karan singh voip elements

8/14/2019 karan singh voip elements

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VoIP


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Key terms about VoIP

H.323

SIP

CODECs

G.711

G.729

G.723

FXS and FXO

Gateway

T.38 FAX

These are what

everyone talks about


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What is VoIPthe technology

Voice over IP (VoIP) samples 1060ms of voice with anAnalog-to-Digital conversion process (CODEC). This is similarto the way the phone company does it today with PCM (Voiceover T1/E1).

These samples are placed into an IP packet and sent over thenetwork.

A far-end device reassembles the voice stream on the otherside.

IP Network

Internet

VoIP

Gateway

Analog or

Digital voice

circuit

VoIP

GatewayIP Packets with Voice Samples

Analog or

Digital voice

circuit


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Typical VoIP System Elements

IP Network

PSTN

Terminals

IP Phone

Multimedia PC

Gateways

PSTN, ISDN

V5, SS7

Softswitch

GatekeeperCall-Manager

Softswitch

Network-Server

Network Interworking

Signaling Conversion

Media Conversion

Packetization and reassembly

ISDN, PSTN, V 5.2, SS7

Client Registration

AuthenticationStatus

Number Mapping

Accounting

User Interaction

Dial-tone, Ringtone, etc

Registers with Call Control

Media Conversion


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VoIP Technology: Media Standards

G.711

G.726

G.729

G.723 @ 6.3

GSM-EFR

Comments

Toll quality, full rate, lowest delay

Free: good compromise

Licensed: best compromise

Licensed: low bandwidth

For Reference: mobile phones

CodecCodec

Rate

[kb/s]

64

16 - 40

8

6.3

12.2

IP BW/Call

one way

[kb/s]

96

32 - 56

24

17

-

Recommend G.711 if no bandwidth limitations apply!

Toll Quality

Low Delay

Best all around!

Packet

Length

[ms]

10/20

20

20

30

Various CODECs are used for voice compression:


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Fax over IP: w tch out for this1) Fax Relay, T.38

IP

A/D D/A

Fax Bypass, T.30 Fax over G.711, 96Kb

Fax-Relay, T.38 packets

2) Fax Bypass, G.711

T.30 Fax T.30 Fax

The Fax tones are terminated in the

gateway, relayed in packet form andre-modulated at the far end.+ Uses less bandwidth+ Is reliability(offers redundancy)- Is less interoperable

The Fax is carried in a G.711 voice

channel just like a regular phone call.

+ Is interoperability with any gateway- Uses more bandwidth

- Is less reliability


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Signalling Standards Snapshot

Signaling protocols defines how VoIP equipment communicate to actually

set-up, establish and release telephone calls over IP networks. For

example

Ring, Talk and Hang-up.

H.323

The oldest and most widely supported call control protocol.

Current Version is v4 (we support it now!)

Is actively enhanced by the international standards community

Offers the most interoperability between 3rdparty equipment.

Business focused

SIP

The newest of the call control protocols

IETF (Internet based); looks like html; most extendable

Messaging for all types of user devices (phones, PC, GSM)

Carrier/CLEC focus

We support it today!

MGCP

Oriented towards softswitch carrier architectures

Focuses on the central site over CPE

Supported in SmartNodes today!


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VoIP Terms Defined (1)

Softswitch

Call control and route server in a VoIP network providing user AAAservices and intra-network call switching. This is Independent of the VoIPprotocol (H.323, MGCP, SIP).

Gatekeeper (GK)

H.323 specific term. The GK is responsible for the management of theusers (clients) and gateways in his H.323 area (zone). Implemented assoftware on a server or integrated as a function in a Gateway.

Gateway (GW) (This is what SmartNodes do!)

Signaling or Media-Gateway (may be combined in one equipment)provides conversion between different networks-protocols or technologies.

H.323 Client

Terminal in an H.323 network. IP-Phone or Soft-Phone (e.g. NetMeeting).

AAA

User Authentication, Authorization, Accounting. Required functions for acommercial VoIP Service. Carrier centric and provided by Gatekeeper.


