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Hfybro   -  Where leading communication companies come for VoIP, IP Videoconferencing, IM and Presence SIP Softphone SDKs.

Open Standards = Long Term Success

Hfybro is actively involved in many Working Groups within the IETF including:

  • SIP: Session Initiation Protocol
  • SIMPLE: SIP for Instant Messaging and Presence Leveraging Extensions
  • SIPPING: Session Initiation Proposal Investigation
  • MMUSIC: Multiparty Multimedia Session Control
  • XCON: Centralized Conferencing

SIP

  • RFC 2617 HTTP Authentication: Basic and Digest Access Authentication (for SIP)
  • RFC 2976 The SIP INFO Method
  • RFC 3261 SIP: Session Initiation Protocol
  • RFC 3263 Session Initiation Protocol (SIP): Locating SIP Servers
  • RFC 3265 Session Initiation Protocol (SIP): Specific Event Notification
  • RFC 3420 Internet Media Type message/sipfrag
  • RFC 3515 The Session Initiation Protocol (SIP) Refer Method
  • RFC 3581 An Extension to the Session Initiation Protocol (SIP) for Symmetric Response Routing
  • RFC 3842 Message Summary and Message Waiting Indication Event Package for the Session Initiation Protocol
  • RFC 3891 The Session Initiation Protocol (SIP) "Replaces" Header
  • draft-ietf-sipping-cc-transfer Session Initiation: Protocol Call Control - Transfer
  • draft-sparks-sipping-dialogusage-00
  • draft-ietf-sip-referredby-05

IM & PRESENCE

  • RFC 2778 A Model for Presence and Instant Messaging
  • RFC 3428 Session Initiation Protocol (SIP) Extension for Instant Messaging
  • RFC 3856 A Presence Event Package for the Session Initiation Protocol (SIP)
  • RFC 3857 A Watcher Information Event Template-Package for the Session Initiation Protocol (SIP)
  • RFC 3858 An Extensible Markup Language (XML) Based Format for Watcher Information
  • RFC 3859 Common Profile for Presence (CPP)
  • RFC 3863 Presence Information Data Format (PIDF)
  • RFC 3903 Session Initiation Protocol (SIP) Extension for Event State Publication
  • draft-ietf-simple-presence-data-model-01
  • draft-ietf-simple-rpid-04
  • draft-ieft-simple-cipid-03
  • draft-ietf-simple-iscomposing-04
  • draft-ietf-simple-presence-rules-01
  • draft-ietf-simple-event-list-06

DOCUMENT STORAGE

  • RFC 2518 HTTP Extensions for Distributed Authoring WEBDAV
  • draft-ietf-simple-xcap-05
  • draft-ietf-simple-xcap-list-usage-03
  • draft-ietf-geopriv-common-policy-03
  • draft-ietf-simple-xcap-package-02

NETWORK

  • RFC 1035 Domain names - implementation and specification
  • RFC 2782 A DNS RR for specifying the location of services (DNS SRV)
  • RFC 2327 SDP: Session Description Protocol
  • RFC 2782 A DNS RR for specifying the location of services (DNS SRV)
  • RFC 2915 The Naming Authority Pointer (NAPTR) DNS Resource Record
  • RFC 3489 STUN - Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators

MEDIA

  • RFC 1889 RTP: A Transport for Real-Time Applications
  • RFC 2190 RTP Payload Format for H.263 Video Streams
  • RFC 2327 SDP: Session Description Protocol
  • RFC 2429 RTP Payload Format for the 1998 Version of ITU-T Rec. H.263 Video (H.263+)
  • RFC 2833 RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
  • RFC 3264 An Offer/Answer Model with Session Description Protocol
  • RFC 3550 RTP: A Transport Protocol for Real-Time Applications [replaces RFC 1889]
  • RFC 3555 MIME Type Registration of RTP Payload Formats
  • RFC 3605 Real Time Control Protocol (RTCP) attribute in Session Description Protocol (SDP)
  • RFC 3558 RTP Payload Format for Enhanced Variable Rate Codecs (EVRC)
  • draft-ietf-mmusic-ice-02 Interactive Connectivity Establishment (ICE): A Methodology for Network Address Translator (NAT) Traversal for Multimedia Session Establishment Protocols
  • draft-ietf-avt-rtp-ilbc-04
  • draft-ietf-avt-ilbc-codec-05

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