2.0.0

What's Changed

• Added Maven build.
• Split source into core modules sip, server, ua, and supporting modules net, sound, and util. Extracted
  examples into modules examples and phone.
• Replaced self-made logging with slf4j over tinylog.
• Clarified transaction timeout handling with separate handler methods for each timeout.
• Modernized scheduling using ScheduledThreadPoolExecutor.
• Implemented listening on DTMF info messages.
• Implemented port pool for RTP media streams.
• Fixed parsing of SDP messages with well-known formats that are not explained in rtpmap fields.
• Separated creation of concrete media streams from user agent handling. Removed audio file configuration (for steaming
  and recording) from core components.
• Pulled out system audio sounds played when calls are incoming, accepted, or terminated to client code.
• Added audio filter for silence stripping.
• Added IPv6 support.
• Added Java module support.
• Improved MediaDesc parsing by @hduelme in #2
• Allow to set preferIPv4 in config file by @hduelme in #11
• Improved diagnose for invalid environment/command line arguments by @hduelme in #19
• Code cleanup:
  • Added type parameter,
  • added override annotations,
  • reduced excessive logging,
  • made fields private final
  • where possible removed mutable static fields, replaced lazy initialization with defined initialization order,
  • reduced number of constructors,
  • enhanced configuration file parsing with args4j,
  • applied Java naming conventions,
  • enhanced encapsulation of fields.
  • Access configuration from production code through read-only interfaces.
  • System.arraycopy for copying arrays by @hduelme in #1
  • Removed Vector from MediaField by @hduelme in #3
  • Modernized Junit5 usage by @hduelme in #5
  • Remove vector from MediaDescriptor by @hduelme in #6
  • Add generics to Flags by @hduelme in #8
  • use StringBuilder instead of StringBuffer in MediaSpec by @hduelme in #9
  • use StringBuilder instead of StringBuffer by @hduelme in #10
  • use auto resource management by @hduelme in #12
  • add generics to SipTransportCO by @hduelme in #14
  • implemented Closeable for classes which need to be closed to avoid resource leak by @hduelme in #13
  • Add generics by @hduelme in #17
• Bug fixes
  • Close AudioInputStream to close references to temporary file and to allow for proper deletion by @veN1337 in #16

New Contributors

• @hduelme made their first contribution in #1
• @veN1337 made their first contribution in #16

Full Changelog: 1.8.0...2.0.0