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VoIP Terms Defined (2)

RAS

Registration Authentication Status: H.323 Sub-protocol used to register log-in anH.323 Gateway or Client at the Gatekeeper

SIP User Agent

SIP Equipment or software representing an end-user. The user agent includes a a

SIP client (to initiate calls) and SIP server (to terminate calls). This is inside a

SmartNode gateway.

SIP Network Server

SIP Equipment or software in the network required to register and localize User

Agents and their end-users. A SIP Network Server can operate in redirect or proxy

mode. This is a server box routing calls.


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Telephony Terms

THESE YOU HAVE TO KNOW!

BRI, S0, S/T 2 B + 1 D channel > 2 voice connections

E1, PRI, S2m 30 B + 1 D channel > 30 voice connections

T1, PRI 23 B + 1 D channel > 23 voice connections

FXS phone jack, 2-wire POTS interface

FXO line jack, 2-wire POTS interface

Switch

NTBRI/PRI

TE

FXO

2-wires

4-wires4-wires

FXS

2-wires

Switch

FXSFXO

IP

ISDN

POTS

TE

IP

NT


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Building Blocks for QoS (2)

A Shaper can limit a Traffic Class to a defined bandwidth

Frees Bandwidth for real-time (voice) traffic without packet loss

Improves the Performance of interactive Applications

Very usefull for short connections e.g Web requests

WWWSH

For Example: Traffic Shaping

max

Data Burst

Web-Page

voice

unused

Data Burst

Web-Page

voice

unused

Data Burst

Web-Page

max

t t

Bandwidth Bandwidth


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The integration of QoS Router and VoIP Gateway makes things

much easier

Traffic Classes are defined at network interfaces

No tagging necessary for point-to-point links

Optimal bandwidth usage and control

LAN LANWAN Link

Q

GW

Q

GW

Classification

Conditioning

Marking

Smart combination of QoS and VoIP


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Products


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New Products: SmartNode 4110 Series

SN4112, SN4114, SN4116, SN4118 2-8 port analog VoIP Gateway

2/4/6/8 2-wire FXS ports

2/4 2-wire FXO ports

10/100bTx Ethernet LAN connection

Console Port: RS-232 RJ45

QoS support TOS, DiffServ

802.1p

PPPoE client, DHCP client

Memory 32MB SDRAM / 4MB Flash

Integrated or external universal power

supplies 100-240 VAC (50/60 Hz)

Desktop Chassis

CE mark, EN 60950

FXS/FXO ToIP Media-Gateway

When to use...

Use the SN4100 series to

integrate analog terminals

phones and PBXsin to VoIP

networks


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SmartNode 4520 Series

SN4112, SN4114, SN4116, SN4118 2-8 port analog VoIP Gateway

2/4/6/8 2-wire FXS ports

2/4 2-wire FXO ports

Dual 10/100bTx Ethernet LAN/WAN

Console Port: RS-232 RJ45

Full QoS support TOS, DiffServ, 802.1p

Traffic Management

Full featured IP-Router

NAT/PAT, PPPoE, DHCP, ACL,

QoS

Memory 32MB SDRAM / 4MB Flash Integrated or external universal power

supply

100-240 VAC (50/60 Hz)

Desktop Chassis

CE mark, EN 60950

Dual Ethernet ToIP Router-Gateway

When to use...

Use the SN4500 Series as an

CPE Access Gateway for analog

voice and data on anybroadband access; Cable, DSL

or WLL


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NEW: SmartNode 4552

10/100 Ethernet WANFor universal connectivity toDSL, Cable, WLL or Fiberuplinks

4 port Ethernet Switch10/100bTX For SOHO LANconnectivity. Connect PC,Printer, WiFi Bridge without

extra hub or switch

2 ISDN BRI/So portsInsert the Gateway betweenyour installed ISDN Terminalsand the ISDN NT for simple

installation and universal callrouting

Life-Line BypassA bypass Relay connects thelocal ISDN port directly to thefallback line in case of power

failures.

