Compaq W25の取扱説明書

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Summary
  • Compaq W25 - page 1

    Ericsson W25 Fixed Wireless Terminal for WCDMA/HSPA Mobile Networks Application Note: Fax over IP with Ericsson W25 ...

  • Compaq W25 - page 2

    Contents 1 INTRODUCTION ....................................................................... 3 1.1 B ACKGROUND ............................................................................. 3 2 SYSTEM OVERVIEW ................................................................ 4 2.1 T HE F AX OVER IP SOLUTION ........................................ ...

  • Compaq W25 - page 3

    1 Introduction This document gives a brief description of the Fax over IP and the implementation in the Ericsson W25. It also includes a guidance of how to configure the Ericsson W25. 1.1 Background The Ericsson W25 is intended for residential an d SOHO applications. The focus for the Ericsson W25 is to enable both bro adband data and voice calls u ...

  • Compaq W25 - page 4

    2 System Overview Fax over IP is based on Voice over IP. The Voice over IP system utilizes IP technology over broadband networks and uses SIP for control signaling and RTP for media. The differences between Fax and Voice are the codecs. For voice the normal voice codecs are G.711, G.729, AMR etc, but T.38 is used for fax. The voice and fax media ar ...

  • Compaq W25 - page 5

    2/221 02-FGB 101 327 Uen B – November 2007 5 2.2 VoIP network The basic building blocks for Voice and Fax over IP are a SIP server and a PSTN gateway with T.38 support. Sometimes the PSTN gateway might consist of two units; Media Controller and Media Gateway. Normally a Session Border Controller (SBC) is used to handle security. SIP Server SIP Se ...

  • Compaq W25 - page 6

    2.2.2.2 Media Gateway (MGW) The Media Gateway (MGW) provides interworking between PSTN and IP media streams, i.e. conversion between circuit-switched TD M (Time Division Multiplexing) bearer circuits and packet-switched media streams (RTP). 2.2.3 Session Border Controller (SBC) The SBC can also be called outbound proxy, which normally is a SIP awar ...

  • Compaq W25 - page 7

    2.4 T.38 and T30 Protocol There are two protocols used to transfer a fax over IP; T.30 [2] and T.38 [3]. T.30 is the protocol that describes th e communication process between two fax machines on a circuit-switched network. T.38 is the protocol that describes th e process for sending and receiving fax in real-time over a packet network. The protoco ...

  • Compaq W25 - page 8

    3 Ericsson W25 The Ericsson W25 will work as a gateway, using T.38 protocol. The fax terminal shall be connected to the dedicated fax port on the Ericsson W25. Associated to this fax port is a SIP User Agent, which manages and controls the media streams by using the SIP protocol (RFC 3261) towards the SIP server and the PSTN Gateway. Depending on c ...

  • Compaq W25 - page 9

    3.3.2 Echo Canceller To improve the fax transfer the Ericsson W25 also has an echo canceller in accordance with G.168. 3.3.3 QoS The outgoing VoIP related traffic will be prioritized before other traffic from the Ericsson W25 to reduce the uplink delay and jitter. 3.4 Interoperability The Ericsson W25 is interoperable with e.g. Broadsoft, which is ...

  • Compaq W25 - page 10

    4 W25 Configuration For configuration purpose, the Ericsson W25 includes a CLI (Command Line Interface) and a WUI (web user interface) which are accessible as illustrated in the figure below. Please also see the document “Ericsson W25 Administrator’s Guide” for more details on Ericsson W25 configuration. IP 4.1 Fax service To configure the Fa ...

  • Compaq W25 - page 11

    • user id , which is the public user identification e.g. the phone number xxxxx • password, which is the password for the user id 4.1.1.1 CLI commands The W25 has already one User Agent configured by default, so this needs to be modified. The commands to modify are: cf set ims.user_agent[0].auth_id <auth_id> cf set ims.user_agent[0].user_ ...

  • Compaq W25 - page 12

    Note if the proxy[x].address is set to “localhost”, t he W25 will not register to any SIP server. To display the entries in the call ser ver, use the following command cf show ims.callserver ims.callserver[0].domain "server.com" .proxy[0].address "host.server.com" .port 5060 .outbound_proxy "" .local_ip_interface & ...

  • Compaq W25 - page 13

    2/221 02-FGB 101 327 Uen B – November 2007 13 Parameter Description jbig JBIG should be used, (reduces bandwidth). (True|False) Ecm Specifies if ECM should be used or not. (True|False) extended_ roundtrip Enables the support of dealing with extended round trip delays (True|False) data_wait_time This parameter indicates the time for internal buffe ...

  • Compaq W25 - page 14

    It’s recommended to not enable “extended_roundtrip”, since it has been shown that this cause interoperability problems. Not all gateways support recovery packets, but then the recovery packets will be ignored. Note that at the same time as the recovery_packets is increase, the bandwidth requirement increase as well. For more details see [3]. ...

