The GXP1620 IP Phone is a next generation small-to-medium business (SMB) phone that features 2 lines with 2 SIP accounts that, combined with a hosted V2VIP™ Calling Plan, delivers superior HD audio quality, rich and leading edge telephony features. The GXP1620 ships pre-configured and includes a graphical LCD, dual network ports, and 3-way conference. It’s a perfect choice for SMBs looking for a high quality, easy-to-use IP phone at an affordable price.—$47.99
2-line phone
2 SIP accounts
HD wideband audio
132×64 Graphical LCD Display
Full-duplex hands-free Speakerphone
Dual-switched 10/100 Mbps Ethernet ports
EHS support for Plantronics headsets (RJ9)
8 BLF keys, 5 (navigation/menu) keys, 13 function keys
3 XML programmable context-sensitive soft keys

The GXP1620 VoIP Phone features HD Audio quality with additional support for the G.722 Wideband codec. It also boasts an HD Audio speakerphone with advanced acoustic echo cancellation, personalized information and customizable application service, and advanced security protection for privacy. GXP1620 is perfectly positioned for small businesses.
Main Features
- SIP Compliant and Protocols—SIP RFC3261, TCP/IP/UDP, RTP, HTTP/HTTPS, ARP/RARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, TELNET, TFTP, NTP, STUN, SIMPLE, TR-069, 802.1x, TLS, SRTP
- Network Interfaces—Dual switched 10/100 Mbps ports
- Voice Codecs—Support for G.723, G.729A/B, G.711u/a, G.726-32, G.722 (wide-band), iLBC, in-band and out-of-band
- Upgrade and Provisioning—Firmware upgrade via TFTP/HTTP/HTTPS, mass provisioning using TR-069 or 256-bit encrypted XML configuration file
- HD Audio—Handset and Speakerphone
- Audio Quality—Volume control / decibel level adjustments for handset, speaker, ringer. Advanced Auto Echo Cancellation. DTMF: In-Band, RFC2833, SIP Info
- Feature Keys—2 line keys with dual-color LED and 2 independent SIP accounts, 3 XML programmable context sensitive soft keys, 5 (navigation/menu) keys, 8 dual-colored BLF keys, 13 dedicated function keys for: Hold, Speakerphone, Send/Redial, Volume, Transfer, Message, Page/Intercom, Conference, Mute, Headset, Record, Phonebook and Home
- QoS—Layer 2 (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS
- Security—User and admin level passwords, MD5 / MD5-sess based authentication, 256-bit AES encrypted configuration file, SRTP, TLS, 802.1x media access control
- Power and Green Energy Efficient—Universal power adapter included: Input: 100-240VAC 50-60Hz; Output: +5VDC, Power consumption 3.84W (power adapter)
- Operating Conditions—Temperature: 32-104 F / 0-40 C, Humidity: 10-90% (non-condensing)
Additional Features
Built-in high-quality microphone and speaker
HD quality audio handset and speakerphone
Base stand 2 angle positions
Call Log (up to 200 records)
Call Transfer (attended or blind), Caller ID, Caller ID Blocking
Shared-Call-Appearance (SCA) / Bridged-Line-Appearance (BLA)
Hold, mute, flash, auto-answer, redial
