Sofia-SIP is an open-source SIP User-Agent library, compliant with the IETF RFC3261 specification. It can be used as a building block for SIP client software for uses such as VoIP, IM, and many other real-time and person-to-person communicat

基于Freeswitch的ESL接口，编写的Linux下的彩铃DEMO。 注本人的环境： 1、操作系统（CentOS 5.7，32位）； 2、安装好g++后，在目录下直接make（Makefile文件已经写好）； 3、freeswitch的拨号计划中，需要配置为park状态。（freeswitch版本为1.2.8）-Based Freeswitch of ESL interface, ring tones DEMO Linux written under. Note my environment