Avaya G450 User Manual
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Overview for the Avaya G450 Media
Gateway
03-602058
January 2008
Issue 1
© 2008 Avaya Inc.
All Rights Reserved.
Notice
While reasonable efforts were made to ensure that the inform ation in this
document was complete and accurate at the time of printing, Avaya Inc. can
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questions about your product. The support telephone number
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Contents
About this book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Downloading this book and updates from the web . . . . . . . . . . . . . . . . . 5
Downloading this book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Related resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Technical assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Within the US. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
International . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Sending us comments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Chapter 1: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
G450 physical description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Chapter 2: Optional components. . . . . . . . . . . . . . . . . . . . . . 15
Supported media modules in the G450 . . . . . . . . . . . . . . . . . . . . . . . 15
S8300 server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Telephony media modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
WAN media modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Media module slot configurations in the G450 . . . . . . . . . . . . . . . . . . . 23
Permitted slots. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
G450 media module capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Chapter 3: Summary of services . . . . . . . . . . . . . . . . . . . . . . 25
Media gateway services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Voice over IP (VoIP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Physical media — G450 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Media Gateway Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Additional features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
LAN services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Physical media. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Rapid Spanning Tree Protocol (RSTP) . . . . . . . . . . . . . . . . . . . . . . 32
Port mirroring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Port redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Link Layer Discovery Protocol (LLDP) . . . . . . . . . . . . . . . . . . . . . . 32
WAN services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Physical media. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
WAN features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Issue 1 January 2008 3
Contents
Routing features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Chapter 4: Management, Security, Alarms and Troubleshooting . . . . 37
Management applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Avaya G450 Command Line Interface (CLI) . . . . . . . . . . . . . . . . . . . 37
Avaya G450 Manager and Embedded Web Manager . . . . . . . . . . . . . . 37
Avaya Integrated Management . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Management access security features. . . . . . . . . . . . . . . . . . . . . . . . 38
Network security features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Alarms and troubleshooting features . . . . . . . . . . . . . . . . . . . . . . . . 39
Front panel LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Automatic error detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
SNMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Packet sniffing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
VoIP debugging using RTP-MIB . . . . . . . . . . . . . . . . . . . . . . . . . 40
Converged Network Analyzer (CNA) test plug. . . . . . . . . . . . . . . . . . 40
Chapter 5: Documentation . . . . . . . . . . . . . . . . . . . . . . . . . 41
Appendix A: G450 capacities. . . . . . . . . . . . . . . . . . . . . . . . 43
G450 maximum media gateway capacities . . . . . . . . . . . . . . . . . . . . . 43
S8300 maximum capacities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Appendix B: Supported Avaya telephones . . . . . . . . . . . . . . . . 47
Appendix C: G450 technical specifications . . . . . . . . . . . . . . . . 49
G450 specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
G450 power cord specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
G450 media module specifications. . . . . . . . . . . . . . . . . . . . . . . . . . 50
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
4 Administration for the Avaya G450 Media Gateway
About this book
This guide contains information that you need to consider before implementing the A vaya G450
Media Gateway. Use this guide to learn what the G450 can d o and to plan how you will deploy a
G450 in your environment.
Audience
The information in this book is intended for use by Avaya technicians, provisioning specialists,
Business Partners, and customers.
Downloading this book and updates from the web
You can download the latest version of Overview for the Avaya G450 Media Gateway from the
Avaya web site. You must have access to the Internet, and a copy of Acrobat Reader must be
installed on your personal computer.
Avaya makes every effort to ensure that the information in this book is complete and accurate.
However, information can change after we publish this book. Therefore, the Avaya web site
might also contain new product information and updates to the information in this book. You can
also download these updates from the Avaya web site.
Downloading this book
1. Access the Avaya web site at http://www.avaya.com/support.
2. Click FIND DOCUMENTATION and TECHNICAL INFORMATION by PRODUCT NAME.
3. Type this book’s document number (03-602058) in the Search box.
4. Click GO.
The search results appear.
