Grandstream GXW-4104 Technical Specification

FXO Ports

• 4 FXO ports

Ethernet Ports

• 2 RJ45 10/100Mbps (LAN/WAN)

Video input

• Supports H.264 video codec (up to 30fps and CIF resolution, Hardware Version below 2.0 only)

Audio Codecs

• G711u/a
• G723
• G729
• GSM
• T.38 compliant

Configuration

• Web Based
• Remote TFTP/HTTP

Power Input

• 12 Vdc
• 1.25Amp

Compliance

• FCC/CE/C-Trick

Configurable channel dialing to improve dial-out reliability

• digit length: default 100ms
• digit volume: gain [-31,0]dB, default -11dB
• dial pause between digits: default 100ms
• wait for dial-tone: yes/no, default yes (1 for Yes, 2 for No)
• one-stage ( use 1 ) or 2 stage (use 2) dialing: default of 2 stage dialing
• Syntax: ch (or chan or channel) x-y: val; ch

Configurable call progress/termination tones via pattern matching

• Dial-tone: f1/f2(350/440), v1/v2( -11/ -11), on1/off1(0/0), on2/off2(0/0)
• Ring back tone: f1/f2(default 440/480), on/off(default 2s/4s)
• Busy tone: f1/f2(480/620), on/off(0.5/0.5s), duration (8s)
• Re-order tone: f1/f2( 480/620 ), on/off(25/25), duration (default 8s)
• Confirmation tone: f1/f2(350/440), on/off(0.1/0.1s), duration (default 8s)
• Voice volume: gain control, [-31, 31], default 1 dB
• Audio input gain: [-31, 31], default 0 dB
• Silence Suppression: 1 – enabled, 2 – disabled, default is 1
• Line echo cancellation: 1 – enabled, 2 – disabled; default is 1