Protocols/Standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE,
SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069, 802.1x, TLS, SRTP*, IPv6, OpenVPN®
Network interfaces
Two switched 10/100/1000 Mbps ports with built-in PoE/PoE+ support
Screen
5.0" 1280x720 Capacitive Touch Screen (5 touches) HD TFT LCD
Camera
1 MP CMOS Position-shifting Camera with Shutter, 720p 30fps
Bluetooth
Yes, built-in Bluetooth 4.2 + EDR module
Wi-Fi
Yes, dual band (2.4GHz and 5 GHz) class 802.11 a/b/g/n
Additional ports
RJ9 headset jack (EHS support when using Plantronics headsets),
Expansion module port, USB port, HDMI-out (1.4 to 720p30fps)
Function buttons
11 function buttons: CONFERENCE, TRANSFER, SEND/REDIAL, OFF.
SOUND, HANDSET, SPEAKERPHONE, VOLUME -/+. 3 special Android buttons: HOME, MENU and
back
Speech Codecs and Features
Broadband Opus, Broadband G.722, G.711µ/a, G. 729A/B, G.726-32, iLBC, In- and
out-of-band DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC, ANS
H.264 BP/MP/HP video codecs and Capabilities, video resolution up to 720p, frame rate up to 30 fps, bitrate up to 2 Mbps,
3-way video conference (720p at 30fps), anti-flicker, autofocus and auto exposure
Telephony functions
Hold, transfer, forwarding (unconditional/unanswered/busy),
Parking/call interception, 6-way voice conference (including host), Shared line
(SCA) / (BLA), programmable buttons, downloadable contacts (XML, LDAP, up to 1000),
call recording (local and to the server), call log (up to 1000 entries), call waiting, auto-reply,
XML screen setup, flexible number plan, shared workplace, customizable
ringtones and music on hold, emergency switching to a backup server
The extension module
Yes, you can connect up to 4 GBX20 modules with a 272x480 color LCD screen, 20
speed dial/BLF buttons with 2-color LED backlight, 2 navigation buttons and
power consumption of less than 1.2Watts per device
Application Examples
Local applications: Contacts, Call Log, File Manager, Programmable
Button, Settings, Browser, Voicemail, Calculator, Clock, Voice Recorder, etc.
Support for third-party Android applications such as Microsoft Teams
API/SDK support for creating applications.
Android
It runs on Android 7.0
Installing applications
Support for the development, download and operation of applications compatible with Android 7.0 using
configuration management
HD Audio
Yes, 2 omnidirectional microphones, HD sound quality in the handset and speaker with
broadband audio support
Rack
Built-in stand with position change (3 positions)
QoS
Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
Safety
User and administrative level password, MD5-based authentication and
MD5-sess, configuration file with 256-bit AES encryption, TLS, SRTP*, HTTPS, 802.1x
media access control
Supported languages
English, German, Italian, French, Spanish, Portuguese, Russian,
Croatian, Chinese, Korean, Japanese, etc.
Update/Automatic configuration
Firmware update via TFTP/HTTP/HTTPS or using local HTTP download,
mass deployment using TR-069 or XML configuration file with AES
encryption, Grandstream Device Management System (GDMS)
Nutrition and energy efficiency
Universal Power adapter (included): Input: 100-240V AC 50-60Hz; Output 12V
DC. current 1.5A (18W) Built-in support for PoE* 802.3af Class 3, PoE+ 802.3at, Class 4
Temperature and humidity
Operation: 0°C to 40°C, Storage: -10°C to 60°C,
Humidity: 10% to 90% non-condensing
Package contents
Phone model GXV3350, handset with wire, stand, universal power supply,
network cable, quick start guide, GPL license
Accordance
FCC: Part 15 Class B; Part 15 Subsection C(15.247); Part 15 Subsection E(15.407); Part 68 HAC IC:
RSS-247; RSS-Gen; RSS-102; IECS-003; CS03
CE: EN 55032; EN 55035; EN 61000-3-2; EN 61000-3-3; EN 62368-1; EN 301 489-1; EN 301 489-17;
EN 300 328; EN 301 893; EN 62311
RCM: AS/NZS CISPR 32; AS/NZS 4268; AS/NZS 62368.1; AS/CA S004
