Allied Telesis AT-VP504E FXS Instruction Manual

AT-VP504E FXS (H.323)
Administration Manual
PN 990-11590-10 Rev B
VoIPTalk

Copyright © 2001 Allied Telesyn International, Corp.
960 Stewart Drive S ite B, S nnyvale CA USA 94085
All rights reserv ed. No part of this p blication may be reprod ced w itho t prior written permission from Allied
Telesyn International, Corp.
Ethernet is a registered tradema rk of Xerox Corporation. All other prod ct names, compa ny names, logos or other
designations mentioned herein are trademarks or registered trademarks of their respective owners.
Allied Telesyn International, Corp. reserves the right to make changes in specifications and other information
contained in thi s doc ment witho t prior written notice. The information provided herein is s bject to change witho t
notice. In no event shall Allied Telesyn International, Corp. be liable for any incidental, special, indirect, or
conseq ential damages whatsoever, incl ding b t not limited to lost of profit, arising o t of or related to this man al
or the information cont ained herein, even if Allied Telesyn International, Corp. has been advised of, known, or sho ld
have known, the possibility of s ch damanges.

Contents Administration Manual (H.323 Version)
AT-VP504E FXS iii
Contents
Preface
Welcome to the AT-VP504E FXS .......................................................... vii
Before you Begin........................................................................................................vii
Acronyms....................................................................................................................vii
Chapter 1
Introducing the AT-VP504E FXS............................................................. 1
Overview...................................................................................................................... 1
Why use the AT-VP504E FXS?...............................................................................................1
How does it Work? ..................................................................................................................1
Features ...................................................................................................................... 2
Panels..........................................................................................................................3
Front Indicators........................................................................................................................3
Rear Connections....................................................................................................................4
Interpreting the AT-VP504E FXS LEDs....................................................................... 5
Test LED..................................................................................................................................5
LAN LED..................................................................................................................................5
Power LED ..............................................................................................................................6
LED Behavior in Download Mode............................................................................................6
Chapter 2
Installation................................................................................................ 7
Hardware and Software Requirements ....................................................................... 7
Contents of the AT-VP504E FXS ................................................................................ 7
Choosing a Suitable Location...................................................................................... 8
Mounting the AT-VP504E FXS................................................................................................8
Setting up the AT-VP504E FXS for the First Time .................................................... 13
Using the Default Settings Switch .........................................................................................13
Finding the IP Address Assigned to an AT-VP504E FXS .....................................................17
Installing the AT-VP504E FXS Hardware.................................................................. 19
Chapter 3
Administration........................................................................................ 21
Web Interface............................................................................................................ 21

Contents Administration Manual (H.323 Version)
AT-VP504E FXS iv
Choosing a Suitable Browser................................................................................................21
Accessing the Web Interface.................................................................................................21
Accessing the Administration Web Page...............................................................................23
Integrating the AT-VP504E FXS into the Communication Environment.................... 26
Configuring IP Addresses.......................................................................................... 30
Using a Syslog Daemon........................................................................................................31
Setting up Gatekeeper Information............................................................................ 32
Quality of Service Settings ........................................................................................ 35
Differentiated Services (DiffServ) Section .............................................................................35
802.1q Section.......................................................................................................................37
Configuring Incoming and Outgoing Calls Parameters ............................................. 39
Telephony Settings................................................................................................................40
Accept Phone/Fax to IP Network Call Settings .....................................................................42
IP Network to Phone/Fax Call Settings .................................................................................45
Geographical Specific Configuration ......................................................................... 45
Viewing Hardware Information .................................................................................. 46
Performing a RAM Check......................................................................................................46
Performing a ROM Check .....................................................................................................47
System Failure Bypass Activation Section................................................................ 47
Setting the Bypass Activation ................................................................................................48
Changing the Password/User Name ......................................................................... 48
Chapter 4
How to Use the AT-VP504E FXS........................................................... 51
AT-VP504E FXS Call Processes............................................................................... 51
Calls Involving Another Terminal...........................................................................................52
Calls Involving a Terminal and an H.323 Endpoint................................................................52
Calls Involving a PSTN Gateway...........................................................................................53
Calls Without a Gatekeeper (Direct Calls).............................................................................54
What is a Dialing Rule? ............................................................................................. 55
General Dialing Rules............................................................................................................55
IP Address Specific Rules .....................................................................................................58
Dialing Rules Examples............................................................................................. 59
Example 1..............................................................................................................................59
Example 2..............................................................................................................................60
Chapter 5
Software Upgrade ..................................................................................63
Setting up Software Download.................................................................................. 63
Downloading a New Software Version..................................................................................63
Emergency Software Download Configuration Section............................................. 65
Using the Emergency Software Procedure ...........................................................................66

