Grandstream GXP1628 Small-Medium Business HD IP Phone

The GXP1628 is a powerful IP phone for small-to-medium
businesses (SMBs). This Linux-based model includes 2 lines, 3 XML programmable
soft keys, 8 BLF keys and 3-way conferencing. A 132x48 backlit LCD screen
creates a clear display for easy viewing. Additional features such as dual
switched gigabit network ports, HD audio, multi-language support, integrated
PoE, and call-waiting allow the GXP1628 to be a high quality, versatile and
dependable office phone.

132 x
48 backlit LCD display

2
dual-color line keys (with 2 SIP accounts and up to 2 call appearances), 3 XML
programmable context-sensitive soft keys, 8 BLF keys, 3-way conference,
multi-language support

Dual-switched
Gigabit network ports, integrated PoE, HD wideband audio, full-duplex
hands-free speakerphone with advanced acoustic echo cancellation, Electronic Hook
Switch (EHS) with Plantronics headsets

Power
Supply included

Grandstream
GXP1628 Specifications

Protocols/Standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS (A record,
SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069,
802.1x, TLS, SRTP
Network Interfaces
Dual switched auto-sensing 10/100/1000 Mbps Ethernet ports, integrated PoE
Graphic Display
132 x 48 backlit graphical LCD display
Feature Keys
2 line keys with dual-color LED and 2 SIP accounts. 3 XML programmable context
sensitive soft keys.5 (navigation, menu) keys. 13 dedicated function keys
Voice Codecs
Support for G.711μ/a, G.722 (wide-band), G.723(pending), G.726-32, G.729
A/B, in-band and out-of-band DTMF (In audio, RFC2833, SIP INFO)
Headset Jack
RJ9 headset jack (allowing EHS with Plantronics headsets)
HD Audio
Yes, HD handset and speakerphone with support for wideband audio
QoS
Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS
Security
User and administrator level access control, MD5 and MD5-sess based
authentication, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS,
802.1x media access control