Alcatel’s NGN Solutions Seminar, November 21-22, 2000, Tehran, Slide n° 1 » All rights reserved © 2000, Alcatel

Ameneh Zahir-Emami

ameneh.zahir-emami@alcatel.fr

+33-1-30 77 33 36

VOIPITU Forum 2001

All rights reserved © 2000, AlcatelAmeneh Zahir-Emami

PSTN

Data Packet Network

Internet

Deregulation leads to increased competition.New players-New carriers-Service and content providers

Economical Drivers?

All rights reserved © 2000, AlcatelAmeneh Zahir-Emami

SERVICE layerSERVICE layer

SoftswitchSoftswitch

User Signalling Network Signalling User Sign.

SoftswitchSoftswitchCONTROL layerCONTROL layer

TRANSPORT layerTRANSPORT layerAccess NetworkAccess Network Edge/core BackboneEdge/core Backbone Access NetworkAccess Network

Packet networkPacket

networkAccess networkAccess network

Media GatewayMedia Gateway

Application & Network Application & Network Services DeliveryServices DeliveryIN, HLR, TMNIN, HLR, TMN SMC, AAA,SMC, AAA,

The Next generation NetworkTransport/Control/Service

All rights reserved © 2000, AlcatelAmeneh Zahir-Emami

Class 5

SwitchesClass 5

Switches

Packet Technology ATM-IP

PSTN Class 4 network

BICC-CS1

First move to the NGN

ISUP

Incumbent carriers: Back to reality….

All rights reserved © 2000, AlcatelAmeneh Zahir-Emami

Next Step towards the NGN….

BICC-CS2 / SIP / H323 Class 5

Call Server

MG

Class 5 Call server

MG

ATM

PSTNIsup

H.248 / Megaco

IPIP IP

All rights reserved © 2000, AlcatelAmeneh Zahir-Emami

CallServerCall

Server

BICC, SIP-BCP

H225, SIP

CallServerCall

Server

PacketnetworkPacketnetwork

AGWAGW

RGWRGW

H.248

POTSISDNSIP

H.323

PSTNPSTNTGWTGW

SGWSGWISUP/sigtran

H.248

NGN Architecture forfixed network and standards

ITU, IETF,ATMF, MSF, ISC, Parlay

All rights reserved © 2000, AlcatelAmeneh Zahir-Emami

Trends and challenges for a VOP services

� Interworking among all kind of terminals: cellular, PCs, PDAs, Phones

� QOS

� SIP / H323 / Megaco /COPS

� Multimedia

� Services

� NOT FORGETTING ECONOMICS!!!