3rd Party SIP Software

Key free SIP components maintained by iptel.org include:

• SER -- SIP Express Router, RFC3261 SIP proxy
• SEMS -- SIP Express Media Server
• SERweb -- web interface to SERi
• RTP Proxy -- media relay for NATi traversal (courtesy of Maxim Sobolev)
  
• SER command-line tools: seri_* (ser_ctl, ser_cred, ser_rpc, ser_user, ser_attr, ser_domain, ser_uri)
• mystun -- STUN server
  

Besides that, many third-party free tools have been reported to be used along with iptel.org SIP software.

• Accounting
• • CDR Tool tool for CDRi postprocessing
  • OSP Toolkit
    
• Command-line tools
  
• • pua -- command line presence UA
  • SER command-line tools: ser_* (ser_ctl, ser_cred, ser_rpc, ser_user, ser_attr, ser_domain, ser_uri)
• Embedded
• • milkfish -- home router
• NATs
• • SIP connection tracking
  • restund -- STUN/TURN server
• PSTNi
• • Asterisk -- popular open source PSTN gateway
    
• Security
• • sipcrack tool for dictionary attacks
  • sipbot
    
  • smap port scanner
  • protos buffer overflow testing tool
  • Tactical VoIP toolkit - VoIPi security assessment tool
  • see also Mohamen Nassar's list of further security tools, and VOIPSA's security tool list.
    
• Stacks
• • libre -- SIP, SDPi, RTPi/RTCPi, STUN/TURN/ICE, BFCP and DNS
  • sofia-sip
  • pjsip
    
• Testing
• • sipp performance stress tool
  • seagull -- IMSi traffic generator
    
• Troubleshooting
• • ethereal tool for capturing VoIP (and other) traffic and analyzing it
  • routegraph -- creates call graphs for SER configuration files
    
  • SIP Analyzer
  • SIP v6 analyzer
  • sipgrep -- filtering of SIP messages
    
  • sipsak traceroute-like tool for SIP (with many other features); also easy to integrate into monitoring applications such as argus, nagios
  • sipscenario tool for generating HTML-ized traces of SIP messages
  • sipspy -- tool for capturing and graphical representation of SIP traffic in multiple nodes
    
  • wist -- remote SIP tracing
  • see also Klaus Darilion's list of SIP testing tools
    
• UA
• • baresip -- command line high quality voice + video softphone
  • jitsi -- (formerly SIP-Communicator) cross platform voice + IM + video Java client
  • kphone
  • minisip -- SIP UA
  • Twinkle