Contents Administration Manual (H.323 Version)
AT-VP504E FXS v
Chapter 6
Maintenance ...........................................................................................69
Warning..................................................................................................................... 69
Caution Regarding Handling ..................................................................................... 69
Location.................................................................................................................................69
Condensation ........................................................................................................................69
Cleaning ................................................................................................................................69
Troubleshooting......................................................................................................... 69
Solving General Operation Problems ....................................................................................70
Solving Web Interface Problems ...........................................................................................71
Solving Software Upgrade Problems.....................................................................................72
Appendix A
DHCP Server Vendor Specific Information.......................................... 75
Configuring the DHCP Server ................................................................................... 75
Network Configuration...........................................................................................................75
Creating Vendor Specific Information....................................................................................76
Appendix B
Country Specific Parameters................................................................ 81
Austria ....................................................................................................................... 81
France ....................................................................................................................... 81
Germany.................................................................................................................... 82
Great Britain .............................................................................................................. 83
Italy............................................................................................................................ 83
Japan......................................................................................................................... 84
North America............................................................................................................ 84
Spain ......................................................................................................................... 85
Switzerland................................................................................................................ 86
Appendix C
Gatekeeper Registration Logic............................................................. 87
No Gatekeeper Registration...................................................................................... 87
Messages Exchanged ............................................................................................... 87
Registration with a Gatekeeper ................................................................................. 88
Lightweight Registration............................................................................................ 90
Examples................................................................................................................... 91

Contents Administration Manual (H.323 Version)
AT-VP504E FXS vi
Registering with the Gatekeeper ...........................................................................................91
Unregistration Request from a Gatekeeper...........................................................................91
Gatekeeper Unreachable ......................................................................................................92
Appendix D
Glossary.................................................................................................. 95

AT-VP504E FXS vii
PWelcome to the AT-VP504E FXS
The AT-VP504E FXS provides multiplexed IP connectivity for up to
four analog telephones or fax machines to a Local Area Network with
access to an Intranet or the Internet to permit high-quality, full duplex,
audio/fax communications over IP Packet Networks.
Before you Begin This manual provides all the information needed to install and manage
the AT-VP504E FXS with the configurationwebpages. It is intended to
be used by network administrators who install and set up network
equipment; consequently, it assumes a basic working knowledge of
LANs (Local Area Networks).
From the perspective of the LAN administrator, an AT-VP504E FXS
presents itself just like another PC that is to be added to the LAN. It
requires the same kind of TCP/IP addressing that is required by a PC.
The AT-VP504E FXS can also use a DHCP server on the LAN to
automatically receive its IP configuration assignment.
Acronyms
DHCP Dynamic Host Configuration Protocol
DNS Domain Name Server
DSP Digital Signal Processor
FXS Foreign Exchange Service
IP Internet Protocol
LAN Local Area Network
LED Light Emitting Diode
MAC Media Access Control
Mb/s Megabits per Second
PBX Private Branch Exchange
PCM Pulse Code Modulation
PROM Programmable Read-Only Memory
PSTN Public-Switched Telephone Network
TCP/IP Transmission Control Protocol/Internet Protocol

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AT-VP504E FXS viii
TFTP Trivial File Transfer Protocol
VoIP Voice Over Internet Protocol
WAN WideAreaNetwork

