= PJSIP Datasheet (moved) = This document has been moved to: https://docs.pjsip.org/en/latest/overview/features.html {{{ #!div style="float: left; width:45%;" == Operating Systems Supported == * Mac OS X * Windows (32 and 64bit), including Windows 10 * Linux/uClinux * Smartphones: * iOS * Android * Windows !Mobile/Windows CE * Windows Phone 10/Universal Windows Platform (UWP) * Community supported: * OpenBSD * FreeBSD * Solaris * MinGW * RTEMS * Embox == SIP Capabilities == * Base specs: * Core methods: [http://tools.ietf.org/html/rfc3261 RFC 3261]: INVITE, CANCEL, BYE, REGISTER, OPTIONS, INFO * Digest authentication ([http://tools.ietf.org/html/rfc2617 RFC 2617]) * Transports: * UDP, TCP, TLS (server or mutual) * DNS SRV resolution ([http://tools.ietf.org/html/rfc3263 RFC 3263]) * IPv6 * [wiki:QoS QoS] (DSCP, WMM) * Routing/NAT: * rport ([http://tools.ietf.org/html/rfc3581 RFC 3581]) * Service-Route header ([http://tools.ietf.org/html/rfc3608 RFC 3608]) * SIP outbound for TCP/TLS ([http://tools.ietf.org/html/rfc5626 RFC 5626]) * Path header (with SIP outbound) ([http://tools.ietf.org/html/rfc3327 RFC 3327]) * Call: * Offer/answer ([http://tools.ietf.org/html/rfc3264 RFC 3264]) * hold, unhold * [wiki:SIP_Redirection redirection] * transfer/REFER (attended and unattended): * Base ([http://tools.ietf.org/html/rfc3515 RFC 3515]) * replaces ([http://tools.ietf.org/html/rfc3891 RFC 3891]) * Referred-by ([http://tools.ietf.org/html/rfc3892 RFC 3892]) * sipfrag support ([http://tools.ietf.org/html/rfc3420 RFC 3420]) * norefersub ([http://tools.ietf.org/html/rfc4488 RFC 4488]) * UPDATE ([http://tools.ietf.org/html/rfc3311 RFC 3311]) * 100rel/PRACK ([http://tools.ietf.org/html/rfc3262 RFC 3262]) * tel: URI ([http://tools.ietf.org/html/rfc3966 RFC 3966]) * Session Timers ([http://tools.ietf.org/html/rfc4028 RFC 4028]) * Reason header ([http://tools.ietf.org/html/rfc3326 RFC 3326], [https://trac.pjsip.org/repos/wiki/FAQ#custom-header partially supported]) * P-Header ([http://tools.ietf.org/html/rfc3325 RFC 3325], [https://trac.pjsip.org/repos/wiki/FAQ#custom-header partially supported]) * SDP: * [http://tools.ietf.org/html/rfc2327 RFC 2327] (obsoleted by [http://tools.ietf.org/html/rfc4566 RFC 4566]) * RTCP attribute ([http://tools.ietf.org/html/rfc3605 RFC 3605]) * IPv6 support ([http://tools.ietf.org/html/rfc3266 RFC 3266]) * Multipart ([http://tools.ietf.org/html/rfc2046 RFC 2046], [http://tools.ietf.org/html/rfc5621 RFC 5621]) * Presence and IM: * Event framework (SUBSCRIBE, NOTIFY) ([http://tools.ietf.org/html/rfc3265 RFC 3265]) * Event publication (PUBLISH) ([http://tools.ietf.org/html/rfc3903 RFC 3903]) * MESSAGE ([http://tools.ietf.org/html/rfc3428 RFC 3428]) * typing indication ([http://tools.ietf.org/html/rfc3994 RFC 3994]) * pidf+xml ([http://tools.ietf.org/html/rfc3856 RFC 3856], [http://tools.ietf.org/html/rfc3863 RFC 3863]) * xpidf+xml * RPID (subset) ([http://tools.ietf.org/html/rfc4480 RFC 4480]) * Other extensions: * INFO ([http://tools.ietf.org/html/rfc2976 RFC 2976]) * AKA, AKA-v2 authentication ([http://tools.ietf.org/html/rfc3310 RFC 3310], [http://tools.ietf.org/html/rfc4169 RFC 4169]) * ICE option tag ([http://tools.ietf.org/html/rfc5768 RFC 5768]) * SIP usage for trickle ICE ([https://tools.ietf.org/html/rfc8840 RFC 8840]) * [https://trac.pjsip.org/repos/ticket/982 Message summary/message waiting indication] (MWI, [http://tools.ietf.org/html/rfc3842 RFC 3842]) * Compliance, best current practices: * Issues with Non-INVITE transaction ([http://tools.ietf.org/html/rfc4320 RFC 4320]) * Issues with INVITE transaction ([http://tools.ietf.org/html/rfc4321 RFC 4321]) * Multiple dialog usages ([http://tools.ietf.org/html/rfc5057 RFC 5057]) * SIP torture messages ([http://tools.ietf.org/html/rfc4475 RFC 4475], tested when applicable) * SIP torture for IPv6 ([http://tools.ietf.org/html/rfc5118 RFC 5118]) * Message Body Handling ([http://tools.ietf.org/html/rfc5621 RFC 5621]. Partial compliance: multipart is supported, but ''Content-Disposition'' header is not handled) * The use of SIPS ([http://tools.ietf.org/html/rfc5630 RFC 5630]. Partial compliance: SIPS is supported, but