A dialog represents a peer-to-peer SIP relationship between two user agents that persists for some time.
A dialog is identified at each UA with a dialog ID, which consists of a Call-ID value, a local tag and a remote tag. 组成dialog-id的三个要素。
A dialog represents a peer-to-peer SIP relationship between two user agents that persists for some time.
A dialog is identified at each UA with a dialog ID, which consists of a Call-ID value, a local tag and a remote tag. 组成dialog-id的三个要素。