AT-VP504E FXS 1
1Introducing the AT-VP504E FXS
This chapter introduces the AT-VP504E FXS. It describes the
AT-VP504E FXS’s features and illustrates its frontpanel indicators and
back panel connectors.
Overview The AT-VP504E FXS is an IP telephony adaptor that connects up to
four (4) analog terminals to a LAN with access to an IP Network,
allowing high-quality, full duplex, audio/fax communication.
This version of the AT-VP504E FXS uses the H.323 protocol, which is
a standard for audio/video conferencing over networks.
Why use the
AT-VP504E
FXS?
There are many reasons to use the AT-VP504E FXS:
 Merges voice and data traffic onto a single unified
network.
Carrying telephone traffic over data networks uses less
bandwidth (as compared to telephone trunks), resulting in a
more cost-effective network solution.
 Easily integrates with existing telephone equipment.
Overhead is minimal, because the AT-VP504E FXS fully
utilizes your existing telecommunications equipment and
computer networks.
 Bypasses long-distance toll charges for realized savings.
 Supports 10 Mb/s and 100 Mb/s Ethernet networks.
 Upgrades software easily for future enhancements.
 Uses the latest standards in Internet Telephony.
 Supports the following Codecs:
• G.711 (µ-law, A-law)
•G.729A
• G.723.1 (5.3 kbps and 6.4 kbps)
 Supports Quality of Service technologies.
• Differentiated Services (DS) Field
• IEEE 802.1q user priority tagging
How does it
Work? When an Internet telephony call is placed from one location to another, the voice signals pass through the AT-VP504E FXS connected to the
handset in the caller’s area. They are compressed into data packets,
which are then diverted by the AT-VP504E FXS onto an IP/data

Chapter 1 - Introducing the AT-VP504E FXS Administration Manual (H.323 Version)
AT-VP504E FXS 2
network such as the Internet, or another type of data network. Upon
reaching its destination, the voice data is converted back into voice
signals, then fed into the corresponding telephone or fax machine.
The AT-VP504E FXS system utilizes technology that optimizes
available bandwidth, so users do not hear echoes, stops and starts, or
annoying clicks and pops. When traffic congestion is properly
managed, AT-VP504E FXS customers cannot tell that their
conversation is being carried over a packet network rather than the
traditional PSTN.
See “AT-VP504E FXS Call Processes” on page 51 for more details on
AT-VP504E FXS call processes and examples.
Features Table 1 lists some of the features the AT-VP504E FXS offers.
Table 1: AT-VP504E FXS’s Features
Feature Description
4 FXS Port Four central office quality subscriber’s line interface
circuits (SLICs) supporting all the BORSCHT (Battery
feed, Over-voltage protection, Ringing, Signaling,
Coding, Hybrid, and Testing) functions and thus meet
most world wide telephony standards.
Fax Interface Handles G3 and Super G3 fax transmissions at speeds
up to 33.6 kbps. Automatic fax mode detection is
standard.
Analog
Modem Supports 9.6 to 33.6 kbps analog modems (V.34 support over clear channel).
Note: If an incoming modem call is at 56.6 kbps,
negociating will occur, then transmissions errors.
Compliant
with H.323
FastConnect
The H.323 FastConnect procedure is an enhancement
feature introduced in the H.323v2 protocol to reduce the
initialisation latency when initiating a call. To operate in
FastConnect mode, all H.323 elements (calling party,
caller party, gatekeeper) involved in the call setup activity
must comply to the FastConnect procedure. Otherwise,
the normal initialisation procedure takes place.

