Patton electronic 4552 User Manual

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For Quick

For Quick

SmartNode 4552 & 4562

ISDN SoHo VoIP Gateway Router

Getting Started Guide

Sales Office: [phone]

Technical Support: [phone]

E-mail: [e-mail]

WWW: www.patton.com

Document Number: 13216U1-001 Rev. D

Part Number: 07MD4552-GS

Revised: July 20, 2006

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Patton Electronics Company, Inc.

7622 Rickenbacker Drive

Gaithersburg, MD 20879 USA

Tel: [phone]

Fax: [phone]

Support: [phone]

Web: www.patton.com

E-mail: [e-mail]

Trademark Statement

The terms SmartNode, SmartWare and SmartView are trademarks of Patton Electronics
Company. All other trademarks presented in this document are the property of their
respective owners.

Copyright © 2004–2006, Patton Electronics Company. All rights reserved.

The information in this document is subject to change without notice. Patton Elec­tronics assumes no liability for errors that may appear in this document.

Important Information

To use virtual private network (VPN) and/or AES/DES/3DES encryption capabilities
with the SmartNode 4552 & 4562, you may need to purchase additional licenses,
hardware, software, network connection, and/or service. Contact [e-mail] or
[phone] for assistance.

Warranty Information

The software described in this document is furnished under a license and may be used
or copied only in accordance with the terms of such license. For information about the
license, see Appendix F, "End user license agreement" on page 65 or go to

www.patton.com .

Patton Electronics warrants all SmartNode router components to be free from defects,
and will—at our option—repair or replace the product should it fail within one year
from the first date of the shipment.

This warranty is limited to defects in workmanship or materials, and does not cover
customer damage, abuse or unauthorized modification. If the product fails to perform
as warranted, your sole recourse shall be repair or replacement as described above.
Under no condition shall Patton Electronics be liable for any damages incurred by the
use of this product. These damages include, but are not limited to, the following: lost
profits, lost savings and incidental or consequential damages arising from the use of or
inability to use this product. Patton Electronics specifically disclaims all other warran­ties, expressed or implied, and the installation or use of this product shall be deemed
an acceptance of these terms by the user.

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Summary Table of Contents

1 General information...................................................................................................................................... 13

2 Applications overview.................................................................................................................................... 19

3 SmartNode installation.................................................................................................................................. 22

4 Initial configuration...................................................................................................................................... 29

5 Contacting Patton for assistance ................................................................................................................... 39

A Compliance information .............................................................................................................................. 42

B Specifications ................................................................................................................................................ 44

C Cabling ......................................................................................................................................................... 49

D Port pin-outs ................................................................................................................................................ 52

E SmartNode 4552 & 4562 factory configuration ........................................................................................... 55

F End user license agreement ........................................................................................................................... 65

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Table of Contents

Summary Table of Contents ........................................................................................................................... 3

Table of Contents ........................................................................................................................................... 4

List of Figures ................................................................................................................................................. 7

List of Tables .................................................................................................................................................. 8

About this guide ............................................................................................................................................. 9

Audience................................................................................................................................................................. 9

Structure................................................................................................................................................................. 9

Precautions ........................................................................................................................................................... 10

Safety when working with electricity ...............................................................................................................10

.......................................................................................................................................................................11

General observations .......................................................................................................................................11

Typographical conventions used in this document................................................................................................ 12

General conventions .......................................................................................................................................12

1 General information...................................................................................................................................... 13

SmartNode 4552 & 4562 overview .......................................................................................................................14

SmartNode 4552 & 4562 rear panel ...............................................................................................................15

SmartNode 4552 & 4562 front panel .............................................................................................................16

2 Applications overview.................................................................................................................................... 19

Introduction..........................................................................................................................................................20

Application—Multi-service ISDN Internet telephony IAD ...................................................................................20

Application—ISDN home or telecommuter connectivity......................................................................................21

3 SmartNode installation.................................................................................................................................. 22

Planning the installation........................................................................................................................................23

Site log ............................................................................................................................................................23

Network information ......................................................................................................................................23

Network Diagram ...........................................................................................................................................23

IP related information .....................................................................................................................................24

Software tools .................................................................................................................................................24

Power source ...................................................................................................................................................24

Location and mounting requirements .............................................................................................................24

Installing the gateway router..................................................................................................................................24

Placing the SmartNode ...................................................................................................................................24

Installing cables ...............................................................................................................................................25

Connecting ISDN terminals and NT to the SmartNode’s ISDN BRI ports ..............................................25