still make use of ''transport=tls'' parameter) == NAT Traversal == * STUN: * [http://tools.ietf.org/html/rfc5389 RFC 5389] * Some [http://tools.ietf.org/html/rfc3489 RFC 3489] compatibility * DNS SRV resolution * short/long term authentication * fingerprinting * TURN: * [http://tools.ietf.org/html/rfc5766 RFC 5766] * DNS SRV resolution * UDP and TCP client connection * TCP allocations ([http://tools.ietf.org/html/rfc6062 RFC 6062]) * ICE: * [http://tools.ietf.org/html/rfc5245 RFC 5245] * host, srflx, and relayed candidates * aggressive and regular nomination * ICE option tag ([http://tools.ietf.org/html/rfc5768 RFC 5768]) * Trickle ICE ([https://tools.ietf.org/html/rfc8838 RFC 8838]) * NAT type detection: * legacy [http://tools.ietf.org/html/rfc3489 RFC 3489] * Other: * [wiki:QoS QoS] support on sockets (DSCP, WMM) }}} {{{ #!div style="float: right; width:45%;" == Media/audio capabilities == * Core: * any clockrates * N-channels support * zero thread * Base: * DTMF ([http://tools.ietf.org/html/rfc4733 RFC 4733]/[http://tools.ietf.org/html/rfc2833 RFC 2833]) * echo cancellation (WebRTC, Speex, suppressor, or native) * Third party acoustic echo cancellation (AEC) * [http://www.voiceinterconnect.de/echo-cancellation.html Echo cancellation software from voice INTER connect] * [http://www.dspalgorithms.com CANEC from DSP Algorithms] * [http://wavearts.com/licensing/#vqe VQE from Wave Arts] * [http://www.bdsound.com bdIMAD from bdSound] * [http://solicall.com/products.html Echo cancellation software from SoliCall] * 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 * Audio conferencing (in client) * Flexible media flow management * Audio Codecs: * Bundled: * Speex 8KHz, 16Khz, 32KHz * iLBC, GSM, * L16, G.711A/U (PCMA/PCMU), * G.722, * G.722.1 16KHz/32KHz (Siren7/Siren14, [http://www.polycom.com/company/about_us/technology/siren14_g7221c/license_agreement.html licensed from Polycom]) * with third party libraries (may need additional licensing, please check each codec provider): * [https://www.opus-codec.org Opus] codec (see ticket #1904) * [wiki:Intel_IPP_Codecs Intel IPP]: * AMR-NB, AMR-WB, * G.722, G.722.1, * G.723.1, G.726, G.728, G.729A, * [https://developer.skype.com/silk SILK] codec (see ticket #1586) * [http://sourceforge.net/projects/opencore-amr/ OpenCore AMR]: * AMR-NB (see ticket #1388) * AMR-WB (see ticket #1608) * [http://www.linphone.org/technical-corner/bcg729/ bcg729]: G.729 (see ticket #2029) * Hardware codecs: * on iPhone: iLBC * Platform specific/native codecs: * on Android (Mediacodec): AMR-NB, AMR-WB * Transports: * RTP and RTCP with media statistic ([http://tools.ietf.org/html/rfc3550 RFC 3550], [http://tools.ietf.org/html/rfc3551 RFC 3551]) * RTCP XR (subset, [http://tools.ietf.org/html/rfc3611 RFC 3611]) * UDP, STUN, ICE * IPv6 (UDP only) * SRTP ([http://tools.ietf.org/html/rfc3711 RFC 3711]), SRTP SDES ([http://tools.ietf.org/html/rfc4568 RFC 4568]), and DTLS-SRTP ([http://tools.ietf.org/html/rfc5763 RFC 5763]) * [wiki:QoS QoS] (DSCP, WMM) * Symmetric RTP/RTCP ([http://tools.ietf.org/html/rfc4961 RFC 4961]) * Multiplexing RTP and RTCP (rtcp-mux) ([http://tools.ietf.org/html/rfc5671 RFC 5671]) (see ticket #2087) * Third Party * ZRTP * [http://www.zrtp.org/ Zorg] * [https://github.com/wernerd/ZRTP4PJ ZRTP4PJ] * [wiki:Audio_Dev_API Audio devices]: * native WMME (Windows, Windows Mobile) * native ALSA (Linux) * native !CoreAudio (Mac OS X, iPhone) with support for native/hardware EC * native Android (via JNI) * OpenSL (Android) * !PortAudio (WMME, !DirectSound, OSS, ALSA, !CoreAudio, etc.) == Video Media == * Platforms: - Windows, - Linux, - Mac - iOS - Android * Codecs: - H.263-1998 (ffmpeg) - H.264 ([http://www.openh264.org OpenH264], !VideoToolbox (iOS and Mac), ffmpeg+x264, Mediacodec (Android)) - VP8 (libvpx, Mediacodec (Android)) - VP9 (libvpx, Mediacodec (Android)) * Capture devices: - colorbar (all platforms) - !DirectShow (Windows) - Video4Linux2 (Linux) - !QuickTime (Mac OS X) - AVFoundation (iOS) * Rendering devices: - SDL (Windows, Linux, and Mac OS X) - OpenGL ES or UIView (iOS) * Video conferencing (in client) * Flexible media flow management }}}