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SIP 相关技术系列讲座开讲(9)

时间:2017-09-21 来源:中国集群通信网 作者:网络 点击:

Centralized conferencing

Centralized Signaling

Centralized Mixing (optional)

Centralized Authentication

B2BUA (Discussed in core module)

Conference Components

The Focus

More than one Focus

Creating a Conference

Creating a Conference: Details

Adding a participant

Adding a participant: Details

Alternative INVITE with REFER

Unified Communications

What’s all the fuss?

Unified Confusion

What is Unified Communications?

From UC to UCaaS

Components involved

What should UC do?

21st Century Dial tone

The Unified inbox

Unified aware applications

Find me – Follow me

Device awareness

Unified Comms for Business

Humans and UC

Migrating to UCaaS

UCasS, SIP and the WAN

Part 10:SIP,云托管,LTE,IMS 介绍

Hosted SIP

What Hosted SIP service is

Hosted functions and features

Example Network including ‘failover’

‘Hosted’ clients in action

Why Hosted – Benefits and things to consider

Why on-site PBX – Benefits and things to consider

Auto Provisioning

Auto Provisioning Example

Boot Server

Client Config

Client boot sequence

Client config download

RFC 6011

Benefits of Hosted SIP Service

Benefits of Onsite PBX and SIP trunks

SIP, LTE, the IMS and VoLTE

Network Overview

RAN, eNodeB, EPC, IP Core and 3GPP

4G, LTE, LTE Advanced, WiMAX2

The RAN and EPC

Default Bearer Setup

Introduction to the Servers and Functions in the IMS

CSCF

S-CSCF

P-CSCF

I-CSCF

Home Subscriber Server HSS

Application Server

TAS

PSCF

DNS and ENUM

Device Registration (with SIP)

SIP Registration packet example

SIP in the IMS – Call Flow explained

Introduction to VoLTE and the threat of OTT services

Making VoLTE work

SIP Preconditions in Action

With Codec examples within SDP

SIP Call flow for VoLTE

Quality settings ‘recap’

VoLTE media flow

More on VoLTE

The IMS

Layers architecture

Application

IMS / Session Control

Access and Transport

3GPP

Multiple access devices

RCS and OTT

Who provides IMS solutions?

IPX and Peering for Security, QoS and SLAs

GSMA and IR.92

HD Voice News

SIP and Fax over IP

G.711 Pass-through

T.37 Store and Forward

T.38 Relay

UDPTL

SIP in FoIp

SIP INVITE

INVITE for T.38


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