我启动red5，
然后我开始 red5phone
我尝试注册 sip 用户，我提供的详细信息是
用户名 = 999999
密码 = ****
ip = 星号服务器ip
我得到了
-- 注册联系人 -- sip:999999@127.0.0.1:5072
正确的联系方式可能是
-- 注册联系人 -- sip :99999@asteriskserverip
这是日志：
SipUserAgent - listen -> Init...
Red5SIP register
[SIPUser] register
RegisterAgent: Registering contact <sip:99999@127.0.0.1:5072> (it expires in 3600 secs)
RegisterAgent: Registration failure: No response from server.
[SIPUser] SIP Registration failure Timeout
RegisterAgent: Failed Registration stop try.
Red5SIP Client leaving app 1
Red5SIP Client closing client 35C1B495-E084-1651-0C40-559437CAC7E1
Release ports: sip port 5072 audio port 3002 …