Connecting the 10/100Base-T Ethernet LAN and WAN cables ................................................................25

Connecting the power supply ....................................................................................................................26

External S-Bus power supply .....................................................................................................................27

4 Initial configuration...................................................................................................................................... 29

Introduction..........................................................................................................................................................30

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5

SmartNode 4552 & 4562 Getting Started Guide

Table of Contents

1. Power up the SmartNode ..................................................................................................................................30

2. Set your PC to DHCP.......................................................................................................................................30

3. Connect the PC to the SmartNode LAN Port ...................................................................................................32

Open the configuration interface ....................................................................................................................32

4. Get Started ........................................................................................................................................................33

Accessing the Internet .....................................................................................................................................35

Connecting a PC and logging in .....................................................................................................................35

Bootloader.............................................................................................................................................................36

Start Bootloader ..............................................................................................................................................36

Start-up with factory configuration .................................................................................................................37

Load a new application image (SmartWare) via TFTP ....................................................................................37

5 Contacting Patton for assistance ................................................................................................................... 39

Introduction..........................................................................................................................................................40

Contact information..............................................................................................................................................40

Patton support headquarters in the USA .........................................................................................................40

Alternate Patton support for Europe, Middle East, and Africa (EMEA) ..........................................................40

Warranty Service and Returned Merchandise Authorizations (RMAs)...................................................................40

Warranty coverage ..........................................................................................................................................40

Out-of-warranty service .............................................................................................................................41

Returns for credit ......................................................................................................................................41

Return for credit policy .............................................................................................................................41

RMA numbers ................................................................................................................................................41

Shipping instructions ................................................................................................................................41

A Compliance information .............................................................................................................................. 42

Compliance ...........................................................................................................................................................43

EMC ...............................................................................................................................................................43

Safety ..............................................................................................................................................................43

PSTN Regulatory ............................................................................................................................................43

Radio and TV interference ....................................................................................................................................43

CE notice ..............................................................................................................................................................43

ISDN compliance..................................................................................................................................................43

B Specifications ................................................................................................................................................ 44

DSP.......................................................................................................................................................................45

Voice connectivity .................................................................................................................................................45

Data connectivity ..................................................................................................................................................45

Voice processing (signalling dependent).................................................................................................................45

Fax and modem support........................................................................................................................................46

Voice signalling .....................................................................................................................................................46

Voice routing—session router................................................................................................................................46

IP services..............................................................................................................................................................46

Management .........................................................................................................................................................47

Operating environment .........................................................................................................................................47

Operating temperature ....................................................................................................................................47

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SmartNode 4552 & 4562 Getting Started Guide

Table of Contents

Operating humidity ........................................................................................................................................47

System...................................................................................................................................................................47

Dimensions ...........................................................................................................................................................47

Weight and power dissipation ...............................................................................................................................48

Identification of the SmartNode devices via SNMP...............................................................................................48

C Cabling ......................................................................................................................................................... 49

Introduction..........................................................................................................................................................50

Ethernet ................................................................................................................................................................50

ISDN BRI.............................................................................................................................................................51

D Port pin-outs ................................................................................................................................................ 52

Introduction..........................................................................................................................................................53

Ethernet ................................................................................................................................................................53

ISDN BRI 0/1 Phone (NT/Net) port....................................................................................................................53

ISDN BRI 0/0 Line (TE/Usr) port........................................................................................................................54

E SmartNode 4552 & 4562 factory configuration ........................................................................................... 55

Introduction..........................................................................................................................................................56

F End user license agreement ........................................................................................................................... 65

End User License Agreement.................................................................................................................................66

1. Definitions ..................................................................................................................................................66

2. Title ............................................................................................................................................................66

3. Term ...........................................................................................................................................................66

4. Grant of License ..........................................................................................................................................66

5. Warranty ....................................................................................................................................................66

6. Termination ................................................................................................................................................67

7. Other licenses .............................................................................................................................................67

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List of Figures

1 SmartNode 4552 & 4562 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2 SmartNode 4552 & 4562 rear panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3 SmartNode 4552 & 4562 front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4 Internet telephony IAD application (SN4552 shown) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5 ISDN home or branch office application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

6 Router front panel LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

7 Model 4552 external 40-VDC power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

8 Displaying the Network Connections window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

9 Displaying the Internet Properties (TCP/IP) Properties window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

10 Connecting the SmartNode to the network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

11 Using a web browser to access the SmartNode configuration interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

12 Login window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

13 Main GUI elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

14 WAN page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

15 Typical Ethernet straight-through cable diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

16 Connecting an ISDN device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

7

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List of Tables

1 General conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2 Rear panel ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3 SmartNode 4552 & 4562 LED definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4 Sample site log entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

