开源的SIP项目～～～

Project Name	Description	Files	Activity %
sipp	Sipp is a performance testing tool for the SIP protocol. Its main features are basic SIPStone scenarios, TCP/UDP transport, customizable (xml based) scenarios, dynamic adjustement of call-rate and a comprehensive set of real-time statistics.		84.69%
Shtoom - a python SIP framework & phone	A software SIP (Voice over IP) Framework, including a phone, written in Python		80.27%
siproxd - SIP proxy/masquerading daemon	Siproxd is a proxy/masquerading daemon for the SIP protocol. It allows SIP clients (like kphone, linphone) to work behind an IP masquerading firewall or router.		78.00%
WinSip: Simple Windows SIP Proxy	Simple RFC3261 Compliant SIP Proxy.		73.44%
SaRP	A simple SIP and RTP NAT friendly proxy for SIP based VoIP		66.70%
Net Phone	Simple command line IP telephonly application for Linux, that doesn't conform to either H.323 or SIP, doesn't use RTP and is not interoperable with any other program. It does work well though, and has quite good audio quality.		25.25%
reSIProcate	SIP Stack that is RFC 3261 compliant.		9.46%
SIPcon1	SIPcon1 is a standards-compliant soft phone using video, text and voice with accessibility features.
TeleMe Home Portal	Project goal is to create an open source instant messenger and telephone user agent compatible with industry standards for Jabber, MSN, Yahoo, ICQ, AIM and VoIP (H.323, SIP, etc.). The user agent will be completely skinable and leverage other open sourc
Universal Transport for SIP	Universal Transport For Sip, Including UDP,TCP,HTTP Proxy Tunnelling,Sock4/5,STUN,UPNP,TURN, also a extension in sip for net tunnelling establish.
siplogview	Command line perl script to view PortaSIP SIP server log files in convenient form.
NauPhone	Open source Call Center software, based on H.323/SIP protocols. Contains Nauphone(Software multi-channel IP Phone, with conferences and ability to integrate with other systems(CRM)) and NauLib(VoIP Library based on OpenH323 and Vovida SIP)
SIPSec	A secure SIP VoIP client using the new security features from RFC3261 like S/MIME. A console application written in c++.
OSIP Proxy	Firewall aware SIP proxy.