Grandstream GXP1628 Small to Medium Business HD IP Phone

Grandstream GXP1628 Small to Medium Business HD IP Phone is a professional VoIP communication solution designed for businesses that require dependable voice quality, advanced networking capabilities, and efficient call management. Equipped with 2 SIP accounts, dual Gigabit Ethernet ports, integrated Power over Ethernet (PoE), HD audio technology, and programmable BLF keys, the GXP1628 delivers enhanced productivity and seamless communication for office environments. Its user-friendly interface, enterprise-grade security, and flexible deployment options make it an excellent choice for small and medium-sized businesses seeking reliable IP telephony.

Product Features

HD Audio for Exceptional Voice Clarity

The GXP1628 features HD wideband audio on both the handset and full-duplex speakerphone, ensuring crystal-clear voice communication. This enhanced audio quality improves conversation clarity and reduces communication errors during business calls.

Dual Gigabit Ethernet Ports

Unlike standard Fast Ethernet phones, the GXP1628 includes dual auto-sensing Gigabit Ethernet ports, providing high-speed network connectivity for modern business environments and supporting bandwidth-intensive applications.

Integrated Power over Ethernet (PoE)

Built-in PoE support enables both power and network connectivity through a single Ethernet cable. This simplifies installation, reduces cable clutter, and lowers deployment costs.

Support for 2 SIP Accounts and 2 Lines

The phone supports up to two SIP accounts and two line appearances, allowing users to manage multiple business extensions and communication channels efficiently.

8 Programmable BLF and Speed-Dial Keys

Eight dual-color BLF (Busy Lamp Field) keys can be configured for speed dialing, call monitoring, presence indication, and other frequently used functions, helping users improve workflow and responsiveness.

Backlit Graphical LCD Display

The 132 x 48 pixel backlit display provides clear visibility of caller information, call status, contacts, and menu options, making daily phone operations simple and intuitive.

3-Way Audio Conferencing

Built-in 3-way conferencing capabilities allow users to conduct collaborative discussions without requiring external conferencing systems, improving team communication and productivity.

Advanced Security and Network Protection

The GXP1628 incorporates enterprise-grade security technologies including TLS, SRTP, HTTPS provisioning, AES-encrypted configuration files, and 802.1x authentication to protect voice communications and network access.

Easy Provisioning and Centralized Management

Support for automated provisioning via TR-069, HTTP, HTTPS, TFTP, and encrypted XML configuration files simplifies deployment and device management across multiple locations.

Product Specifications

• Model: Grandstream GXP1628
• Phone Type: HD IP Phone
• SIP Accounts: 2
• Lines: 2
• Display: 132 x 48 Backlit Graphical LCD
• Ethernet Ports: Dual 10/100/1000 Mbps Gigabit Ethernet Ports
• Power over Ethernet: Yes (802.3af PoE)
• Audio: HD Handset and HD Full-Duplex Speakerphone
• BLF Keys: 8 Dual-Color Programmable BLF/Speed-Dial Keys
• Conferencing: 3-Way Audio Conferencing
• Headset Port: RJ9
• Programmable Soft Keys: 3 XML Programmable Soft Keys
• Phonebook Capacity: Up to 1,000 Contacts
• Call History: Up to 200 Records
• Voice Codecs: G.711, G.722, G.723, G.726, G.729A/B, iLBC
• Security Features: TLS, SRTP, HTTPS, AES Encryption, 802.1x
• QoS Support: Layer 2 and Layer 3 QoS
• Network Protocols: SIP, TCP/IP, UDP, RTP, RTCP, DHCP, HTTP, HTTPS, LDAP, TR-069
• Wall Mountable: Yes
• Power Supply: 5V DC Adapter (Optional when using PoE)
• Maximum Power Consumption: Approximately 2.5W
• Dimensions: 209 x 184.5 x 76.2 mm
• Weight: Approximately 0.74 kg
• Operating Temperature: 0°C to 40°C
• Storage Temperature: -10°C to 60°C