5 PM-BRI-EXT S-Bus 40V power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

6 SmartNode weight and maximum power specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

7 SmartNode Models and their Unique sysObjectID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

8 RJ-45 socket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

9 RJ-45 socket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

10 RJ-45 socket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

8

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About this guide

This guide describes the SmartNode 4552 & 4562 hardware, installation and basic configuration. For detailed
software configuration information refer to the SmartWare Software Configuration Guide and the available Con­figuration Notes.

Audience

This guide is intended for the following users:

• Operators

• Installers

• Maintenance technicians

Structure

This guide contains the following chapters and appendices:

• Chapter 1 on page 13 provides information about router features and capabilities

• Chapter 2 on page 19 contains an overview describing router operation and applications

• Chapter 3 on page 22 provides hardware installation procedures

• Chapter 4 on page 29 provides initial procedures for configuring the SmartNode router

• Chapter 5 on page 39 contains information on contacting Patton technical support for assistance

• Appendix A on page 42contains compliance information for the SmartNode

• Appendix B on page 44 contains specifications for the routers

• Appendix C on page 49 provides cable recommendations

• Appendix D on page 52 describes the router’s ports and pin-outs

• Appendix E on page 55 lists the factory configuration settings for SmartNode 4552 & 4562

• Appendix F on page 65 provides license information that describes acceptable usage of the software pro-

vided with the SmartNode 4552 & 4562

For best results, read the contents of this guide before you install the router.

9

10

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SmartNode 4552 & 4562 Getting Started Guide

About this guide

Precautions

Notes, cautions, and warnings, which have the following meanings, are used throughout this guide to help you
become aware of potential problems. Warnings are intended to prevent safety hazards that could result in per­sonal injury. Cautions are intended to prevent situations that could result in property damage or
impaired functioning.

Note

A note presents additional information or interesting sidelights.

The alert symbol and IMPORTANT heading calls attention to
important information.

The alert symbol and CAUTION heading indicate a potential haz­ard. Strictly follow the instructions to avoid property damage.

The shock hazard symbol and CAUTION heading indicate a
potential electric shock hazard. Strictly follow the instructions to
avoid property damage caused by electric shock.

The alert symbol and WARNING heading indicate a potential safety hazard.
Strictly follow the warning instructions to avoid personal injury.

The shock hazard symbol and WARNING heading indicate a potential electric
shock hazard. Strictly follow the warning instructions to avoid injury caused
by electric shock.

Safety when working with electricity

This device contains no user serviceable parts. The equipment shall be
returned to Patton Electronics for repairs, or repaired by qualified service per­sonnel.

The external power adaptor shall be a listed limited power source that incor­porates a disconnect device and shall be positioned within easy reach of the
operator. The mains outlet shall be within 10 feet (3 meters) of the device,
shall be easily accessible, and protected by a circuit breaker.

11

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SmartNode 4552 & 4562 Getting Started Guide

Ensure that the power cable used with this devise meets all applicable stan­dards for the country in which it is to be installed, and that it is connected to
a wall outlet which has earth ground.

Hazardous network voltages are present in WAN ports regardless of whether
power to the unit is ON or OFF. To avoid electric shock, use caution when near
WAN ports. When detaching the cables, detach the end away from the device
first.

Do not work on the system or connect or disconnect cables during periods of
lightning activity.

Do not work on the system unless telephone network cables are disconnected
in order to prevent contact with telephone line voltages.

In accordance with the requirements of council directive 2002/96/EC on
Waste of Electrical and Electronic Equipment (WEEE), ensure that at end-of-life
you separate this product from other waste and scrap and deliver to the WEEE
collection system in your country for recycling.

About this guide

General observations

• Clean the case with a soft slightly moist anti-static cloth

• Place the unit on a flat surface and ensure free air circulation

• Avoid exposing the unit to direct sunlight and other heat sources

• Protect the unit from moisture, vapors, and corrosive liquids

12

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SN

SmartNode 4552 & 4562 Getting Started Guide

About this guide

Typographical conventions used in this document

This section describes the typographical conventions and terms used in this guide.

General conventions

The procedures described in this manual use the following text conventions:

Table 1. General conventions

Convention

Garamond blue type

Futura bold type

Futura bold-italic type

Italicized Futura type

Futura type Indicates the names of fields or windows.

