Grandstream GXP1628 2-Line Gigabit IP Phone 8 BLF Keys HD Audio PoE

Grandstream · IP Phones

Grandstream GXP1628 2-Line IP Phone, 8 BLF Keys, Dual Gigabit, PoE, HD Audio

Part number / SKU
GXP1628
  • 2x 10/100/1000 Mbps RJ45
  • PoE 802.3af or 5 V adapter
  • Desktop
$76.53

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Overview

What it is and who it is for

The Grandstream GXP1628 is a 2-line, 2 SIP account IP phone for small business users with 8 dual-color BLF/speed dial keys for watching the status of other extensions. It has a 132 x 48 backlit graphical LCD and 3 XML programmable soft keys.

It is the Gigabit model of the GXP16xx family: dual switched 10/100/1000 Mbps ports with built-in PoE (IEEE 802.3af Class 2, 3.84 to 6.49 W), plus a universal 5 V power supply in the box. Audio features include HD audio on the handset and speakerphone, G.722 wideband and 3-way conferencing.

Provisioning works through TR-069 or AES-encrypted XML, with zero-config on Grandstream UCM series IP PBXs.

  • Best for: small business users who monitor colleagues with BLF keys and need Gigabit pass-through.
  • System fit: standard SIP (RFC3261) platforms and IP PBXs; zero-config with Grandstream UCM series.
  • Important to know: the GXP1628 has 2 SIP accounts; for 3 accounts and 4-way conferencing see the GXP1630.

Why teams choose it

Built for reliable networks

  • 8 BLF keys

    dual-color BLF/speed dial keys for extension status.

  • Gigabit ports

    dual 10/100/1000 Mbps switched ports for the phone and a PC.

  • PoE powered

    IEEE 802.3af Class 2, 3.84 to 6.49 W.

  • HD audio

    full HD sound on handset and full duplex speakerphone.

Specifications

Technical specifications

General
Brand Grandstream
Model GXP1628
Series GXP16xx basic IP phones
Device Type SIP desk phone
SIP Accounts 2
Lines 2, up to 2 call appearances
Form Factor Desktop
Display
Display Type Backlit graphical LCD
Resolution 132 x 48
Interfaces
Ethernet Ports 2x 10/100/1000 Mbps RJ45
Headset Port RJ9 with EHS for Plantronics
Line Keys 2 with dual-color LED
BLF Keys 8 dual-color BLF/speed dial
Soft Keys 3 XML programmable, context sensitive
Audio
Voice Codecs G.711 µ/a, G.722, G.726-32, G.729A/B
DTMF In-audio, RFC2833, SIP INFO
Audio Processing VAD, CNG, AEC, PLC, AJB, AGC
Speakerphone Full duplex HD speakerphone
Conference 3-way conference
Performance
Phonebook Up to 500 entries, XML or LDAP
Call Log Up to 200 records
Telephony Features Hold, transfer, forward, call park, call pickup, call waiting, auto answer, click-to-dial, flexible dial plan, hot-desking, server failover
Power
Power Method PoE 802.3af or 5 V adapter
PoE 802.3af Class 2, 3.84 to 6.49 W
Power Adapter 100 to 240 V AC in, 5 V DC 600 mA out
Physical
Dimensions 220.5 x 192.5 x 76 mm with handset
Weight 0.8 kg
Environmental
Operating Temperature 0 to 40 °C (32 to 104 °F)
Storage Temperature -10 to 60 °C (14 to 140 °F)
Operating Humidity 10 to 90% non-condensing
Software and Management
Provisioning TR-069 or AES-encrypted XML; zero-config with Grandstream UCM IP PBXs
Firmware Upgrade TFTP, HTTP, HTTPS
Protocols SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069, 802.1x, TLS, SRTP
QoS Layer 2 802.1Q, 802.1p; Layer 3 ToS, DiffServ, MPLS
Security User and admin access control, MD5 and MD5-sess authentication, 256-bit AES encrypted config file, TLS, SRTP, HTTPS, 802.1x
Listings and Approvals
Certifications FCC Part 15 Class B, CE, RCM

In the box

  • GXP1628 phone
  • Handset with cord
  • Base stand
  • Universal power supply
  • Network cable
  • Quick Installation Guide