Atcom AT-320
Posted: September 9, 2005 Atcom AT-320 This is a cheap consumer grade phone based on the PA168S chip. Works good in both the office and at home. Pros it’s cheap. About $79 for a dual port unit. Nice display Good status display…
Read More »Asterisk at Home Examples
Posted: September 9, 2005 After finding a significant lack of information on how to actually configure Asterisk@Home, I thought I would just jot down some notes on how to set up a couple of services. Setting up a Softphone on your PC…
Read More »Kiax
Posted: September 9, 2005 Kiax started in early 2004 as a small program mainly aimed to provide a simple user interface for making VoIP calls with Asterisk PBX (an open source VoIP PBX). Its first versions showed the existing need for a…
Read More »Asterisk “i” invalid extension
Posted: September 9, 2005 Each Asterisk contexts in extensions.conf may have an ‘i’ extension that is used for invalid extensions, i e, non-existing extensions dialled by clients. Not Automatic You would think that Asterisk would automatically jump to the ‘i’ extension if…
Read More »Asterisk sip dtmfmode
Posted: September 9, 2005 DTMFmode for SIP client configuration Syntax dtmfmode=inband Choices are inband, rfc2833, info or auto inband: This send tones as inband audio within the voice stream. The device that you press the key on generates the DTMF tones. –…
Read More »NVBackgroundDetect
Posted: September 9, 2005 Background with Fax Detection for IAX/SIP/ZAP Including non-silence and digit detection. Search the web for the code. Synopsis Background a file with talk and fax detect (on IAX and SIP too) Description NVBackgroundDetect(filename[|options[|sildur[|mindur[|maxdur]]]]) Plays filename, waiting for interruption…
Read More »NVFaxDetect
Posted: September 9, 2005 Fax Detection for IAX/SIP/ZAP Including non-silence and digit detection. Download You can find the code and more instructions on the web, or see the patched version below. Synopsis Detects fax sounds on all channel types (on IAX and…
Read More »VOIP Service Providers T.38
Posted: September 8, 2005 This page serves to maintain a list of VoIP providers who offer T.38 origination/termination. Confirmed Do not add a provider to this list unless the provider explicitly advertises support for T.38 on their website (not just “fax support”)….
Read More »IAXy
Posted: September 8, 2005 IAXy is a small yet expensive one port IAX based VoIP Gateways for use with Asterisk. However, it’s the only inexpensive IAX gateway that understands pulse dialing. Page Contents Configuration gotchas How to reset the IAXy See Also…
Read More »Wideband VoIP
Posted: September 8, 2005 HD VoIP or Wideband VoIP To date, VoIP has predominantly been hyped as a means of cost savings, and this is a legitimate pitch. But VoIP also lays the groundwork for a revolution in the quality of voice…
Read More »iLBC
Posted: September 8, 2005 iLBC is a VOIP codec originally created by Global IP Sound but made available (including its source code) under a restricted but free and fairly liberal license, including permission to modify. What is iLBC? iLBC (internet Low Bitrate…
Read More »Speex
Posted: September 8, 2005 Speex is open-source voice codec Quoting from: http://www.speex.org/ Speex is an Open Source/Free Software patent-free audio compression format designed for speech. The Speex Project aims to lower the barrier of entry for voice applications by providing a free…
Read More »GIPS
Posted: September 8, 2005 GIPS Global IP Sound in the producer of a family of VOIP codecs and related software. Bit rates: 13.3 and up. They claim to be able to maintain voice quality with 30% packet loss. This is the technology…
Read More »Codecs
Posted: September 8, 2005 Codecs are used to convert an analog voice signal to a digitally encoded version. Codecs vary in the sound quality, the bandwidth required, the computational requirements, etc. Each service, program, phone, gateway, etc typically supports several different codecs,…
Read More »Global IP Sound
Posted: September 8, 2005 Global IP Sound Company name change — see: Global IP Solutions Founded in 1999, Global IP Sound develops embedded voice processing technologies for real-time communications over packet networks. GIPS groundbreaking software gives you high fidelity sound even under…
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