= PJSIP Datasheet = == Operating Systems Supported == * Windows * Mac OS X * Linux/uClinux * Smartphones: * Windows !Mobile/Windows CE * Symbian * iPhone OS/iOS (iPhone, iPad, iPod Touch) * 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) * [wiki:QoS QoS] (DSCP, WMM) * Call: * Offer/answer (RFC 3264) * hold, unhold * [wiki:SIP_Redirection redirection] * transfer/REFER (attended and unattended): * Base (RFC 3515) * replaces (RFC 3891) * Referred-by (RFC 3892) * sipfrag support (RFC 3420) * norefersub (RFC 4488) * UPDATE (RFC 3311) * 100rel/PRACK (RFC 3262) * tel: URI (RFC 3966) * Session Timers (RFC 4028) * SDP: * RFC 2337 (obsoleted by RFC 4566) * RTCP attribute (RFC 3605) * IPv6 support (RFC 3266) * [ticket:1070 Multipart] (RFC 2046, 5621) * Presence and IM: * Event framework (SUBSCRIBE, NOTIFY) (RFC 3265) * Event publication (PUBLISH) (RFC 3903) * MESSAGE (RFC 3428) * typing indication (RFC 3994) * pidf+xml (RFC 3856, 3863) * xpidf+xml * RPID (subset) (RFC 4480) * Other extensions: * INFO (RFC 2976) * rport (RFC 3581) * AKA, AKA-v2 authentication (RFC 3310, 4169) * Service-Route header (RFC 3608) * ICE option tag (RFC 5768) * Compliance: * Issues with Non-INVITE transaction (RFC 4320) * Issues with INVITE transaction (RFC 4321) * Multiple dialog usages (RFC 5057) == Media/audio capabilities == * Core: * any clockrates * N-channels support * zero thread * Base: * event (RFC 2833) * echo cancellation (Speex, CANEC, suppressor, or native) * client conferencing * tone generation * file playback and recording * file playlist * adaptive jitter buffer * packet lost concealment * clock drift recovery * Codecs: * AMR-NB, AMR-WB, L16, G.711A/U, G.722, * G.722.1 16KHz/32KHz (Siren7/Siren14), * G.723.1, G.726, G.728, G.729A, * iLBC, GSM, * Speex 8KHz, 16Khz, 32KHz * Hardware codecs: * with APS-Direct/VAS-Direct: AMR, G.729, iLBC, PCMA, PCMU * with iPhone: iLBC * Transports: * RTP and RTCP with media statistic (RFC 3550, 3551) * RTCP XR (subset, RFC 3611) * UDP, STUN, ICE * IPv6 (UDP only) * SRTP (RFC 3711) and SRTP SDES (RFC 4568) * [wiki:QoS QoS] (DSCP, WMM) * [wiki:Audio_Dev_API Audio devices]: * native WMME (Windows, Windows Mobile) * native ALSA (Linux) * native Symbian MMF (!Symbian/Nokia S60) * native [wiki:APS] (Nokia S60) with hardware EC, and [wiki:Nokia_APS_VAS_Direct APS-Direct ] to support hardware codecs * native [wiki:VAS] (Nokia S60) with hardware EC, and [wiki:Nokia_APS_VAS_Direct VAS-Direct ] to support hardware codecs * native !CoreAudio (Mac OS X, iPhone) with support for native/hardware EC * !PortAudio (WMME, !DirectSound, OSS, ALSA, !CoreAudio) == 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: * legacy RFC 3489 * Other: * [wiki:QoS QoS] (DSCP, WMM)