Garamond bold type

< > Angle brackets indicate function and keyboard keys, such as <SHIFT>, <CTRL>,

[ ] Elements in square brackets are optional.
{a | b | c} Alternative but required keywords are grouped in braces ({ }) and are separated

blue screen

screen

node

# An hash sign at the beginning of a line indicates a comment line.

Indicates a cross-reference hyperlink that points to a figure, graphic, table, or sec­tion heading. Clicking on the hyperlink jumps you to the reference. When you
have finished reviewing the reference, click on the Go to Previous View

button in the Adobe® Acrobat® Reader toolbar to return to your starting point.
Commands and keywords are in boldface font.

Parts of commands, which are related to elements already named by the user, are
in

boldface italic

Variables for which you supply values are in

Indicates the names of command buttons that execute an action.

<C>, and so on.

by vertical bars ( | )
Information you enter is in blue screen font.
Terminal sessions and information the system displays are in screen font .
The leading IP address or nodename of a SmartNode is substituted with

boldface italic

The leading SN on a command line represents the nodename of the SmartNode

font.

font.

Meaning

italic

font

node

in

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Chapter 1

Chapter contents

SmartNode 4552 & 4562 overview .......................................................................................................................14

SmartNode 4552 & 4562 rear panel ...............................................................................................................15

SmartNode 4552 & 4562 front panel .............................................................................................................16

General information

13

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14

SmartNode 4552 & 4562 Getting Started Guide

1 • General information

SmartNode 4552 & 4562 overview

The SmartNode 4552 & 4562 ISDN Small Office/Home Office (SoHo) Gateway-Router (see figure 1) com-
bines Ethernet switching, IP routing, VPN/Security, and Quality of Service with high-quality Voice over IP
(VoIP) delivered on an ISDN S
low-cost Internet Telephony on existing ISDN Phones and PBX equipment for complete SoHo and branch
office voice and data connectivity.

(S/T) Basic Rate Interface (BRI). This combination allows you to leverage

0

Figure 1. SmartNode 4552 & 4562

The SmartNode 4552 & 4562 is equipped with a 10/100Base-T Ethernet WAN port and an integrated 4-port
10/100Base-T Ethernet switch.

The SmartNode 4552 & 4562 Gateway-Router performs the following major functions:

• Two channels of Voice over IP and local voice switching via 2 ISDN BRI S

0

ports, one NT port for connec-

tion to ISDN terminal equipment and one TE port for connection to the ISDN network/switch.

• A fallback cut-through relay between the two ISDN BRI ports electrically connects the NT and TE port

in case of power failure and enables life-line calls to the public ISDN network (PSTN-supplied ISDN
line must be used).

• Standard compliant VoIP in accordance with SIP or H.323 protocols.

• Internet access and IP Routing with IP Quality of Service (QoS) support for mixed voice and data traffic.

SmartNode 4552 & 4562 overview

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15

SmartNode 4552 & 4562 Getting Started Guide

1 • General information

SmartNode 4552 & 4562 rear panel

The SmartNode 4552 & 4562 is a compact VoIP Gateway Router that supports two VoIP calls on two ISDN
BRI ports (see figure 2). The SmartNode 4552 & 4562 rear panel ports are described in table 2.

Port

WAN ETH 0/0

LAN (ETH 0/1) 1–4

Line (BRI 0/0)

Phone (BRI 0/1)

5V DC, 1.0A
Reset

Figure 2. SmartNode 4552 & 4562 rear panel

Table 2. Rear panel ports

Description

Auto-MDX Fast-Ethernet port, RJ-45 (see
device (for example, a cable modem, DSL modem, or fiber modem).

Switched Auto-MDX Fast-Ethernet ports, RJ-45 (see
net LAN (for example, a PC, printer, or wireless bridge).

ISDN BRI TE (Usr) port, RJ-45 S0 (S/T)-interface (see figure 2), connects the unit to an
ISDN NT. Point-to-point or point-to-multipoint configurable.

ISDN BRI NT (Net) port, RJ-45 S0 (S/T)-interface (see figure 2), connects the unit to
an ISDN phone or PBX trunk-port. Point-to-point or point-to-multipoint configurable.

The Model 4552 has a 5V DC power input (see figure 2).
The reset button (see figure 2) has three functions:

figure 2

), connects the unit to an Ethernet WAN

figure 2

), connect the unit to an Ether-

• Restart the unit with the current startup configuration—Press (for less than 1 second)

Reset

and release the

• Restart the unit with factory default configuration—Press the

5 seconds until the
the unit with factory default configuration.

button to restart the unit with the current startup configuration.

