sip开源协议栈,全部用c语言。 eXosip is a GPL library that extend the capability of the oSIP library. It aims to implement a simple high layer API to control the SIP for sessions establishements and common extensions.
It describes the implementation process of SIP voip call in the triple-play switch and discusses the transplantation and application of the osip stack in the Linux system, meanwhile, it proposes an embedded SIP switch application in the PSTN call pr