Grandstream GXV3175 User Manual - Manual (Page 12)

FIRMWARE VERSION 1.0.3.76 GXV3175 USER MANUAL Page 12 of 139
Table 3: GXV3175 TECHNICAL SPECIFICATIONS
Lines Three individual SIP accounts.
Protocol Support SIP 2.0, UDP/IP, PPPoE, RTP/RTCP, SRTP by SDES, HTTP, ARP/RARP,
ICMP, DNS, DHCP, NTP/SNTP, TFTP.
Display 7 ” resistive touch screen LCD with 800 x 480 resolution.
Network Interfaces Dual switched 10M/100M auto-sensing Ethernet ports, 2 x USB 2.0 port,
1 x audio/video output port (to synchronize output video to TV), stereo
headset jack.
Device Management Layer 2 QoS (IEEE 802.1p/Q tagging-VLAN) and Layer 3 QoS (ToS,
DiffServ, MPLS), web interface or via secure (AES encrypted) central
configuration file for mass deployment, auto/manual provisioning system,
remote software (TFTP/HTTP/HTTPS) upgrade for deployed devices
including those behind NAT/firewall.
Provisioning - Support for automatic NAT/firewall traversal and remote automatic
software upgrade and security, providing end- users with “zero
configuration” and true “plug-and-play” functionality.
- Support for remote configuration monitoring and syslog.
- Configuration through LCD, web browser or an external configuration file.
- Support for IETF STUN NAT traversal and symmetric RTP, Static IP or
DHCP.
Audio Features - HD handset and full duplex speaker, advanced DSP.
- Supports G.723.1, G.729A/B,G.711 μ/A (PCMU/PCMA), G.726-32,G.722,
GSM-FR, L15-256 DTMF (In-audio, RFC2833, SIP Info); Silence
suppression, VAD, CNG, AGC, masking for packet loss/delay; AEC, AGC
for Speaker; jitter buffer protocol.
Video Features - Support for Jitter Buffer delay and packet loss concealment to enhance
audio and video quality.
- Support for H.263/H.263+ and H.264 real-time video codecs (WQVGA,
QQVGA, QCIF, QVGA, WQVGA, CIF, VGA, 4CIF) up to 30frames/sec,
which ensures high quality video transmission even under low bandwidth
conditions (32kbps-1Mbps).
- 7 ” resistive touch screen LCD with 800 x 480 resolution, 45 degree
rotating lens (perpendicular), advanced VGA CMOS camera and sensor.
- Anti-flickering of images, auto focus, auto exposure, zoom (2x optical 2x
digital ), PIP(Picture-in-Picture) , audio mute, camera block, call log, video
phone book, screensaver, still picture capture/store (VGA) and visual voice
message indicator.
Call Handling Features Caller ID, call waiting ID, call waiting/flash, call transfer, call holding, call
forwarding, Do-Not-Disturb, three-way conference, redial, automatic