Allied Telesis AT-VP504E FXS User manual

AT-VP504E FXS (SIP/MGCP)
User’s Manual
PN 990-11591-10 Rev C
VoIPTalk

Copyright © 2001 Allied Telesyn International, Corp.
960 Stewart Drive Suite B, Sunnyvale CA USA 94085
All rights reserved. No part of this publication may be reproduced without prior written permission from Allied
Telesyn International, Corp.
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Contents User’s Manual (SIP/MGCP Version)
AT-VP504E FXS iii
Contents
Chapter 1
Using the AT-VP504E FXS ...................................................................... 1
Before you Begin......................................................................................................... 1
Acronyms.................................................................................................................................2
Overview of the AT-VP504E FXS............................................................................................2
Using the AT-VP504E FXS .....................................................................................................3
Call Processes............................................................................................................. 3
Calls Involving Another Terminal.............................................................................................4
Calls Involving a Terminal and a LAN Endpoint ......................................................................4
Calls Involving an Analog Gateway.........................................................................................5
Making Calls................................................................................................................ 7
Complete Dialing Sequence....................................................................................................7
Dialing a Telephone Number or a Numerical Alias..................................................................7
Dialing an IP Address..............................................................................................................8
Using the Call Waiting Feature.................................................................................... 9
Using the Call Transfer Feature .................................................................................. 9
Call Transfer – Supervised....................................................................................................10
Call Transfer – Unsupervised................................................................................................10
Using the Call Forward Feature................................................................................. 11
Call Forward Unconditional ...................................................................................................11
Call Forward on Busy / No Answer........................................................................................12
Conferencing Calls.................................................................................................... 13
Requirements ........................................................................................................................13
Managing a Conference Call.................................................................................................13
Appendix A
Glossary.................................................................................................. 15

Contents User’s Manual (SIP/MGCP Version)
AT-VP504E FXS iv

AT-VP504E FXS 1
1Using the AT-VP504E FXS
Thank you for purchasing the AT-VP504E FXS from Allied Telesyn.
This manual illustrates some of the various call processes the
AT-VP504E FXS supports. It also describes how to make and receive
calls, as well as how to use the services the AT-VP504E FXS offers.
Before you Begin This manual assumes that:
your AT-VP504E FXS has been properly set up by your
system administrator
If you need to install and configure the AT-VP504E FXS
yourself, please refer to the Administration Manual provided
with your AT-VP504E FXS or contact your system
administrator.
theIPCommunication Serverhasbeenproperlyinstalled
and set up1
If you need to install the IP Communication Server yourself,
please refer to the IP Communication Server Administration
Manual provided with your package.
Related Documentation
In addition to this Manual, each document set of the AT-VP504E FXS
includes the following:
IP Communication Server Manual1
This manual explains how to install and configure the IP
Communication Server, which is a set of software tools that
helps manage a network of APA communication units and
other SIP devices. It is intended for a network administrator.
The manual is not printed –it is located on the Installation CD
provided with your AT-VP504E FXS.
Administration Manual
This manual explains how to install and set up the various
AT-VP504E FXS parameters. It is intended for a network
administrator. The manual is not printed – it is located on the
Installation CD provided with your AT-VP504E FXS.
1. Valid only if you have purchased the IP Communication Server.

Chapter 1 - Using the AT-VP504E FXS User’s Manual (SIP/MGCP Version)
AT-VP504E FXS 2
AT-VP504E FXS Quick Start booklet
Thisprintedbookletallows you to quickly setup andworkwith
your AT-VP504E FXS.
IP Communication Server Quick Start booklet2
Thisprintedbookletallows you to quickly setup andworkwith
your IP Communication Server.
Acronyms
Overviewofthe
AT-VP504E
FXS
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 theAT-VP504E FXS canuse either one of the following
signalling protocol:
the Session Initiation Protocol (SIP), which is a simple
2. Valid only if you have purchased the IP Communication Server.
FXS Foreign Exchange Service
IP Internet Protocol
LAN Local Area Network
LED Light Emitting Diode
MAC Media Access Control
Mb/s Megabits per Second
MGCP Media Gateway Control Protocol
PBX Private Branch Exchange
PSTN Public Switched Telephone Network
SCN Switched Circuit Network
SIP Session Initiation Protocol
SNMP Simple Network Management Protocol
TCP/IP Transmission Control Protocol/Internet Protocol
TFTP Trivial File Transfer Protocol
VoIP Voice Over Internet Protocol
WAN Wide Area Network