Reset

button for

Power

LED (see figure 3 on page 16) starts blinking to restart

• Restart the unit in bootloader mode (to be used only by trained SmartNode tech-

Reset

Power

button as

LED starts

nicians)—Starting with the unit powered off, press and hold the
you apply power to the unit. Release the
blinking so the unit will enter bootloader mode.

Reset

button when the

SmartNode 4552 & 4562 overview

SmartNode 4552 & 4562 Getting Started Guide 1 • General information

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Figure 3. SmartNode 4552 & 4562 front panel

SmartNode 4552 & 4562 front panel

Figure 3 shows SmartNode 4552 & 4562 LEDs, the LED definitions are listed in table 3.

Table 3. SmartNode 4552 & 4562 LED definitions

LED Description

Note If an error occurs, all LEDs will flash once per second.

Power When lit, indicates power is applied and the unit is in normal operation. Off indi-

cates no power applied. Flashes once per second during boot (startup).

VoIP Link

• On indicates the gateway is registered to an H.323 gatekeeper/SIP server, or,

in the case of direct routing, has at least one active VoIP connection.

• Off indicates the unit is not configured or registered, or has no active direct-

routed VoIP connection.

• Flashing green indicates that the unit is attempting to register or has failed

to register.

BRI (Phone and Line) Off indicates no active calls. Blinking when one or two B-channels are connected.
Ethernet

(LAN 1–4 and WAN)

• On when the Ethernet connection on the corresponding port has a

link indication.

• Flashes when data is received or transmitted at the corresponding Ethernet port.

SmartNode 4552 & 4562 overview 16

SmartNode 4552 & 4562 Getting Started Guide 1 • General information

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SmartNode 4552 & 4562 overview 17

SmartNode 4552 & 4562 Getting Started Guide 1 • General information

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SmartNode 4552 & 4562 overview 18

Chapter 2 Applications overview

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Chapter contents

Introduction..........................................................................................................................................................20

Application—Multi-service ISDN Internet telephony IAD ...................................................................................20

Application—ISDN home or telecommuter connectivity......................................................................................21

19

SmartNode 4552 & 4562 Getting Started Guide 2 • Applications overview

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Introduction

Patton’s SmartNode VoIP Media Gateway Routers deliver the features you need for advanced multiservice
voice and data network applications. They combine high quality voice-over-IP with powerful quality of service
routing functions to build professional and reliable VoIP and data networks. This chapter describes typical
applications for which this SmartNode is uniquely suited.

Note Detailed configuration information for the applications can be found on the

CD-ROM that was included with your SmartNode device or online from
the Patton webserver at www.patton.com.

Application—Multi-service ISDN Internet telephony IAD

The SmartNode 4552 & 4562 with two ISDN BRI ports can be used to make and receive calls to and from
the public ISDN network and Internet Telephony services on any ISDN Terminal (Phone or PBX) (see

figure 4). Using individually configurable routing tables, an outbound call can be directed to the local PSTN

connection or to an Internet telephony service provider (ISTP). Inbound calls from the Internet and the PSTN
can ring the same phone.

Figure 4. Internet telephony IAD application (SN4552 shown)

Broadband network connectivity integrates with any fixed IP, DHCP or PPPoE service. An integrated 10/100
Ethernet LAN switch, with advanced routing features such as NAT, Firewall/ACL, DynDNS as well as
optional IPSec VPN, fulfills the requirements of demanding network users.

Quality of Service (QoS) features complete the offering with advanced voice prioritization and traffic manage­ment. Patton’s patent-pending DownStreamQoS™ ensures voice without interruptions even over best-effort
Internet connections.

Introduction 20

SmartNode 4552 & 4562 Getting Started Guide 2 • Applications overview

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Application—ISDN home or telecommuter connectivity

For a SoHo/telecommuter, the SmartNode 4552 & 4562 can provide an off-premise extension to the corpo­rate network (see figure 5). Along with the access to the corporate ISDN PBX, the SmartNode provides Inter­net access and VPN connectivity to the main office. In this configuration, the remote user will appear to be
local and can take advantage of services available to local telephony and LAN users (such as file-server access,
station-to-station dialing, outside trunk access, and voice mail). Additionally, the home user can take advantage
of corporate dialing rates.

Figure 5. ISDN home or branch office application

Application—ISDN home or telecommuter connectivity 21