1、查看某个模块是否被包含在编译选项里了：

See menuselect.makeopts
If you see chan_sip in the MENUSELECT_CHANNELS option, then it wasn't selected for building.

2、查看是否加载了某个模块:

CLI> module show like sip

3、如果没有安装chan_sip模块，则可能是在configure的时候没有安装 openssl-devel

You'll need to install openssl-devel and re-run ./configure.

sudo apt-get install openssl-dev  (or libssl-dev on Precise)

4、显示log信息：

在logger.conf里，把event或debug加入console里：

console => warning,notice,error,event,debug

sip set debug on

core set verbose 

core set debug 

sip set debug on

一个pc端的voip终端模拟软件： CounterPath.eyeBeam.Enhanced.v1.5.19.4-ZWT