sip protocol introduction for dummies (Avaya customized edition) 时间:2014-02-01 07:51:07 【文件属性】: 文件名称:sip protocol introduction for dummies (Avaya customized edition) 文件大小:833KB 文件格式:PDF 更新时间:2014-02-01 07:51:07 SIP dummy sip related resource, simple and short, with Avaya's solutions 立即下载