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AT-VP504E FXS 3
Panels This section provides an overview of the AT-VP504E FXS’s front and
rear panels.
Front
Indicators Figure 1 shows the three (3) visual indicators located on the frontof the AT-VP504E FXS.
Figure 1: AT-VP504E FXS Front Panel Indicators
System
Failure
Bypass
In the event of a commercial power failure or network
failure, the power failure bypass feature permits users to
make and receive calls even when the AT-VP504E FXS
is not operating. See “System Failure Bypass Activation
Section” on page 47 for more details.
Fully
Configurable
“PSTN-Like”
Experience
Provides all the usual tones normally heard on the
standard telephone network. It also provides country-
specific tones and ringer types. For example, a dial tone
will be heard as soon as the handset is lifted. Call
progress tones such as ringback and busy are also
provided.
Remote Site
Configuration/
Management
The AT-VP504E FXS is integrated seamlessly into your
existing administration environment. Implementation of a
HTTP server allows device-related adjustment
parameters to be modified and polled remotely. The
software upgrade (CPU and DSP code) is downloaded
via a TFTP server.
Table 1: AT-VP504E FXS’s Features (Continued)
Feature Description
Test
indicator LAN link pulse indicator Power ON indicator

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AT-VP504E FXS 4
Table 2 describes the LEDs on the front panel of the AT-VP504E FXS.
Rear
Connections Figure 2 shows the back panel connectors of the AT-VP504E FXS.
Figure 2: AT-VP504E FXS Back Panel Connectors
Table 3 describes the back panel connections.
Table 2: AT-VP504E FXS Indicators
Indicator Description
-Test -
Test indicator On when the AT-VP504E FXS is either running power up diagnostics or that it is in a maintenance
state.
–LAN –
LAN link pulse
indicator
Provides the state of the network connected to the
Ethernet port.
–Power –
Power ON indicator When lit, power is applied to the AT-VP504E FXS.
10/100 BaseT
Ethernet RJ-45
connector
Factory
Default
Settings
Phone/Fax (FXS)
RJ-11 connectors
System Failure
BypassConnection
with Port 1
Power connector
Table 3: AT-VP504E FXS Back Panel Connectors
Connection Description
Ethernet A 10/100 BaseT Ethernet RJ-45 connector for
access to a LAN.

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AT-VP504E FXS 5
Interpreting the
AT-VP504E FXS
LEDs
The AT-VP504E FXS has three (3) LED indicators located on the front
panel, which are identified as Test,LAN, and Power. A LED has three
states: On, Off and Blinking.
Test LED The Test LED indicates if the phone/fax connected to the Phone port
is off hook or on hook.
LAN LED The LAN LED provides the status of the network connected to the
Ethernet port. Normal operation is variable On-Off blinking.
System Failure
Bypass In the event of a commercial power failure or network failure, the power failure bypass feature
permits users to make and receive calls even when
the AT-VP504E FXS is not operating. See “System
Failure Bypass Activation Section” on page 47 for
more details.
Phone/Fax Port 1
Phone/Fax Port 2
Phone/Fax Port 3
Phone/Fax Port 4
Four (4) RJ-11 connectors to attach a conventional
telephone or G3/Super G3 fax machine.
Power connector A power connector for the power supply of the
AT-VP504E FXS.
Default Settings The Default Settings switch resets configuration
parameters of the AT-VP504E FXS to factory
default (known) values. It can be used to
reconfigure units. See “Setting up the AT-VP504E
FXS for the First Time” on page 13 for more
information.
Table 3: AT-VP504E FXS Back Panel Connectors (Continued)
Connection Description
Table 4: Network LED Status
Operation LED Status Description
link_down Steady OFF Ethernetport does not sense the carrier
signal.
link_up Steady ON Ethernet port does sense the carrier
signal.

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AT-VP504E FXS 6
Power LED The Power LED is used to indicate whether the AT-VP504E FXS is
operational at its most basic level. It does not imply that the unit can be
used, only that it is capable of being used. Normal operation is steady
On.
LED Behavior
in Download
Mode
When the AT-VP504E FXS initiates a software download, the three
LEDs located on the front panel are used to report the status of the
process:
Table 5: Power LED Status
Operation LED Status Description
normal Steady ON Power is on and the unit does not have
any major failure
failed 3HzBlinkingat
50% on duty
cycle
Failure of power-up diagnostics such
that the unit is unable to operate.
addr_fail 1 Hz Winking
at 75% on duty
cycle
Failure of DHCP – no acceptable offer
received from DHCP. Blinks for 4
seconds.
no_power Steady OFF The unit has no power supply input.
Table 6: LED States in Software Download
Event LED State
IMAGE_DOWNLOADING
(download phase) Each LED blinks alternately at 1 Hz with 1/3 ON duty cycle.
IMAGE_WRITING
(writing to EEPROM phase) Test LED ON, LAN LED ON, Power LED OFF.
Warning: Do not turn the AT-VP504E
FXS off while in this state.
IMAGE_UPDATE_FAIL All LEDs blink at the same time at 2 Hz
with 50% ON duty cycle for 4 seconds.
IMAGE_UPDATE_SUCCESS All LEDs ON.

