The Grandstream GXP1628 is a feature-rich entry-level Gigabit IP phone designed for small to medium businesses, office communication, and SIP-based VoIP systems.

It builds on the GXP1625 series by adding Gigabit network speed and integrated PoE, making it ideal for users who need faster connectivity, reliable HD audio, and essential business call features.

Key Features

2 SIP accounts / 2 line support

132 × 48 backlit graphical LCD display (clear call interface)

HD audio on handset and speakerphone for clear communication

8 dual-color BLF / speed dial keys for quick access

Full-duplex speakerphone with echo cancellation

3-way audio conferencing support

3 XML programmable soft keys

Dual Gigabit Ethernet ports (10/100/1000 Mbps)

Integrated Power over Ethernet (PoE IEEE 802.3af)

RJ9 headset support with EHS compatibility

Up to 1000 contacts phonebook support

Call history up to 200 records

Secure communication with TLS & SRTP encryption