growing business environments.

Product Features

Dual SIP Accounts with 2 Line Keys

The GXP1628 supports up to 2 SIP accounts and 2 line appearances, enabling users to efficiently manage multiple calls and business communication workflows.

HD Audio for Professional Voice Clarity

HD wideband audio support on both the handset and full-duplex speakerphone provides clear and natural voice quality for professional business communication.

Dual Gigabit Ethernet Ports with Integrated PoE

Built with dual-switched Gigabit Ethernet ports and IEEE 802.3af PoE support, the phone ensures high-speed connectivity and simplified installation using a single network cable for power and data.

8 BLF and Speed Dial Keys

The phone includes 8 dual-color BLF and speed dial keys that allow users to monitor extension status and quickly access frequently contacted users.

3-Way Audio Conferencing

Integrated 3-way conferencing enables users to host small conference calls directly from the phone without requiring external conferencing systems.

Backlit Graphical LCD Display

A 132 x 48 backlit graphical LCD screen provides clear visibility for caller information, menus, call logs, and system settings.

Advanced Security and Encryption

Enterprise-grade security technologies including TLS and SRTP encryption help secure VoIP calls, SIP accounts, and communication data.

Automated Provisioning and Easy Deployment

The GXP1628 supports TR-069 provisioning, encrypted XML configuration files, and zero-configuration provisioning with Grandstream UCM IP PBX systems for simplified deployment and management.

Headset Compatibility with EHS Support

An RJ9 headset port with EHS support for compatible Plantronics headsets enables hands-free communication for improved productivity.

Product Specifications

• Product Name: Grandstream GXP1628 Small to Medium Business HD IP Phone
• Model: GXP1628
• Phone Type: Basic business SIP IP phone
• SIP Accounts: 2 SIP accounts
• Line Keys:
  • 2 dual-color line keys
• BLF Keys:
  • 8 dual-color BLF/speed dial keys
• Conferencing:
  • 3-way audio conferencing
• Display:
  • 132 x 48 pixel backlit graphical LCD
• Ethernet Ports:
  • 2 x 10/100/1000 Mbps Gigabit switched Ethernet ports
• PoE Support:
  • Integrated IEEE 802.3af PoE
• Audio Features:
  • HD handset audio
  • HD speakerphone audio
  • Full-duplex speakerphone
  • Acoustic echo cancellation
• Programmable Keys:
  • 3 XML programmable context-sensitive soft keys
• Headset Support:
  • RJ9 headset jack
  • EHS support for compatible Plantronics 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
• Compatibility:
  • Grandstream UCM IP PBX systems
  • Third-party SIP platforms
• Color: Black
• Warranty: Manufacturer limited warranty