With open source library SIP osip, ortp, to sip protocol communication process validation. Is a very good verification process. Please install the SIP proxy server.

SIP编译
.......\exosip
.......\......\exosip2
.......\......\.......\Debug
.......\......\.......\.....\eXcall_api.obj
.......\......\.......\.....\eXconf.obj
.......\......\.......\.....\eXinsubscription_api.obj
.......\......\.......\.....\eXmessage_api.obj
.......\......\.......\.....\eXoptions_api.obj
.......\......\.......\.....\eXosip.obj
.......\......\.......\.....\exosip2.dll
.......\......\.......\.....\exosip2.exp
.......\......\.......\.....\exosip2.ilk
.......\......\.......\.....\exosip2.lib
.......\......\.......\.....\exosip2.pch
.......\......\.......\.....\exosip2.pdb
.......\......\.......\.....\eXpublish_api.obj
.......\......\.......\.....\eXrefer_api.obj
.......\......\.......\.....\eXregister_api.obj
.......\......\.......\.....\eXsubscription_api.obj
.......\......\.......\.....\eXtransport.obj
.......\......\.......\.....\eXutils.obj
.......\......\.......\.....\inet_ntop.obj
.......\......\.......\.....\jauth.obj
.......\......\.......\.....\jcall.obj
.......\......\.......\.....\jcallback.obj
.......\......\.......\.....\jdialog.obj
.......\......\.......\.....\jevents.obj
.......\......\.......\.....\jnotify.obj
.......\......\.......\.....\jpipe.obj
.......\......\.......\.....\jpublish.obj
.......\......\.......\.....\jreg.obj
.......\......\.......\.....\jrequest.obj
.......\......\.......\.....\jresponse.obj
.......\......\.......\.....\jsubscribe.obj
.......\......\.......\.....\misc.obj
.......\......\.......\.....\sdp_offans.obj
.......\......\.......\.....\udp.obj
.......\......\.......\.....\vc60.idb
.......\......\.......\.....\vc60.pdb
.......\......\.......\eXcall_api.c
.......\......\.......\eXconf.c
.......\......\.......\eXinsubscription_api.c
.......\......\.......\eXmessage_api.c
.......\......\.......\eXoptions_api.c
.......\......\.......\eXosip.c
.......\......\.......\eXosip2.def
.......\......\.......\exosip2.dsp
.......\......\.......\exosip2.dsw
.......\......\.......\eXosip2.h
.......\......\.......\exosip2.ncb
.......\......\.......\exosip2.opt
.......\......\.......\exosip2.plg
.......\......\.......\eXpublish_api.c
.......\......\.......\eXrefer_api.c
.......\......\.......\eXregister_api.c
.......\......\.......\eXsubscription_api.c
.......\......\.......\eXtransport.c
.......\......\.......\eXutils.c
.......\......\.......\inet_ntop.c
.......\......\.......\inet_ntop.h
.......\......\.......\jauth.c
.......\......\.......\jcall.c
.......\......\.......\jcallback.c
.......\......\.......\jdialog.c
.......\......\.......\jevents.c
.......\......\.......\jnotify.c
.......\......\.......\jpipe.c
.......\......\.......\jpipe.h
.......\......\.......\jpublish.c
.......\......\.......\jreg.c
.......\......\.......\jrequest.c
.......\......\.......\jresponse.c
.......\......\.......\jsubscribe.c
.......\......\.......\misc.c
.......\......\.......\osip2.lib
.......\......\.......\osipparser2.lib
.......\......\.......\sdp_offans.c
.......\......\.......\udp.c
.......\......\include
.......\......\.......\eXosip2
.......\......\.......\.......\eXosip.h
.......\......\.......\.......\eX_call.h
.......\......\.......\.......\eX_message.h
.......\......\.......\.......\eX_options.h
.......\......\.......\.......\eX_publish.h
.......\......\.......\.......\eX_refer.h
.......\......\.......\.......\eX_register.h
.......\......\.......\.......\eX_setup.h
.......\......\.......\.......\eX_subscribe.h
.......\......\.......\.......\Makefile.am
.......\......\.......\.......\Makefile.in
.......\......\.......\Makefile.am
.......\......\.......\Makefile.in
.......\ortp
.......\....\include
.......\....\.......\Makefile.am
.......\....\.......\Makefile.in
.......\....\.......\ortp
.......\....\.......\....\event.h

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