5. Locate the latest version of the book.
6. Click the book title. Your browser downloads the book.
Issue 1 January 2008 5
About this book
Related resources
Title Number
Quick Start for Hardware Installation for the Avaya G450 Media
Gateway
Installing and Upgrading the Avaya G450 Media Gateway 03-602054
Administration for the Avaya G450 Media Gateway 03-602055
Avaya G450 CLI Reference 03-602056
Maintenance Alarms for Avaya Communication Manager,
Media Gateways and Servers
Maintenance Commands for Avaya Communication Manager,
Media Gateways and Servers
Maintenance Procedures for Avaya Communication Manager,
Media Gateways and Servers
Technical assistance
Avaya provides resources for technical assistance within the US and internationally.
03-602053
03-300430
03-300431
03-300432
Within the US
For help with:
● Feature administration and system applications, call the Avaya Technical Consulting
Support System at 1-800-225-7585
● Maintenance and repair, call the Avaya National Customer Care Support Line at
1-800-242-2121
● Toll fraud, call Avaya Toll Fraud Intervention at 1-800-643-2353
International
For all international resources, contact your local Avaya authorized dealer.
6 Administration for the Avaya G450 Media Gateway
Sending us comments
Avaya welcomes your comments about this book. To reach us by:
● Mail, send your comments to:
Avaya Inc.
Product Documentation Group
Room B3-H13
1300 W. 120th Ave.
Westminster, CO 80234 USA
● E-mail, send your comments to:
document@avaya.com
● Fax, send your comments to:
1-303-538-1741
Sending us comments
Ensure that you mention the name and number of this book, Overview for the Avaya G450
Media Gateway, 03-602058.
Issue 1 January 2008 7
About this book
8 Administration for the Avaya G450 Media Gateway
Chapter 1: Introduction
The Avaya G450 Media Gateway is a multipurpose media gateway that can be deployed in
medium to large sized branch locations or in wiring-closets servicing buildings and floors, in a
campus environment. It works in conjunction with Avaya Communication Manager IP telephony
software running on Avaya S8XXX Servers to help deliver intelligent communications to
enterprises of all sizes.
The G450 combines telephone exchange and data networking, by providing PSTN toll bypass
and routing data and VoIP traffic over the WAN. The G450 features a VoIP engine, an optional
WAN router, and Ethernet LAN connectivity. The G450 provides full support for Avaya IP and
digital telephones, as well as analog devices such as modems, fax machines, and telephones.
The G450 can support up to 450 users when deployed as a branch gateway in a mid to large
branch office of a large enterprise or a call center, and can serve up to 2400 users when
deployed as a campus gateway . Both configura tions require Avaya Communication Manager IP
telephony software running on one or more Avaya S8XXX Servers. The 450 user capacity is
reached when the Avaya S8300 server is used and the 2400 use r cap acity is reached when the
Avaya S8500 Server is used.
Telephone services on a G450 are controlled by an Avaya S8XXX Server operating either as an
External Call Controller (ECC) or as an Internal Call Controller (ICC). The G450 supports the
Avaya S8300 Server as an ICC, or as an ECC when the S8300 is installed in another media
gateway . The G450 also support s the Avaya S8710, S8720, S8730, S8500, and S8400 Servers
as ECCs.
An ICC can be used in addition to an ECC with the ICC installed as a Local Survivable
Processor (LSP) designed to take over call control in the event that the ECC fails or the WAN
link between the branch office and main location breaks. The LSP provides full featured
telephone service survivability for the branch office. The G450 itself also features Standard
Local Survivability (SLS), which provides basic telephone services in the event that the
connection with the primary ECC is lost.
The G450 is a scalable device with a basic configuration consisting of 1 power supply unit
(PSU), 256 MB RAM, and a single DSP childboard supporting either 20 or 80 VoIP channels.
This configuration can be enhanced by adding a redundant PSU, up to two RAM modules of
1 GB each, and up to three additional DSP childboards, increasing the number of VoIP
channels to 240 channels.
Issue 1 January 2008 9
Introduction
The G450 is a modular device, adaptable to support different combinations of en dpoint devices.
