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SIP 相关技术系列讲座开讲(8)

时间:2017-09-21 来源:中国集群通信网 作者:网络 点击:

SIP trunk connectivity items ‘from the field’

Part 8:SIP 和 Fax over IP

Faxing Basics

Faxing background

T.30 Fax signaling

Associated tones and protocols

The ITU and TIA standards

Fax over IP

Fax over IP benefits

From the old to the new

Intro to FoIP

FoIP and SIP trunks

Protocol conversions

Fax Protocols

G.711 Pass-through

T.37 Store and Forward

T.38 Relay

Where does SIP fit in?

UDPTL

Protocol options for the future

FoIP in action

SIP in FoIP – Call Flow

SIP INVITE

INVITE for T.38

The INVITE SDP body

Wireshark FoIP example

SIP T.38 Call flows – IETF draft document

Bandwidth

T.38 and G.711 network traffic

Troubleshooting

The basics

More complex issues to watch out for

Ongoing Efforts

RFC 6913 and sip.fax tag

Use DTMF events instead?

Part 9:SIP和UC 融合通信介绍

Communication Breakdown

Playing Voicemail tag

Can’t find people

Available but not Available..!

More Examples of communication problems

IM Clients

IM Client Examples and Features

More in IM Clients

The Background Stuff

The IMPP working group

IMPP and CPP

More IMPP work

SIMPLE

How it all works

Presentity

A Basic SIP subscription

Multiple Presence States

Presence and P2P

A Presence Network

Getting inside the SIP packets

Presentity and more!

A Basic SIP Subscription

Multiple Presence States

Presence and P2P

A Presence Network

Get inside the SIP packets

The Packet Structure

PIDF Message Body

XML

Tuples

Example Presence doc with Tuples (using a Mobile Phone)

The METHODS in Action

PUBLISH

SUBSCRIBE

NOTIFY

MESSAGE

is-composing

Rich Presence

2 Places at the same time

‘Presence’ Federations

What is Federation?

Multiple Presence sources

Super-Aggregation

Inter-Domain Federation

Conferencing

What SIP does in Conferencing

INITIATE a conference

JOIN a conference

LEAVE / EXIT a conference

INVITE other participants

REFER conference server to invite or others to join

EXPEL participants

CONFIGURE the media stream

CONTROL a conference

Why SIP?


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