SUBSCRIBE 请求如何终止 SIP 对话？

Question

“SUBSCRIBE”请求如何终止 SIP 对话？

Answer 1

您应该在 rfc6665 中找到所有答案。您可以更准确地查看第 4.2.1.4 节。刷新订阅 和部分 4.4.1。对话创建和终止

引用 rfc 的一些文本：

订阅者端请求对话结束的方法如下：

Clients can cause a subscription to be terminated immediately by
sending a SUBSCRIBE request with an "Expires" header field set to
'0'.

以及真正终止对话的最终 NOTIFY：

A subscription is destroyed after a notifier sends a NOTIFY request
with a "Subscription-State" of "terminated", or in certain error
situations described elsewhere in this document.

SUBSCRIBE 请求如何终止 SIP 对话？

How is a SUBSCRIBE request can terminate a SIP dialog?

sip