PJSIP Datasheet
Operating Systems Supported
- Windows
- Mac OS X
- Linux/uClinux
- Smartphones:
- Windows Mobile/Windows CE/Windows Phone
- Symbian S60 3rd Edition and 5th Edition
- iPhone OS/iOS (iPhone, iPad, iPod Touch) with iOS 4 background notification support
- Community supported:
- OpenBSD
- FreeBSD
- Solaris
- MinGW
- RTEMS
- Android
SIP Capabilities
- Base specs:
- Core methods: RFC 3261: INVITE, CANCEL, BYE, REGISTER, OPTIONS, INFO
- Digest authentication (RFC 2617)
- Transports:
- UDP, TCP, TLS (server or mutual)
- DNS SRV resolution (RFC 3263)
- IPv6 (UDP only)
- QoS (DSCP, WMM)
- Routing/NAT:
- Call:
- SDP:
- Multipart (RFC 2046, RFC 5621)
- Presence and IM:
- Other extensions:
- Compliance:
NAT Traversal
- STUN:
- RFC 5389
- Some RFC 3489 compatibility
- DNS SRV resolution
- short/long term authentication
- fingerprinting
- TURN:
- RFC 5766
- DNS SRV resolution
- UDP and TCP client connection
- ICE:
- RFC 5245
- host, srflx, and relayed candidates
- aggressive and regular nomination
- ICE option tag (RFC 5768)
- NAT type detection:
- Other:
- QoS support on sockets (DSCP, WMM)
- Core:
- any clockrates
- N-channels support
- zero thread
- Base:
- DTMF (RFC 2833)
- echo cancellation (Speex, suppressor, or native)
- client conferencing
- inband DTMF/tone generation
- WAV file playback and recording
- WAV file playlist
- memory based playback and capture
- adaptive jitter buffer
- packet lost concealment
- clock drift recovery
- Codecs:
- Bundled:
- Speex 8KHz, 16Khz, 32KHz
- iLBC, GSM,
- L16, G.711A/U (PCMA/PCMU),
- G.722,
- G.722.1 16KHz/32KHz (Siren7/Siren14, licensed from Polycom)
- with Intel IPP library:
- AMR-NB, AMR-WB,
- G.722, G.722.1,
- G.723.1, G.726, G.728, G.729A,
- Hardware codecs:
- on Nokia with APS/VAS-Direct: AMR-NB, G.729, iLBC, PCMA, PCMU
- on iPhone: iLBC
- Transports:
- Audio devices:
- native WMME (Windows, Windows Mobile)
- native ALSA (Linux)
- native Symbian MMF (Symbian/Nokia S60)
- native APS (Nokia S60) with hardware EC, and APS-Direct to support hardware codecs
- native VAS (Nokia S60) with hardware EC, and VAS-Direct to support hardware codecs
- native CoreAudio (Mac OS X, iPhone) with support for native/hardware EC
- PortAudio (WMME, DirectSound, OSS, ALSA, CoreAudio, etc.)
Planned in 2.0:
- Platforms:
- Codecs:
- H.263-1998 (ffmpeg),
- H.264 (ffmpeg and x264)
- Capture devices:
- colorbar (all platforms)
- DirectShow (Windows)
- Video4Linux2 (Linux)
- QuickTime (Mac OS X)
- Rendering devices:
- SDL (Windows, Linux, and Mac OS X)
- DirectShow (Windows)
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