Review Of the Most Popular SIP Softphones – General Problems of SIP Clients and Ways to Solve Them

The most relevant SIP softphones are:

  • Linphone (GPL, * nix / windows)
  • SFLphone (GPL, * nix)
  • X-Lite (proprietary, windows / mac)
  • MicroSIP (GPL, windows)
  • Telephone (BSD license, mac)
  • Jitsi (LGPL, java, cross-platform)
  • CSipSimple (GPL, android)
  • Codec Pack for CSipSimple – Additional codecs for CSipSimple, including the newest and most advanced codec “Opus”
  • siphon (GPL, iOS)
  • 3CXPhone (???, windows / android / iOS)

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General Facts about SIP  – Free Standard IP Telephony

SIP (Session Initiation Protocol) is a free IP telephony standard developed by the international community of IETF. Its development began in 1996, and in November 2000 it was approved as a signaling protocol in 3G systems and the main protocol of the IMS (IP Multimedia Subsystem) architecture. Now almost everywhere where there is a telephone connection based on IP, this standard is very likely applied. Your telephone operator may well use SIP and allow you to connect to it using this protocol. Continue reading “General Facts about SIP  – Free Standard IP Telephony” >