什么是SIP-URI?
SIP URI是通过SIP呼叫他人的SIP地址方案。换句话说，一个SIP URI就是一个用户的SIP电话号码。SIP URI如同电子邮件地址一样，按以下格式书写：
SIP URI = sip:x@y:Port 其中 x=用户名，y=服务主机（域名或 IP）
范例：
- sip:[email protected]
- sip:[email protected]
- sip:[email protected]
SIP URI标准在RFC 3261标准中予以定义。
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