MIME

MIME

Multiple MIME parts

SIP and the PSTN

SIP and the PSTN

SIP to PSTN Detail

SIP to PSTN Call Flow

SIP Codes and the PSTN

SIP and B2BUA

B2BUA - Back to Back User Agent

B2BUA Example

B2BUA Benefits and Features

SIP ‘Call Process’ Summary

The Call Process

Part 2：Wireshark 工具

Wireshark

What is Wireshark?

Download Wireshark

Wireshark

Introduction

Menus, Screens and Views

Capturing traffic

Profiles

Display Filters

Capture Filters

SIP Packet Analysis

SIP ladders and Audio Playback

Other Menu options

SIP INVITE Analysis

Follow a UDP Stream

Frame Relationships

Colouring Rules

RTP Streams

View Captures in the ‘Cloud’

What are the codes?

Part 3：SIP/PSTN 介绍

SIP-T and the PSTN

SIP to PSTN Overview

SIP to PSTN Call Flow

SIP to PSTN Detail

PSTN to SIP Call Flow

SIP to PSTN Call Failure

SIP to PSTN Call trace

Early Media

Early Media - SIP to PSTN Call

Early Offer and Delayed Offer

Early Offer / Delayed Offer

Gateways

(责任编辑：李俊勇)