Grandstream Networks GXW4108, GXW4104 manual Overview, Dtmf Method via default value is in-audio

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Grandstream Analog IP Gateway GXW410x

Quick Installation Guide

SW version 1.0.0.27

WARNING: Please DO NOT power cycle the GXW410x when LED lights are flashing during system boot up or firmware upgrade. You may corrupt firmware images and cause the unit to malfunction.

Overview

The GXW-410x 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. The installation is the same for either model.

A SIP proxy server such as Asterisk or a SIP registrar server can be deployed with the GXW-410x series. In this environment, the SIP server handles SIP registration and call control and the GXW410x processes media conversion between IP and PSTN calls. By design, the system supports the North American call progress tones and signaling standards on PSTN sides.

GXW4100 FEATURES

•TFTP and HTTP firmware upgrade support

•Multiple SIP accounts, associated with physical line ports, each account corresponding to one of the multiple SIP profile

•Multiple SIP profiles, max of 3 profiles per system. Each profile hosts 0 to multiple number of SIP accounts, depending on user need

•One stage and two stage dialing

•Two stage dialing means when after dialing the number to the GXW, be it from VoIP to GXW or from PSTN to GXW, a second dial-tone prompts users to input the final destination number to finish final dialing.

•One stage dialing means user only hear dial-tone once and input a final destination number along with a pre-fix. One stage dialing need SIP server to support SIP call forward via a dial-plan.

•VoIP to PSTN call setup and teardown

•Channel configurable for one stage or two stage dialing, Default is 2 stage dialing.

•PSTN to VoIP call setup and teardown

•Channel configurable for one stage or two stage dialing, Default is 2 stage dialing. One stage dialing requires user to configure Off-Hook Auto Dial to a SIP Number.

•Support: G711, G723, G729, and GSM

•Line echo canceller g.168 support

•Flexible DTMF transmission method User Interface of In-audio, RFC2833, and SIP Info

•Round-robin port scheduling to ensure available lines to access PSTN networks

•Configurable channel dialing to improve dial-out reliability

odigit length: default 100ms

odigit volume: gain [-31,0]dB, default -11dB

odial pause between digits: default 100ms

owait for dial-tone: yes/no, default yes (1 for Yes, 2 for No)

oone-stage ( use 1 ) or 2 stage (use 2) dialing: default of 2 stage dialing

oSyntax: ch (or chan or channel) x-y: val; ch …

•Configurable PSTN Termination

oEnable current disconnect: default of disabled. Some special PBXs and CO lines use line power drop to indicate PSTN hang-up. When this is the configuration, please consult your PSTN line service provider for the correct PSTN disconnect method.

oAC termination impedance: default North America. This impedance works with parameters of Busy/Re-order tone in Call Progress Table. Users have to set BUSY/REORDER tone values to enable this parameter.

oBusy or re-order tones: following busy or reorder tone of call progress tones is used to teardown regular PSTN call if detected

•Configurable call progress/termination tones via pattern matching

oDial-tone: f1/f2(350/440), v1/v2( -11/ -11), on1/off1(0/0), on2/off2(0/0)

oRing back tone: f1/f2(default 440/480), on/off(default 2s/4s) o Busy tone: f1/f2(480/620), on/off(0.5/0.5s), duration (8s)

o Re-order tone: f1/f2( 480/620 ), on/off(25/25), duration (default 8s)

o Confirmation tone: f1/f2(350/440), on/off(0.1/0.1s), duration (default 8s) o Usage Syntax:

o ch x-y: f1(or freq1 or frequency1)=val1@vol1, f2 (or freq2 or frequency2) = val2@vol2, c (or cad or cadence) = on1/off1–on2/off2–on3/off3; ch3: …… o x,y - 0-9 digit.

o Configure Channel voice settings,

o Voice volume: gain control, [-31, 31], default 1 dB

o Audio input gain: [-31, 31], default 0 dB

o Silence Suppression: 1 – enabled, 2 - disabled, default is 1

o Line echo cancellation: 1 – enabled, 2 – disabled; default is 1

•Configure other channel settings, PSTN Silence Timeout, default 60 sec. This serves as a last measure to address PSTN run-away calls. It is not supposed to replace above regular PSTN disconnect methods.

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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