Grandstream GXP1628 Small to Medium Business HD IP Phone

Grandstream GXP1628 is a powerful HD IP phone built for small to medium businesses that require a reliable and efficient voice solution. Equipped with dual SIP accounts, HD audio, and dual Gigabit Ethernet ports with PoE support, the GXP1628 ensures high-speed connectivity and exceptional call quality. Featuring a 132 x 48 backlit graphical LCD display, 8 dual-color BLF/speed-dial keys, and 3 XML programmable soft keys, this IP phone offers flexibility and ease of use for busy work environments.

Product Features

Dual SIP Line Support for Seamless Communication
With support for 2 SIP accounts and 2 line keys, the GXP1628 allows efficient call management, ideal for users who handle multiple simultaneous calls or shared extensions.

HD Audio for Crystal-Clear Voice Quality
Integrated wideband audio codecs including G.722 deliver superior sound clarity on both handset and speakerphone, improving overall communication quality in noisy office environments.

8 BLF/Speed-Dial Keys for Enhanced Productivity
Easily manage call flow and monitor extension statuses with 8 dual-color BLF (Busy Lamp Field) keys, which can also be programmed as speed dials for quick call access.

Gigabit Connectivity with Integrated PoE
The phone features dual 10/100/1000 Mbps Ethernet ports and PoE support, enabling seamless, high-speed connectivity with reduced cabling and simplified installations.

Comprehensive Telephony Features
Includes essential call features such as 3-way conferencing, call park and pickup, call forwarding, call waiting, and hot desking. Easily manage your contact list with downloadable phonebook support for up to 1000 entries.

Secure, Scalable Provisioning
Supports advanced encryption protocols including SRTP, TLS, and HTTPS. Zero-configuration with Grandstream UCM IP PBXs and TR-069 makes deployment and management effortless and secure.

RJ9 Headset Compatibility with EHS Support
The GXP1628 includes a dedicated RJ9 headset jack with Electronic Hook Switch (EHS) support, making it ideal for users who require hands-free operation.

Product Specifications

• 2 SIP accounts, 2 line keys with dual-color LED indicators
• 132 x 48 backlit graphical LCD display
• 3 XML programmable soft keys
• 8 dual-color BLF/speed-dial keys
• 5 navigation/menu keys
• 13 dedicated function keys including mute, transfer, headset, conference, intercom, redial, speakerphone, and more
• Wideband audio support: G.711μ/a, G.722, G.723, G.726-32, G.729 A/B, iLBC
• Dual auto-sensing 10/100/1000 Mbps Ethernet ports with integrated PoE
• HD audio on both handset and speakerphone
• RJ9 headset jack with EHS support
• Call history: up to 200 records
• Phonebook: up to 1000 contacts (XML/LDAP)
• Multi-language support: English, French, German, Spanish, Portuguese, Chinese, Japanese, and more
• Advanced QoS: Layer 2 (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS)
• Security: TLS, SRTP, HTTPS, 256-bit AES encrypted configuration files, 802.1x access control
• Firmware upgrade via TFTP, HTTP, HTTPS, provisioning via TR-069 or AES/FTP/FTPS
• Power: 100–240VAC input, 5VDC 600mA output; PoE IEEE 802.3af Class 2
• Dimensions: 220.5mm (L) x 192.5mm (W) x 76mm (H)
• Weight: Unit – 0.8kg; Package – 1.2kg