The Grandstream GXW-4108 offers an easy to manage, easy to configure IP communications solution for any small business or businesses with virtual and/or branch locations who want to leverage their broadband network and/or add new IP Technology to their current phone system. The Grandstream Enterprise Analog VoIP Gateway GXW410x series converts SIP/RTP IP calls to traditional PSTN calls. There are two models – the GXW4104 and GXW4108, which have either 4 and 8 FXO ports respectively.Grandstream GXW-4108 Technical Specification
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
Compliance
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)
- Configure Channel voice settings,
- 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
DTMF Method via : default value is in-audio
1 – in-audio
2 – RFC2833
3 – in-audio and RFC2833
4 – SIP Info
5 – in-audio and RFC2833
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