  • Compaq W25 - page 15

    5 References [1] Internal System Description IMT (IMS Multimedia Telephony) 3.01551-HSC 113 03/4 Uen [2] T.30 Procedures for document facsimile transmission in the general switched telephone network [3] T.38 Procedures for real-time Group 3 facsimile communication over IP networks 2/221 02-FGB 101 327 Uen B – November 2007 15 ...

  • Compaq W25 - page 16

    6 Acronyms and Abbreviations CDMA Code Division Multiple Access CLI Command Line Interface DNS Domain Name System E.164 International Public Telecommunication Numbering Plan as described in the ITU-T Recommendation E.164. FoIP Fax over IP FWT Fixed Wireless Terminal GSM Global System for Mobile Communication HSDPA High Speed Downlink Packet Access ...

  • Compaq W25 - page 17

    7 Appendix A This chapter describes the test results for the End-to-End T.38 interopera bility tests that has been performed on the T.38 implemented in W25. The list includes all successful fax machines (The list has the following format: Fax machine, Profile and Speed) AT/T PPF200 MMR, ECM, 200x1 00 V.29 9600 Brother 6650MC MMR, ECM, 200x100 V.17 ...

  • Compaq W25 - page 18

    Okidata OkiOffice 84 MH, ECM, 200x100 V.17 144 00 Olivetti OFX-1000 MH, ECM, 200x100 V.29 9600 Olivetti OFX 3100 MH, ECM, 200x100 V.29 9600 Panasonic KX F1600 MH, Non-ECM, 200x100 V.29 9600 Panasonic KX F3000 MH, Non-ECM, 200x100 V.29 9600 Panasonic KX F500 MH, Non-ECM, 200x100 V.29 9600 Panasonic KX F580 MH, Non-ECM, 200x100 V.29 9600 Panasonic KX ...

  • Compaq W25 - page 19

    Sharp UX 1400 MR, ECM, 200x100 V.17 14400 Sharp UX 3600M MR, ECM, 200x100 V.17 14400 Sharp UX 460 MR, Non-ECM, 20 0x100 V.29 9600 Supra 28.8 MacIntosh MR, ECM, 200x100 V.17 14400 Telecom AM 11 MR, Non-ECM, 200x100 V.29 960 0 Telecom NP 80 MR, Non-ECM, 200x100 V.29 960 0 Toshiba TF 231 MR, Non-ECM, 200x100 V. 29 9600 Toshiba TF 421 MR, ECM, 200x100 ...

  • Compaq W25 - page 20

    © Ericsson AB 2008 – All Rights Reserved This document contains proprietary information, which is protected by copyright. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, or translated into anothe ...

メーカー Compaq カテゴリー Scale

Compaq W25のメーカーから受け取ることができるドキュメントは、いくつかのグループに分けられます。その一部は次の通りです:
- #BRANDの図面#
- W25の取扱説明書
- Compaqの製品カード
- パンフレット
- またはCompaq W25の消費電力シール
それらは全部重要ですが、デバイス使用の観点から最も重要な情報は、Compaq W25の取扱説明書に含まれています。

取扱説明書と呼ばれる文書のグループは、Compaq W25の取り付け説明書、サービスマニュアル、簡易説明書、またはCompaq W25のユーザーマニュアル等、より具体的なカテゴリーに分類されます。ご必要に応じてドキュメントを検索しましょう。私たちのウェブサイトでは、Compaq W25の製品を使用するにあたって最も人気のある説明書を閲覧できます。

関連する取扱説明書

Compaq W25デバイスの取扱説明書はどのようなものですか?
取扱説明書は、ユーザーマニュアル又は単に「マニュアル」とも呼ばれ、ユーザーがCompaq W25を使用するのを助ける技術的文書のことです。説明書は通常、全てのCompaq W25ユーザーが容易に理解できる文章にて書かれており、その作成者はその分野の専門家です。

Compaqの取扱説明書には、基本的な要素が記載されているはずです。その一部は、カバー/タイトルページ、著作権ページ等、比較的重要度の低いものです。ですが、その他の部分には、ユーザーにとって重要な情報が記載されているはずです。

1. Compaq W25の説明書の概要と使用方法。説明書にはまず、その閲覧方法に関する手引きが書かれているはずです。そこにははCompaq W25の目次に関する情報やよくある質問、最も一般的な問題に関する情報を見つけられるはずです。つまり、それらはユーザーが取扱説明書に最も期待する情報なのです。
2. 目次。Compaq W25に関してこのドキュメントで見つけることができる全てのヒントの目次
3. Compaq W25デバイスの基本機能を使うにあたってのヒント。 Compaq W25のユーザーが使い始めるのを助けてくれるはずです。
4. トラブルシューティング。Compaq W25に関する最も重要な問題を診断し、解決するために役立つ体系化された手続き
5. FAQ。よくある質問
6. 連絡先。一人では問題を解決できない場合に、その国におけるCompaq W25のメーカー/サービスへの連絡先に関する情報。

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