freeswitch turn off call-auth 关闭呼叫认证
freeswitch 关闭呼叫认证，防止每次呼叫产生报文: SIP/2.0 407 Proxy Authentication Required
1.修改conf/vars.xml文件
把以下行中的true改为false
2.修改conf/autoload_configs/acl.conf.xml,增加
3.修改后重启freeswitch,奇迹出现
SIP协议学习总结
SIP对应关系
注册命令(信令)
REGISTER registers the address listed in the To header field with a SIP server
由UA向注册服务器请求To字段中带的SIP地址
200 ok or other error code from server
第1对命令
SUBSCRIBE request current state and state updates from a remote node.
NOTIFY used to notify a SIP node that an event which has been re[......]