1WELCOME

VOICE OVER INTERNET PROTOCOL

(VOIP)

INTRODUCTION

WHAT IS VOIP

4

VoIP - Voice over Internet protocol IP telephony

A technology by which routing of voice data are done through IP based networks

Voice data is transmitted over a packet-switched network instead of circuit-switched transmission lines

VoIP is a part of the group of technologies called Voice Over Packet Networks

WHY VOIPCost reduction

Toll by-pass

WAN cost reduction

Operational improvementCommon network infrastructure

Simplification of routing administration

5

WHY VOIPBusiness tool integration

Voice mail, email and fax mail integration

Web + call

Mobility using IP

6

CONCEPT OF VOIP

CONCEPT OF VOIP

8PSTN User

PSTN Gateway

VoIP User(IP Phone)

VoIP User(Analog Phone)

VoIP Adapter

ADSL Router

PC

VoIP Server

ADSL Router

MODE OF OPERATION

9

PC to PC

PC to Phone

Phone to Phone

Analog Phone

IP Phone

MODE OF OPERATION

Analog Phone

10

ATA (Analog Telephone Adaptor)

MODE OF OPERATION

Need a PC with sound card

IP telephony software :Zoiper, Adore,Internet Phone, etc

PC to PC

11

MODE OF OPERATION

PC to Phone

12LAN BLAN A

GW router router

PBX

IP Network

MODE OF OPERATION

Phone to Phone

13

LAN BLAN A

GW router GWrouter

PBX A PBX B

EXT 101 EXT 201IP Network

SOFT PHONELin Phone 3cx PhoneZoipersipXphoneAdore Softphone

14

SIP

ATA (ANALOG TELEPHONE ADAPTER)

15

Devices that convert an analog signal from the landline to digital signal over the internet

ESSENTIALS FOR VOIP CONNECTION

An Internet Connection, preferably broadband

Registration with a ITSP (Internet Telecom Service Provider)

A Phone: Analog, VoIP phone or use a soft phone

For analog telephone, a telephony adapter (TA)

16

OFFICE NETWORK

17

IP Network

IP Router

NBX 100

PSTNHub or Switch

Digital Handsets

PBX

TOLL BYPASS VIA INTERNET

18

Analog Phone

Analog FAXWS 100

Analog Phone

Analog FAXWS 100

Digital Handsets

PBX

T1 Internet connection

PC

Telecommuter

PC

Telecommuter

DSLCableconnection

InternetWebswitch 2000

PSTN

19

20