- General Information
 - Manufacturer
 - Grandstream Networks, Inc
 
- Manufacturer Website Address
 - http://www.grandstream.com
 
- Brand Name
 - Grandstream
 
- Product Series
 - GXP
 
- Product Type
 - IP Phone
 
The GXP1628 is a powerful Gigabit IP phone designed for small businesses. This Linux-based, 2-line IP Phone model includes 8 BLF keys and 3-way conferencing to keep workers in-touch and productive. A 132x48 backlit LCD screen creates a clear display for easy viewing. Additional features such as dual HD audio, multi-language support, integrated PoE and 3 XML programmable allow the GXP1628 to be a high quality, versatile and dependable office phone.
- Technical Information
 - Base Unit Connectivity Technology
 - Corded
 
- IP Phone Technology
 - VoIP
 
- Total Number of Phone Lines
 - 2
 
- Speakerphone
 - Yes
 
- Interfaces/Ports
 - Network (RJ-45)
 - Yes
 
- PoE (RJ-45) Port
 - Yes
 
- Management & Protocols
 - Communication Protocols
 - SIP
 
- TCP
 
- UDP
 
- RTP
 
- RTCP
 
- ARP
 
- ICMP
 
- DHCP
 
- PPPoE
 
- NTP
 
- STUN
 
- LLDP-MED
 
- LDAP
 
- TLS
 
- SRTP
 
- RARP
 
- Power Description
 - Power Source
 - AC Adapter
 
- Physical Characteristics
 - Product Color
 - Black
 
- Form Factor
 - Wall Mountable
 
- Height
 - 3"
 
- Width
 - 7.6"
 
- Weight (Approximate)
 - 1.76 lb
 
- Miscellaneous
 - Country of Origin
 - China