The framework and demo applications are dual licensed (GPL / commercial) and contains third-parties libraries with commercial-friendly licensing terms.
The framework depends on:
| Name | Version | License | Dependency | Comments |
| FFmpeg | GIT 1.2 | GPL or LGPL | optional | The commercial version could be linked against the LGPL version as far as the FFmpeg's License Compliance Checklist is respected. We recommend not using FFmpeg for commercial use |
| iLBC | 1.0 | GIPS Public License | optional | |
| libgsm | 1.0-pl13 | BSD | optional | |
| libogg | 1.1.4 | BSD | optional | |
| libyuv | SVN r321 | BSD-style | mandatory | |
| libsrtp | 1.4.2 | BSD-based | optional | |
| libtheora | 1.1.1 | BSD | optional | |
| libvorbis | 1.2.3 | BSD | optional | |
| libvpx | 1.1.0 | BSD | optional | |
| libxml2 | Git v2.9.1 | MIT | optional | |
| opencore-amr | 0.1.2 | Apache license 2.0 | optional | |
| openssl | 1.0.2a | Apache-style License | optional | |
| Ragel output | 6.7 | Doubango License | mandatory | No linking |
| SimpleXML | 2.3.4 | Apache License 2.0 | mandatory | Only on Android |
| swig output | SVN r12023 | Doubango License | mandatory | No linking |
| Speex | 1.2 | Revisited-BSD | mandatory | |
| WebRTC audio processing | SVN r2512 | BSD | optional | AEC, Noise suppression ... |
| x264 | 0.104 | GPL | optional | Must be disbaled for commerical use |
| OpenH264 | GIT v1.1 | BSD | optional | H264 constrained baseline |