Contents  > Computers  > Internet  > Protocols  > SIP

• Session Initiation Protocol (SIP) - FAQs, background materials and lists of current work in this field.

  FirstHand Technologies Client and server software developer for service providers and telecom equipment vendors, to address enterprise mobility markets. http://www.firsthandtech.com/

  IETF SIP Charter Working group for protocol development. Links to RFC's and internet drafts. http://www.ietf.org/html.charters/sip-charter.html

  PROTOS Test Suite A test-suite to find vulnerabilities in protocol software. http://www.ee.oulu.fi/research/ouspg/protos/testing/c07/sip/

  pulver.com A collection of information on the protocol. Contains news, reports and an IP telephony job noticeboard. http://www.pulver.com/

  The SIP Center Portal with technical and market resources aimed at commercial developers. Also provides a testbed area for software and proxy development. http://www.sipcenter.com/

  SIP411 Directory Services A Yellow Pages style directory of SIP addresses. http://www.sip411.com

  SIP Forum A membership based forum. Also contains a news board. http://www.sipforum.org/

  SIP Made Easy An introductory tutorial talks about protocol functions, components, message types, how it works and where it is applied. http://geocities.com/intro_to_multimedia/SIP/

  SIP Wiki Wiki based resource containing information and links. http://www.toyz.org/cgi-bin/sipwiki.cgi

  SIPfoundry An international open source community providing VoIP solutions and technology based on the SIP standard. http://www.sipfoundry.org/

  Soft Front Provides a software development environment. http://www.softfront.co.jp/en/

  Tech Invite Portal containing links to technical information and RFC documentation. http://www.tech-invite.com

  Vidosystem Produces softphones. Site has downloads section and information on protocols supported. http://www.vidosystem.com

  Voice System Design, consultancy and development for SIP Express Router (SER) servers. http://www.voice-sistem.ro

  VoIP User Consumer guide and forum. Also has software phone downloads and links to service providers. http://www.voipuser.org