The SmartNode 4552 is a Voice over IP CPE for ISDN BRI/So users. It

combines a feature rich Broadband Access Router with advanced Quality of

Service features and high-quality VoIP for ISDN Terminals.


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SmartNode 1200 / 4552 Typical Installation

Example of an Installation with a DSL Access

Splitter DSL Modem

ISDN NT

Copper

Ethernet

10bT

ISDN S/T

Internet Access

VoIP Access

ISDN Fallback

ADSL Annex B


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SmartNode 1400

When to use...

Use the SN1400 for dual ISDN

BRI PBX networking or LAN

gateway. Stack for n x BRI.

Integrated Broadband Access Router

and VoIP Gateway

4-Channel VoIP Gateway

2 ISDN BRI NT/TE configurable

Lifeline: Bypass switch between BRI

Ports

LAN/WAN: 2 x 10bT Ethernet

Console Port: RS-232 RJ45 Full featured 10 Mb/s Broadband Access

Router

NAT/PAT, ACL/FW, PPPoE, DHCP,

QoS

CPU Motorola MPC850 @ 50 MHz

Memory 16MB SDRAM / 4MB Flash

Integrated universal power supply

100-240 VAC (50/60 Hz)

Desktop and Wall-mount Chassis

CE mark, EN 60950

Optional Line Power with PM-BRI-ext


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SmartNode 2300 Interfaces

3 Interface Card Slots PMC Format

PCI (packet) interface

PCM (circuit) interface

ETH 0/0

Ethernet

10baseTWAN or DMZ

Console: RS-232, RJ45

Serial 0/0X.21, V.35

WAN port for

PPP, FR

Router

ETH 0/1

Ethernet

10/100bTXLAN

Data AccessVoice Access


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SmartNode 2400

Up to 120 VoIP channels (4xPRI)

Dual 10/100bT LAN/WAN

Full featured 100Mb/s Wire speed routing

NAT/PAT, ACL/FW, DHCP, PPPoE

CPU Motorola MPC750 @ 333 MHz

Memory 32MB SDRAM (upgradable) /8MB Flash

19 1HU desktop or rack-mount alu-

chassis

Internal power supply: 100-240 VAC

(50/60 Hz)

CE mark, EN 60950

Optional Line Power available with power

module: PM-BRI-extWhen to use...

Use the SN2400 with up to 4 IC-

E1V/T1V and 120 VoIP

channels as CO gateway

Modular Ethernet Access Router and

VoIP Gateway


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4 Interface Card Slots

PMC Format

PCI (packet) interface

PCM (circuit) interface

SmartNode 2400 Interfaces

Console: RS-232, RJ45

ETH 0/0 and 0/1

FastEthernet10/100bTX

LAN or WAN


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SmartNode Interface Card IC-E1V

30-channel VoIP Gateway Card

1 ISDN PRI E1, S2m port

NT or TE configurable

Full Codec and Fax over IP support

G.711, G.726, G.729, G.723

T.38 Fax-Relay

G.711 Fax-Bypass

Echo Cancellation, DTMF Relay

PMC standard form factor

No E1 data on this card

ISDN Primary Rate interface

Card for SmartNode 2000

Series

When to use...

Use the IC-E1V for PBXnetworking in a CPE or as

concentrator port in the CO

gateway.

Use up to 2 in 2300 and 4 in

2400


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SmartNode Interface Card IC-T1V


1 ISDN PRI port

NT or TE configurable

Full Codec and Fax over IP support

G.711, G.726, G.729, G.723

T.38 Fax-Relay

G.711 Fax-Bypass



Signaling ISDN NI-2

ISDN Primary Rate interface Card for


When to use...

Use the IC-T1V for PBX

networking in a CPE or asconcentrator port in the CO

gateway.