AT-VP504E FXS 7
2Installation
This chapter lists the hardware and software requirements of the
AT-VP504E FXS. It also describes how to install the AT-VP504E FXS
hardware.
Hardware and
Software Require-
ments
The AT-VP504E FXS requires the following items:
Contents of the
AT-VP504E FXS Your AT-VP504E FXS package contains the following items:
 AT-VP504E FXS device
 Four (4) rubber feet for the AT-VP504E FXS
 A power supply for the country in which you will be using
the AT-VP504E FXS
 A CD that contains this administration manual, a User’s
manual and a Quick Start booklet
Table 7: AT-VP504E FXS Required Items
Item Description
Phone/Fax A standard telephone or fax attached to a FXS
port of the AT-VP504E FXS. One (1) to four (4)
phones or faxes can be attached to the
AT-VP504E FXS.
Remote Party Endpoints where the AT-VP504E FXS
terminates a call. For example, it could be:
• astandardtelephone/faxattachedto
a terminal such asanother
AT-VP504E FXS, etc.
• a Soft Phone
• an IP phone directly connected to
the IP network
•etc.
DHCP Server This server supplies all network parameters to
the AT-VP504E FXS such as the IP address
and subnet mask.
TFTP Server Necessary for software updates.
Syslog Daemon
(optional) TheSyslogdaemonreceivesallstatus messages coming from the AT-VP504E FXS.

Chapter 2 - Installation Administration Manual (H.323 Version)
AT-VP504E FXS 8
 A printed Quick Start booklet
Choosing a Suita-
ble Location The AT-VP504E FXS is suited for use in an office environment where
it can be wall-mounted, mounted on a standard 48.26 cm (19 in.)
equipment rack, or free standing on its rubber feet. Alternatively, the
AT-VP504E FXS can be rack-mounted in a wiring closet or equipment
room.
When deciding where to position the AT-VP504E FXS, ensure that:
 The AT-VP504E FXS is accessible and cables can be
connected easily.
 The cabling is away from the following:
• Sources of electrical noise such as radios,
transmitters, and broadband amplifiers.
• Power lines and fluorescent lighting fixtures.
• Water or moisture that could enter the casing of
the AT-VP504E FXS.
 The airflow is not restricted around the AT-VP504E FXS
or through the vents in the side of the unit. It is necessary
to have a minimum of 25 mm (1 in.) clearance.
 The fan on the AT-VP504E FXS is not blocked or that the
back of the AT-VP504E FXS is not too close to the wall.
Mounting the
AT-VP504E
FXS
The AT-VP504E FXS can be mounted on a rack, on the wall, or if free
standing, stacked on top of each other.
Rack-Mounting the AT-VP504E FXS
The AT-VP504E FXS is 5.5 cm (2.2 in.) high and fits in most standard
48.26 cm (19 in.) racks. Allied Telesyn recommends that you use a
rack compliant EIA-310-D.
Note: The wall-mounting or rack-mounting kit is not part of the
standard AT-VP504E FXS package and must be ordered separately.