While fixed front panel ports support the connection of external LAN switches, network data
ports, Ethernet WAN lines and external routers, eight slo ts are provided for plugging in optional
media modules. Pluggable media modules provide interfaces for different types of telephones,
trunks, and WAN links. A combination is selected to suit the needs of the branch. A range of
telephony modules provides full support for legacy equipment such as analog and digital
telephones. A range of WAN modules provide supp ort for Universal Serial Port and E1/T1 W AN
links. IP phones are supported via an external LAN switch.
The G450 chassis features field replaceable RAM, DSPs, PSUs, fan tray, and main board
module for enhanced reliability.
Features
G450 features include:
● Modular gateway features:
- 9-slot chassis (one slot for main board and eight slots for media modules)
- Swappable main board module
- Hot swappable media modules
- Support for two load sharing hot swappable power supply units
- Hot swappable fan tray
- VoIP DSPs (up to 240 channels)
- Memory SIMMs
● Voice features:
- H.248 gateway
- Voice line interfaces:
● IP phones
● Analog phones
● Avaya DCP phones
● BRI Phones
● FXS/Fax
● VoIP
● Fax and modem over IP
- Voice trunk interfaces:
● FXO
● BRI
10 Administration for the Avaya G450 Media Gateway
● T1/E1
- Supported CODECs: G.711A/µLaw, G.729a, G.726
- Survivability features for continuous voice services:
● Local Survivable Processor (LSP) (with S8300)
● Standard Local Survivability (SLS)
● Emergency Transfer Relay (ETR)
● Modem Dial Backup
● Dynamic Call Admission Control (CAC) for Fast Ethernet, Serial, and GRE tunnel
interfaces
● Inter-Gateway Alternate Routing (IGAR)
- DHCP and TFTP server to support IP phones images and configuration
- Announcements and Music on Hold (MoH) support
- Contact Closure support
● Routing and WAN features:
Features
- Two WAN 10/100 Ethernet ports with traffic shaping capabilities
- T1/E1 and USP interfaces
- PPPoE, Frame-relay, and PPP
- Routing Protocols: Static, OSPF, RIP
- VRRP
- Equal Cost Multi Path routing (ECMP)
- IPSec VPN (requires license)
-cRTP
- WAN Quality of Service (QoS)
- Policy-based routing
- DHCP relay
- GRE tunneling
- Dynamic IP addressing (DHCP client/PPPoE)
- Object tracking
- Backup Interface
● LAN features:
- Two LAN 10/100/1000 RJ-45 Ethernet ports (w/o POE)
- Auto-negotiation
- 4K MAC table with aging
-64 VLANs
Issue 1 January 2008 11
Introduction
● Security hardened gateway features:
- Multi-VLAN binding, 802.1Q support
- Ingress VLAN Security
- Broadcast/Multicast storm control
- Automatic MAC address aging
- Rapid Spanning Tree
- Port mirroring
-RMON statistics
- Port redundancy
-LLDP
- Media and signaling encryption
- Secured management
- Digitally signed gateway firmware
- Managed security service support
- Access list support
● Management features:
- Avaya G450 Device Manager
- Embedded Web Manager
- RADIUS Authentication support
- SNMPv1 traps and SNMPv3 notifications
- Telnet and SSHv2 support
- SCP, TFTP and FTP support
-Syslog
- Modem access for remote administration
- Converged Network Analyzer (CNA) test plug
- Packet Sniffing
-RTP-MIB
- Backup and Restore on Flash drive
12 Administration for the Avaya G450 Media Gateway
G450 physical description
Figure 1: The Avaya G450 Media Gateway Chassis
G450 physical description
4
3
2
1
11
12
13
14
Figure notes:
1. System LEDs
2. USB ports
3. Console port
4. Services port
5. ETR (Emergency Transfer Relay) port
6. CCA (Contact Closure Adjunct) port
7. ETH WAN ports
8. ETH LAN ports
9. RST button
10. ASB button
6
5
15
16
11. V1 — slot for standard media module or
S8300 Server
12. V2 — standard media module slot
13. V3 — standard media module slot
14. V4 — standard media module slot
15. V5 — standard media module slot
16. V6 — standard media module slot
17. V7 — standard media module slot
18. V8 — standard media module slot
7
17
18
8
9
10
For information about the different media modules that can be housed in the G450 media
module slots, see Chapter 2:
Optional components.
