Oki Telephony Adapter User Manual

Oki Voice Over IP Telephony Adapter

User’s Guide

Version 1.2

Oki Electric Industry Co., Ltd.

Safety Warning!

This document contains information regarding the safe use of the Oki VoIP-TA unit. Carefully observe and comply with all safety precautions.

The VoIP-TA Internet Telephony Adapter and the Maintenance Console Software are products of Oki Electric Industry Co. Ltd.

The right to reproduce this manual and/or the Maintenance Console Software is restricted by the Copyright Act.

No part of this document may be copied, reproduced, stored on a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, in whole or in part, without the written permission of Oki Electric Industry Co. Ltd.

Information in this document is subject to change without notice.

The contents of this document and the Maintenance Console Software have been prepared with the utmost care. However, if you notice an irregularity, please contact an authorized sales agent.

Oki Electric Industry Co. Ltd., assumes no responsibility with regard to consequences resulting from the use of the Maintenance Console Software and/or the contents and interpretation of the information contained in this manual.

Ethernet is a registered trademark of Xerox Corporation.

MS-DOS and Windows are registered trademarks of Microsoft Corporation.

Other companies and product names mentioned in this manual my be the trademarks or the registered trademarks of their respective companies. Oki Electric Industry Co. Ltd., neither endorses or recommends third-party products mentioned herein nor assumes responsibility with regard to the use or performance of these products.

Contents

Important Safety Instructions iv

Introduction vi

I Outline 1

The VoIP-TA 1 Features 1 Front panel 2

LEDs 2

Back panel 3

Connectors 3

II Installation 5

Connections 5 Cautions 7

III Placing Calls 8

Via an IP network 8 General operation 8 Services 9

Third party incoming call during another call 9 End-to-end service using DTMF signaling 10 Call transfer during a telephone Call 10 Absent service 12

Details of services 13

Using both a PSTN line and the IP network 13 Using the IP network only 16

IV Troubleshooting 17

V Specifications 18

Important Equipment Information 19

Warranty and Service 20

Contents

iii

Important Safety Instructions

When handling or using the VoIP-TA unit, the following safety precautions should be observed to prevent injury and/or damage to the unit. Use of this equipment in a manner other than that specified in this and other VoIP-TA documents will void the product warranty and may result in damage, serious injury or death.

WARNING Incorrect use by neglecting the following instructions

may cause fire, electric shock, unit failure, resulting in damage, serious injury or death.

• Do not connect a commercial power supply circuit, analogue, digital (ISDN) or PBX digital telephone line to the LAN or PC port.

• Do not use with power supply voltages other than those specified.

• Do not insert or drop metal objects into any of the openings.

• Do not disassemble or modify this product in any way.

• Do not place any vases, cups, cosmetics, chemicals, pots or any other containers containing liquids or small metal objects, near the product. Spillages into the product may cause fire, electric shock or unit failure.

• Do not try to connect or disconnect the power plug with wet hands.

• Insert the power plug fully and securely into the power outlet. To avoid electric shock, do not use a plug that exposes the terminals when inserted.

• Avoid star connections as fire or overheating may result.

• Do not put heavy objects on the AC adapter cord or expose it to excessive heat.

• Do not pull the cord or allow it to overheat as it may be damaged and could cause fire or electric shock.

• If lightning strikes a neighboring area, stop operating the product by disconnecting the AC plug (by grasping the power plug, not the cord) from the power supply outlet.

• Always ground the product properly.

Important Safety Instructions

• Do not use AC adapters other than those specified or supplied.

• If liquid enters the unit, immediately disconnect the power plug (by

grasping the power plug, not the cord) from the power outlet and contact an authorized sales agent or service provider. Continued use may result in fire or electric shock.

• If smoke or fumes are emitted from the unit, immediately disconnect the AC plug (by grasping the power plug, not the cord). When smoke emissions cease, contact a sales agent or service office for repair. Continued use may cause fire, electric shock or unit failure.

• Use only authorized sales agents or service offices for internal inspection or repair.

CAUTION Incorrect use by neglecting the following instructions

may cause fire, electric shock, unit failure resulting in injury or damage.

• Avoid oily, humid or dusty locations, such as on a kitchen table or near a humidifier.

• Do not place the unit on unstable or inclined surfaces as the unit may fall.

• Avoid locations exposed to direct sunlight or moisture as internal

overheating may occur causing fire or unit failure.

• Wipe away with a dry cloth any water droplets that may be on the surface of the unit. Water intrusion may cause fire or unit failure.

• Do not cover up the vent holes of the VoIP-TA. If covered, internal overheating may result causing fire or unit failure.

• Do not unplug the AC power plug by pulling on the cord. Always grasp the plug portion when disconnecting the AC power plug.

• Disconnect the AC power cord and other connectors when moving the VoIP-TA.

• For safety, disconnect the AC plug from the power supply outlet (by grasping the power plug, not the cord) before starting maintenance.

Important Safety Instructions

Introduction

Welcome to the world of Oki Internet telephony…

The Oki voice over IP (Internet Protocol) telephony adapter, VoIP-TA, is a self-contained H.323 version 2 compliant communications device that allows organizations to route both voice and facsimile communications over any TCP/IP network.

The VoIP-TA is designed to provide a service that is virtually indistinguishable from that of conventional telephone and facsimile services.

Use this guide to familiarize yourself with the VoIP-TA. Should you need to handle the equipment, pay special attention to the procedures and safety precautions contained in this guide.

Introduction

Outline

The VoIP-TA

The VoIP-TA is a one-channel Internet telephony adapter that provides Internet telephony services conforming to industry standard H.323 version 2 specifications. It can be connected to a conventional analogue telephone or G3 facsimile machine.

Once installed, VoIP-TA units use the Internet Protocol (IP) network to bridge the distance between units at a fraction of the cost associated with conventional telephony methods.

* Gatekeeper is necessary when more than 100 IP addresses are to

Features

• Compact size and one-channel Internet telephony adapter.

• Automatic telephone routing by specified telephone numbers.

• Smooth and natural telephone calls by optimizing the voice buffer.

• Supports Dynamic Host Configuration Protocol (DHCP manual

• Conforms to the ITU-T recommended H.323 version 2 specifications.

• Supplies real-time Internet facsimile communication.

• Uses high quality voice compression technology.

The Public Switched Telephone Network (PSTN) is supported by VoIP-TA version

Note

1.2 and later. The version number is clearly marked on the bottom of the unit. Please contact your network manager or authorized sales agent or service office if in doubt, to avoid incorrect use.

be used.

allocation) for local IP addresses.

Outline

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