Use up to 2 in 2300 and 4 in

2400


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SmartNode Interface Card IC-4BRV-8V


4 ISDN BRI, So, S/T ports

configurable NT/TE

Configurable pt-pt / pt-mpt

Full Codec and FoIP support

G.711, G.726, G.729, G.723

T.38 Fax-Relay

G.711 Fax-Bypass



Optional Line Power with PM-48V-int

4 Port ISDN Basic Rate interface

Card for SmartNode 2000 Series

When to use...

Use the IC-4BRV-8V ISDN BRI

PBX networking with call routing

and local PSTN breakout.


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SmartNode Interface Card IC-4FXS

4 Port FXS Interface Card for



4 Euro POTS ports

2-wire FXS loopstart

Full Codec and FoIP support

G.711, G.726, G.729, G.723

T.38 Fax-Relay

G.711 Fax-Bypass



Requires power module PM-48V-int to beinstalled inside 2300 or 2400 for line andring power

When to use...

Use the IC-4FXS for analog

phones or PBX systems at the

CPE


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SmartNode 4960

It is not modular!

1E1

4E1

VoIP license from 15 to 120 channels

PROMOTION UNTIL END OF OCTOBER:

You pay one and we give two


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VoIP Applications

IP Telephony in the LAN

Enterprise networking with VoIP

Multi-Service Carrier Access

A li ti i th P id M k t


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Applications in the Provider Market

Multi-Service Broadband Access

Bind Customers through Service

Differentiation

Bind Customers with Bundled Services

Cut Operation Costs through Converged

Service Delivery

PSTN

Provider Backbone

Internet

Services

Application

Services

Voice

Services

Customer Networks

SmartNode

Customer Premises

Gateways

WLL

xDSL

CATV Leased Lines

BB Access

PowerLine

A li ti i E t i N t k


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Applications in Enterprise Networks

Global Enterprise Communications

IP Network

Internet

PSTN

Main OfficeBranch Office

Cut WAN costs in office to office communicationLong distance and international toll bypass

Telephony integration of Home Offices

Telephony integration of remote branches

SmartNode SmartNode

PBX Extensions

Ethernet LAN

(1)


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PBX Networking Installation (1)

Equipment SmartNode 2300 with 2 x IC-4BRV

SmartNode is used as Gateway, Router and Switch

100bT LAN

Serial WAN

Site A Site B

TVAPBX PSTN

4 x BRI

4 x BRI

2 x BRI 2 x BRI

100bTX

leased line

X.21X.21

PBX N t ki I t ll ti (2)


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PBX Networking Installation (2)

Customer Benefits

Interoffice Toll Bypass based on legacy PBX installation

Telephony, Internet Access and VPN with a single device

SN4528 SN4114

SN4526

IP/WAN/VPN

WWW8-lines 4-lines

6-lines

PLAR P i t Li / H t li


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PLARPrivate Line / Hot line

Customer Benefits Toll free hotline service over existing Data network Infrastructure

Connectivity on any IP network

SN4114 SN4114

IP/WAN/VPN

WWW

E t i H Offi PBX E t i


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Enterprise Home Office PBX Extension

Main Office

LAN

Gatekeeper

Public Gateway

SN1400

PBX

Router

NAT

Firewall

Internet

PSTN

Home Office

BRI

BRI

Modem

Modem

2 xBRI

5 xBRI

SN1200

Enterprise Opportunity Analysis


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Enterprise Opportunity Analysis

Multiple PBXs at different sites

The sites are already connected to the Internet with sufficient bandwidth (50 to 100k per voice connection), or a

connection can be established easily. (e.g. Leased Lines, DSL, Cable Modem, Laserlink, WiFi etc.)

Remote

Offices withoutPBX

The PBXs are already

networked using QSIG

The PBXs are not networked. Calls

between sites go through the PSTN

SmartNode Solution: toll

bypass over IP. Save on

the monthly telefone bill.

SmartNode Solution:

QSIG networking over

IP. Save the cost of

dedicated leased lines.

SmartNode Solution :

remote sites are served

as IP extensions of the

central PBX.

Check if it is a SmartNode Opportunity?

Home Office

Access tocentral PBX

Condition

Requirement

Environment

Solution

karan singh voip elements

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