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The GXP1628 is a standard Grandstream IP Phone designed for small businesses. Based on Linux, it offers 2 SIP lines, 3 programmable XML keys, 8 programmable BLF keys, HD audio, and 3-way conferencing. It includes a 132 × 48 LCD display for clear visibility and dual Gigabit network ports with built-in PoE. It supports multiple languages, Plantronics EHS, call waiting, and a downloadable phonebook — making it a reliable, easy-to-use, and high-quality IP phone.
Key Features
- 2 lines (SIP accounts), 3 programmable XML keys, and 3-way conferencing.
- 8 programmable BLF extension keys.
- 132 × 48 graphic LCD display.
- HD audio for crystal-clear communication.
- Dual Gigabit network ports with integrated PoE.
Telephony Features
Hold, transfer, forward (unconditional/no answer/busy), 3-way conference, call park/pickup, downloadable phonebook (XML, LDAP, up to 500 contacts), call waiting, call history (200 records), auto-dial, auto-answer, click-to-dial, flexible dial plan, hot desking, personalized ringtones, server redundancy, and fail-over support.
Codecs
G.711 µ/a, G.722 (wideband), G.723 (pending), G.726-32, G.729 A/B, DTMF (in-band, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC.
Interfaces
- Dual-switched Gigabit Ethernet ports with auto-sensing.
- RJ9 headset jack (supports EHS with Plantronics headsets).
Security and QoS
User and admin-level access control, MD5/MD5-sess authentication, AES-256 configuration encryption, TLS, SRTP, HTTPS, and 802.1x. Layer 2 QoS (802.1Q/802.1P) and Layer 3 QoS (ToS, DiServ, MPLS).
Physical and Electrical Features
- Universal power supply: 100–240 VAC 50–60 Hz / Output: 5 VDC, 600 mA.
- PoE 802.3af Class 2 (3.84–6.49 W).
- Desk or wall mountable.
- Dimensions: 222.5 × 208.5 × 76.2 mm.
- Weight: 0.8 kg • Operating temperature: 0–40 °C.
Package Contents
GXP1628 phone, handset with cord, stand, universal power adapter, network cable, Quick Installation Guide, brochure, and GPL license.
*1-year warranty.
Video: Watch demonstration on YouTube
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