Grandstream GXP1628 Gigabit IP Phone
The Grandstream GXP1628 is a Gigabit PoE IP phone with 2 SIP accounts/2 lines, 8 dual‑color BLF/speed‑dial keys, HD wideband audio, dual‑switched Gigabit Ethernet with integrated PoE, EHS headset support, 3‑way conferencing, and robust VoIP features — ideal for small to medium business desktops, reception desks, and professional office deployments.
Description
Grandstream GXP1628 — 2‑Line Gigabit PoE IP Phone with BLF & HD Audio
Key Features :
2 SIP Accounts / 2 Lines: Supports two simultaneous SIP registrations and lines for flexible communication.
Backlit LCD Display: 132×48 backlit graphical screen for clear caller ID, menu navigation, and status.
Dual Gigabit Ethernet with PoE: Two auto‑sensing 10/100/1000 Mbps ports with IEEE 802.3af PoE support for simplified deployment.
8 Dual‑Color BLF/Speed‑Dial Keys: Dedicated Busy Lamp Field and speed‑dial keys with dual‑color LEDs for presence monitoring and quick dial actions.
HD Wideband Audio: High‑definition audio on both handset and speakerphone for clear voice quality.
3‑Way Audio Conferencing: Local multi‑party conferencing without extra hardware.
EHS Headset Support: Compatible with Plantronics EHS headsets for hands‑free use.
Programmable Soft Keys: 3 XML programmable context‑sensitive soft keys for customized feature access.
Security & Provisioning: SIP TLS/SRTP encryption, zero‑config with Grandstream UCM PBXs, TR‑069, and encrypted XML config options for secure deployment.
Contacts & History: Large phonebook (up to ~500–1000 contacts) and call history support (up to 200 records).
Technical Specifications :
Lines / SIP Accounts: 2 lines, 2 SIP accounts.
Display: 132×48 backlit graphical LCD.
Network: Dual 10/100/1000 Mbps Gigabit Ethernet ports with PoE (802.3af).
Audio Codecs: G.711µ/a, G.722 (wideband), G.726, G.723, G.729 A/B; echo cancellation, VAD, PLC.
BLF/Speed Dial: 8 dual‑color programmable keys.
Soft Keys: 3 XML programmable context‑sensitive.
Headset: RJ9 with EHS support for Plantronics headsets.
Telephony Features: Hold, transfer, forward, call park/pickup, shared call appearance (SCA/BLA), DND, voicemail access, click‑to‑dial, auto‑answer.
Security & Protocols: SIP (RFC3261), TLS/SRTP encryption, 802.1x, TR‑069, encrypted XML provisioning.
Conferencing: 3‑way local audio conferencing.
Contacts & Logs: Up to ~500–1000 contacts; call history up to ~200 records.
Mounting: Desktop stand included; wall‑mountable.
Technical Datasheet
You can download the full technical documentation for this product from the link below:
Download PDF Datasheet