Chapter 1 - Using the AT-VP504E FXS User’s Manual (SIP/MGCP Version)
AT-VP504E FXS 3
signalling protocol for Internet conferencing and
telephony.
the Media Gateway Control Protocol (MGCP) version
draft-huitema-megaco-mgcp-v0r1-05. MGCP is a
protocol for controlling Voice over IP (VoIP) Gateways
from intelligent external call control elements.
Using the
AT-VP504E
FXS
Now that your administrator has properly set up the AT-VP504E FXS
and IP Communication Server configuration settings, you can dial any
number on your phone (which is connected to the AT-VP504E FXS)
and place the call.
However, you should be aware that the administrator has probably set
permissions and restrictions regarding local and long distance calls.
Should you encounter any calling problem, please discuss it with your
administrator to remedy the problem and grant the necessary
permissions.
Call Processes Thefollowingexamplesillustratesomeofthe variouscallingprocesses
theAT-VP504EFXSsupports.Theseprocessescanbeadaptedatwill
to suit your needs and requirements.
The AT-VP504E FXS can communicate with the following devices:
Another terminal on the IP network such as the AT-
VP504E FXS.
Any LAN Endpoint on the IP network such as:
• a Soft Phone
• an IP phone directly connected to the IP network
A SCN phone or fax. However, the AT-VP504E FXS
would need to contact an analog gateway such as the
AT-VP504E FXO.
For instance, the Switched Circuit Network (SCN) could be a
Public Switched Telephone Network (PSTN) or some Private
Branch eXchange (PBX).

Chapter 1 - Using the AT-VP504E FXS User’s Manual (SIP/MGCP Version)
AT-VP504E FXS 4
Calls Involving
Another Termi-
nal
The following example illustrates how to reach a phone or fax on
another AT-VP504E FXS terminal.
XPhone/Fax -> AT-VP504E FXS A -> AT-VP504E FXS B -> Phone/Fax
A user makes a call with the phone/fax connected to an AT-VP504E
FXS, which in turn contacts another AT-VP504E FXS, then reaches
the corresponding phone/fax.
Calls Involving
a Terminal and
a LAN Endpoint
The following examples illustrate how a phone/fax connected to an
AT-VP504E FXS terminal can communicate with a LAN Endpoint on
the IP network.
XPhone/Fax -> AT-VP504E FXS -> LAN Endpoint
A user makes a call with the phone/fax connected to an AT-VP504E
FXS, which reaches the corresponding LAN Endpoint on the IP
network.
IP / LAN
Telephone Telephone
AT-VP504E FXS AT-VP504E FXS
Fax Fax
IP Communication Server
yIP phone
ySoft Phone
SIP User Agent
IP / LAN
Telephone Telephone
AT-VP504E FXS AT-VP504E FXS
Fax Fax
IP Communication Server
yIP phone
ySoft Phone
SIP User Agent

Chapter 1 - Using the AT-VP504E FXS User’s Manual (SIP/MGCP Version)
AT-VP504E FXS 5
XLAN Endpoint -> AT-VP504E FXS -> Phone/Fax
A LAN Endpoint contacts the AT-VP504E FXS, which reaches the
corresponding phone/fax connected to the AT-VP504E FXS terminal.
Calls Involving
an Analog
Gateway
The following example illustrates how a telephone/fax connected to an
AT-VP504E FXS terminal and a SCN phone can communicate via an
analog gateway.
XPhone/Fax -> AT-VP504E FXS -> AT-VP504E FXO (Gateway) ->
SCN
A user makes a call with the phone/fax connected to an AT-VP504E
FXS, which in turn contacts an AT-VP504E FXO gateway, then
reaches the corresponding SCN Phone.
IP / LAN
Telephone Telephone
AT-VP504E FXS AT-VP504E FXS
Fax Fax
IP Communication Server
yIP phone
ySoft Phone
SIP User Agent

Chapter 1 - Using the AT-VP504E FXS User’s Manual (SIP/MGCP Version)
AT-VP504E FXS 6
A SCN user can also contact the AT-VP504E FXO gateway, which in
turn contacts the AT-VP504E FXS, then reaches the corresponding
phone/fax.
Calls Without a SIP Server
If the AT-VP504E FXS isnot configured to register with a SIP Server3,
you can make SCN to IP network calls by dialing an IP address.
XIP Address Call
You can dial anothercommunication unit (gateway or terminal) without
the help of a SIP Server by entering its IP address. If you are dialing
the IP address of an AT-VP504E FXS (which has four ports), by
default, you will reach the telephone/fax connected to Port 1 of this 4
ports terminal.
3. Only valid for units that run the SIP signalling protocol.
IP / LAN
Telephone
AT-VP504E FXS
Fax
IP Communication Server
PSTN Phone
PSTN
4 telephone lines
connected to the PSTN
AT-VP504E FXO
(Gateway)
IP / LAN
Telephone Telephone
AT-VP504E FXS AT-VP504E FXS
Fax Fax
yIP phone
ySoft Phone
SIP User Agent
Note: This type of dialing can only be possible if the AT-VP504E FXS
is not configured to register with a SIP Server.