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Free Telephony Project
The goal of this project is to provide free hardware designs for telephone systems. Both the hardware and software are open. You are free to copy, modify and re-use the hardware designs. The hardware for a complete embedded Asterisk IP PBX (including multiple analog ports or a T1/E1) can be built for a few hundred dollars. No PC required! Our first product is the IP04. The IP04 is a low cost phone system that can switch phone calls from...
preview: http://www.rowetel.com   |

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GNU Bayonne
GNU Bayonne, the telecommunications application server of the GNU project, offers free, scalable, media independent software environment for development and deployment of telephony solutions for use with current and next generation telephone networks.
preview: http://www.gnu.org   |

project    

GNU Telephony
GNU Telephony is a meta project dedicated to the development and promotion of the use of free software for telephony. GNU Telephony is used to directly support the GNU Common C++ family of libraries and telephony application servers such as GNU Bayonne, which are part of the GNU Project, as well as other packages that we regularly use. We will also support several special projects from this site, including CAPE runtime libraries, and GNU...
preview: http://wiki.gnutelephony.org   |

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uCommon library & applications
A series of free (and often telephony related) projects for highly embedded Linux systems that use uCommon (and uClib) as their base libraries. Target platforms may include uCSIMM, AXIS eTrax, etc.
preview: http://sourceforge.net   |

overview    

Accelerating the Deployment of Voice over IP (VoIP) and Voice
The economic advantages of packet voice are driving both the access and core voice networks away from circuit switching towards packet. The industry continues to debate whether the future of these packet networks will be based on pure ATM, pure Internet protocol (IP), IP over asynchronous transfer mode (ATM), IP over multiprotocol label switching (MPLS), or a combination thereof. There are advantages to both ATM and IP and reasons for...
preview: http://www.iec.org   |

overview    

Designing VOIP Solutions
This is a lengthy paper which begins with an introduction to Voice over Internet Protocol (VoIP), and its market potential. The emphasis in this paper is on the use of VoIP on dedicated networks, and not on the public Internet, though the technology described can be applied to either.
preview: http://www.telephonyworld.com   date: 10/20/1999 |

overview    

VoIP Tutorial (Very Basic)
Today we can see a real revolution in communication world: everybody begins to use PCs and Internet for job and free time to communicate each other, to exchange data (like images, sounds, documents) and, sometimes, to talk each other using applications like Netmeeting or Internet Phone. It starts to diffuse a common idea that could be the future and that can allow real-time vocal communication: VoIP
preview: http://www.tutorial-reports.com   |