List of SIP software

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This list of SIP software documents notable software applications which use Session Initiation Protocol (SIP) as a voice over IP (VoIP) protocol.


Free and open-source license[edit]

Proprietary license[edit]


Free and open-source license[edit]

Proprietary license[edit]


Mobile clients[edit]

Free and open-source license[edit]

  • Sipdroid for Android, GPL v3
  • Linphone for Android, BlackBerry, iPhone, Windows phone; GPL v2
  • CSipSimple for Android, GPL v3
  • Ring for Android, GPL v3

Proprietary license[edit]

Session border controllers[edit]

Enabled firewalls[edit]

  • Check Point VPN-1 firewalls, include complete SIP support for multiple vendors
  • Intertex SIP transparent routers, firewalls and ADSL modems, for broadband deployments and SOHO market
  • IPFire Linux-based firewall distribution which comes with Quality of service (QoS) to prefer VoIP communications as well as with Asterisk.
  • Cisco PIX/ASA firewalls include complete SIP support
  • The firewall feature in Cisco IOS includes complete SIP support
  • Secure Computing, SnapGear firewall includes siproxd SIP proxy, Sidewinder 7 firewall includes a SIP proxy
  • SonicWall, supports SIP
  • D-Link Firewall DFL-210/260/800/860/1600/2500 supports SIP (SIP-ALG) with firmware and above
  • ZyXEL ZyWALL P1, 2Plus, 5 UTM, 35 UTM, 70 UTM, 1050, USG 100, USG 200, USG 300, USG 1000 supports SIP-ALG
  • Fortinet, all FortiGates running v280/v300 builds
  • Linux Netfilter's SIP conntrack helper fully understands SIP and can classify (for QOS) and NAT all related traffic
  • Juniper Networks Netscreen and SRX firewalls include complete SIP Application Layer Gateway support
  • Netopia Netopia supports ALG
  • PF, built-in OpenBSD firewall PF can handle the NAT through the "static-port" directive and the bandwidth control through the built-in queuing system of SIP connections
  • pfSense, a firewall/router distribution based on FreeBSD and PF; has QoS that properly tags VoIP traffic and a SIP proxy package that is available for NATed endpoints. Its functionality can be expanded with packages like FreeSWITCH, a free/open source software communications platform for making SIP, voice and chat driven products.
  • WatchGuard, WatchGuard XTM includes SIP and H.323 Application Layer Gateways designed to work in NAT environments for secure peer-to-peer or hosted connections.


Test tools[edit]

  • Ixia (company) commercial SIP-VoIP and Video test and emulation and load test platform
  • Mu Dynamics: commercial SIP-VoIP, RTSP-IPTV Triple Play service assurance platform
  • Codenomicon Defensics: commercial test automation framework
  • SIPp: open-source SIP and RTP test and load generation tools[5]

See also[edit]


  1. ^ "OpenSER Renamed To Kamailio". Retrieved 2015-02-20. 
  2. ^ "homepage". Retrieved 19 December 2014. 
  3. ^ "Yate client page". Retrieved 2011-12-01. 
  4. ^ "Yate official page". Retrieved 2011-12-01. 
  5. ^ "SIPp project home page". Retrieved 2014-02-26. 

External links[edit]