H323Plus

The H323Plus project, formerly OpenH323, has as goal developing a full featured, open source (MPL) implementation of the H.323 Voice over IP protocol. The code is written in C++ and, through the development effort of numerous people around the world, fully supports the H.323 protocol. The software has been integrated into a number of open source and commercial software products.

Software published under the OpenH323 project includes

The implementation of VoIP protocols

PWLib - a multi-platform C++ class library. Programs based on PWLib can run on both Microsoft Windows and Unix/Linux. The library contains both the “basic” classes (strings, arrays, lists) and the higher-level functionality (networking, multi-threading).
OpenH323 – a library for the development of H.323 applications. It uses PWLib for platform independence. The library has its own ASN.1 parser that generates the classes for encoding and decoding of the protocol messages used in H.323.

Sample network phones implementations

OhPhone: Command-line phone
OpenPhone: GUI for OpenH323

H.323 Related

OpenMCU: Conference server
OpenAM: Answering machine
OpenIVR: Interactive Voice Response
GnuGK: H.323 Gatekeeper
PSTNGw: Serves as a gateway between H.323 and PSTN
CallGen323: H.323 call generator

Related Projects

Open Phone Abstraction Library (OPAL)
PyH323Plus (Python bindings for H323Plus using Cython)

External links

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