Table 1: Fixed ports and buttons on the G450 front panel
Port/Button Description
CCA RJ-45 port for ACS (308) contact closure adjunct
box.
ETH WAN Two 10/100 Base TX Ethernet WAN ports. RJ-45
connectors.
ETH LAN Two 10/100/1000 Base TX Ethernet LAN ports.
RJ-45 connectors.
1 of 2
Issue 1 January 2008 13
Introduction
Table 1: Fixed ports and buttons on the G450 front panel (continued)
Port/Button Description
CONSOLE RS-232 port for services and maintenance access.
RJ-45 connector.
SERVICES Ethernet 10/100 port for services and maintenance
access. RJ-45 connector.
ETR Emergency Transfer Relay port. Controls two
external 808A emergency transfer panels. RJ-45
connector.
USB Two USB ports with USB connectors. Support s the
connection of:
● USB flash drive (no more than one USB
flash drive can be connected)
● The Multitech MultiModemUSB
MT5634ZBA-USB-V92 USB modem (no
more than one USB modem can be
connected)
RST Reset button. Resets chassis configuration.
ASB Alternate Software Bank button. Reboots t he G450
with the software image in the alternate bank.
2 of 2
14 Administration for the Avaya G450 Media Gateway
Chapter 2: Optional components
The Avaya G450 Media Gateway is a versatile device with powerful capabilities. To implement
the various services that are supported, a variety of swappable internal components called
media modules are available.
Supported media modules in the G450
Table 2: Supported media modules
Media module Description
S8300 CM server
Telephony media modules
MM711 8 universal analog ports
MM714 4 analog telephone ports and 4 analog trunk ports
MM716 24 analog ports
MM712 8 DCP telephone ports
MM717 24 DCP telephone ports
MM710 1 T1/E1 ISDN PRI trunk port
MM720 8 ISDN BRI trunk or endpoint (telephone or data) ports
MM722 2 ISDN BRI trunk ports
WAN media modules
MM340 1 E1/T1 data WAN port
MM342 1 universal serial data WAN port
Issue 1 January 2008 15
Optional components
!
CAUTION:
CAUTION: The MM340 and MM342 are not supported by the Avaya G700 Media Gateway.
Do not insert an MM340 or MM342 media module into an Avaya G700 Media
Gateway.
S8300 server
The S8300 server is a Pentium-based processor that runs a Linux operating system. The G450
supports the S8300 from version S8300B onwards. The S8300 runs Avaya Communication
Manager (CM) to provide call control services to the G450. The G450 is compatible with Avaya
CM from version 5.0.
The S8300 server features:
● Avaya Native Configuration Manager. An administration tool that provides terminal
emulation capabilities and a variety of connectivity options you can save and reuse.
● A 30GB hard disk
● 512 MB RAM
● A WEB server used for the following:
- Backups and restores for customer data
- Easy access to view current alarms
- The ability to perform server maintenance, shutdown, and status of the S8300 server
- Security commands that can enable and disable the modem, start and stop the FTP
server, and view the software license
- SNMP access to configure trap destinations and stop and start the master agent
- S8300 server configuration information and upgrade access
- The ability to download the Avaya Native Configuration Manager from the S8300
server to a PC on the LAN
● Linux operating system (Redhat v8.x)
● Interface for IA770 INTUITY AUDIX Messaging, a software-only version of INTUITY
AUDIX messaging that resides on the hard drive of the S8300 server. For more
information, see the description of the S8300 server in the Hardware Description and
Reference for Avaya Communication Manager, 555-245-207.
● Trivial File Transfer Protocol (TFTP) server
● Security/firewall configuration
● H.248 Media Gateway Signaling Protocol
● Control messages tunneled over H.323 Signaling Protocol
● One 10/100Base-T Ethernet switch port used as a Services port
16 Administration for the Avaya G450 Media Gateway
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