May 26, 2018
VoIP abstraction library
Opal is a full-featured voip library that supports a variety of protocols and multi-media fornats. Features include
* Low latency RTP stack designed specifically for real-time multimedia * Full featured H.323, SIP and IAX2 protocol stacks * Audio codecs including G.711, GSM06.10, Speex and iLBC. * Video codecs including H.261 and H.263 * Run-time loadable codec interface for proprietary or codecs such as G.729, H.263, H.264 and MPEG4 * Completely Open Source using the commercially friendly MPL 1.1 license
Through the use of a platform isolation library called PTLIB, Opal can run on tiny embedded systems or multi-processor servers.
BTW OPAL is an acronym for Open Phone Abstraction Library, but that is not really important