SIP呼叫典型流程圖解及詳細解釋(DOC 41頁)

1. Sip協議的相關術語：.....2
2......注冊流程.....4
3......注銷流程：.....6
4......基本呼叫建立過程：.....7
5......會話更改流程：.....8
6......正常呼叫釋放過程：.....10
7......被叫忙呼叫釋放：.....11
8......被叫無應答流程一：.....12
9......被叫無應答流程二：.....13
10......遇忙呼叫前轉：.....14
11......無應答呼叫前轉流程：.....16
12......呼叫保持：.....18
13......呼叫等待：.....21
14......盲轉流程.....25
15......詢問轉的流程.....27
16......彩鈴的流程.....28
17......三方通話.....31
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