Chapter 2 - Installation Administration Manual (H.323 Version)
AT-VP504E FXS 9
 To rack-mount the AT-VP504E FXS:
1. Disconnect all of the cables from the AT-VP504E FXS.
2. Remove all of the rubber feet from the AT-VP504E FXS, if
applicable.
3. Place the AT-VP504E FXS right side up on a hard flat
surface, with the front facing toward you.
4. Place the left mounting bracket over the mounting holes on
theleftsideoftheAT-VP504EFXS.Figure 3 illustrates the
rack-mounting pieces.
Figure 3: Rack Mount
Table 8 describes the rack-mounting pieces illustrated in Figure 3.
B
C
E
F
D
A
Table 8: Rack-Mounting Pieces
Item No. Qty. Description
A 1 AT-VP504E FXS casing
B 1 Right rack-mount bracket (already installed in
Figure 3)
C 1 Left rack-mount bracket
D 4 6-32 5/16 across 7/64 thick steel Hex machine screw
nuts

Chapter 2 - Installation Administration Manual (H.323 Version)
AT-VP504E FXS 10
5. Insert the two screws in the left mounting bracket, and
tighten.
6. Repeat steps 4 and 5 for the right side of the AT-VP504E
FXS.
7. Insert the AT-VP504E FXS into the bracket and secure with
suitable screws (not provided). Make sure that the ventilation
holes are not obstructed.
8. Connect the cabling.
Wall-Mounting the AT-VP504E FXS
A single AT-VP504E FXS can be wall-mounted.
 To wall-mount the AT-VP504E FXS:
1. Disconnect all of the cables from the AT-VP504E FXS before
mounting.
2. Ensure that the wall you are using is smooth, flat, dry and
sturdy. Attach a piece of plywood, approximately 305 mm x
510 mm x 12 mm (12 in. x 20 in. x 0.5 in.) securely to the wall,
if necessary.
3. Position the wall-mounting bracket against the wall (or
plywood) and ensure that one of the sides with two screw
holes faces the sides or the top (see Figure 4). Do not
E 4 6-32 UNC 1/2 steel philips binding head
F 4 6 bolt size split lock washers
Table 8: Rack-Mounting Pieces (Continued)
Item No. Qty. Description
Note: The left andright mounting brackets arenot identical.Therefore,
make sure that you use the proper bracket.The bracket should be
perfectly aligned with the AT-VP504E FXS’s side.
Note: You must use the screws supplied with the mounting brackets.
Damage caused to the unit by using incorrect screws invalidates your
warranty.

Chapter 2 - Installation Administration Manual (H.323 Version)
AT-VP504E FXS 11
position the side with two screw holes downward.Mark
the position of the screw holes on the wall. Drill the two holes.
Figure 4: Wall Mounting bracket
4. Insert suitable brackets and screws (not provided) to the wall
or plywood. Attach the wall-mounting bracketto the screws to
ensure bracket is secure.
5. Remove the wall-mounting bracket from the wall and place it
rightsideuponahardflatsurfacewiththefront(sidewithtwo
screw holes) facing toward you.
6. Remove all of the rubber feet from the AT-VP504E FXS, if
applicable.
7. Place the AT-VP504E FXS rightside up onthe wall-mounting
bracket, with the front facing toward you.
8. Place the AT-VP504E FXS screw holes on the side over the
mounting holes of the wall bracket. See Figure 5 for the
location of the wall-mounting pieces.
OR

Chapter 2 - Installation Administration Manual (H.323 Version)
AT-VP504E FXS 12
Figure 5: Fitting the wall bracket for wall-mounting
Table 9 describes the wall-mounting pieces illustrated in Figure 5.
9. Insert the four screws into the screw holes, and tighten.
10. Place the wall-mounting bracket on the wall and place the
screw holes of the wall-mounting bracket over the screws
installedinstep4.
E
D
C
B
A
Table 9: Wall-Mounting Pieces
Item No. Qty. Description
A 1 AT-VP504E FXS casing
B 4 6-32 UNC 1/2 steel philips binding head
C 1 Wall-mounting bracket
D 4 6 bolt size split lock washers
E 4 6-32 5/16 across 7/64 thick steel Hex machine screw
nuts
Note: Ensure that the AT-VP504E FXS’s front faces the sides or the
top. Do not position the front of the AT-VP504E FXS downward.If
the AT-VP504E FXS’s front faces downwards, the wall-mounting
bracket is not installed properly. See step 3.