IP Phones and Terminals / Grandstream
GXP1628
The GXP1628 is a basic-mid-range IP phone within its series, designed for offices that require a stable device, with HD audio, speed dial support (BLF) and Gigabit ports with PoE, offering a good balance between cost and features.
Main features
- 2 lines / 2 SIP accounts
- Display: Backlit LCD 132 × 48 pixels
- HD audio in handset and speakerphone, full-duplex hands-free with echo cancellation
- 8 BLF keys / dual-color speed dial — useful for extensions, internal lines, or frequent dialing
- 3 programmable soft keys (contextual XML)
Dual-switched Gigabit Ethernet ports + integrated PoE - 3-way conferencing
- EHS (Electronic Hook-Switch) compatible with Plantronics headsets
- Phonebook for up to 1,000 contacts and call log for up to 200 entries
- Security: SIP/TLS, SRTP, AES-256, 802.1x
- Automatic provisioning: Zero-config with UCM series, TR-069, encrypted XML files, HTTP/HTTPS/TFTP
Technical specifications
SIP lines
2 lines / 2 SIP accounts
Screen
LCD 132×48 px (back-lit)
Audio
HD (headphones & speakers)
BLF keys
8 dual-color keys BLF/speed-dial
Soft keys
3 programmable XML keys
Conference
3-way
Network ports
2×Gigabit Ethernet + PoE
BLF / Speed Dial
Yes (8 keys)
Headset / EHS
Yes (RJ9, Plantronics EHS compatible)
Phonebook / History
Up to 1000 contacts, 200 recorded calls
Security
SIP/TLS, SRTP, AES-256, 802.1x
Provisioning
HTTP/HTTPS, TFTP, TR-069, Encrypted XML
About the brand
The GXP1628 is an ideal choice for small to medium-sized offices that want a high-performance IP phone (Gigabit, PoE, BLF, HD audio, easy provisioning) without going for a high-end model. It offers excellent value for money.

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