Snom 4S Administrator's Manual
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Snom 4S Administrator's Manual

Snom 4S Administrator's Manual

Sip media server version 2.0
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Administrator's
Manual
snom 4S
SIP Media Server
Version 2.0

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  • Page 1 Administrator‘s Manual snom 4S SIP Media Server Version 2.0...
  • Page 2 © 2002 snom technology Aktiengesellschaft. All Rights Reserved. This document is supplied by snom technology AG for information purposes only to licensed users of the snom 4S media server and is supplied on an “AS IS” basis, that is, without any warranties whatsoever, express or implied.

  • Page 3: Welcome To The Media Server

    “The number you have dialled is temporarily not available”. When you reach the auto attendant of a company, you will hear something like “Welcome to snom technology!”. We take messages like these almost for granted.
  • Page 4 We believe that having a choice is good for you and therefore good for us. This manual is the best way to get started with the snom 4S media server. However, because its hard to keep a manual up-to-date with all the issues that come up, we provide a list of frequently asked questions (FAQ) on out web site www.snom.de —...

  • Page 5: Table Of Contents

    ......................................... Fundamental Settings..............23 ..........................................SIP Port TCP threshold ......................................Log Level ............................................................................Default SIP Domain HTTP port ........................................................................ HTTP User and Password Codecs ..................25 Representing Voice ..................................................................Representing User Input snom technology AG • 5...
  • Page 6 4 S M S N O M E D I A E R V E R A N U A L Accounts ..............29 Registering Accounts ..............30 Passwords ................30 Music On Hold ................30 How to use Music On Hold ..............................

  • Page 7: How It Works

    This is not intended to serve as introduction into VoIP and SIP in general. You find great introductions and numerous links in the Internet (e.g. at http://iptel.org) and in the literature. The snom 4S Proxy/ Registrar manual also gives a brief overview on SIP.

  • Page 8: Response Times

    4 S M S N O M E D I A E R V E R A N U A L to get audio data from a network server and even accessing the local hard disk can degrade the quality. Response Times A modern PC is an unbelievable workhorse.

  • Page 9: Hard Disks

    There is another reason to use a dedicated server for the media server: privacy. Remember that voicemails are normally strictly private, and therefore it makes sense to separate them from normal file access. There is nothing better than a physically separated server for this. snom technology AG • 9...
  • Page 10 4 S M S N O M E D I A E R V E R A N U A L 10 • Installation...

  • Page 11: Installation

    After double clicking on the setup executable, the installations program starts up. Press Next to begin the installation. At the beginning of the installation the setup program asks you to accept the license conditions. Please read them carefully, then select the snom technology AG • 11...

  • Page 12: 12 • Installation

    4 S M S N O M E D I A E R V E R A N U A L “accept” button and press “next” to accept the conditions. If you decline, the installation will be aborted. After accepting the license agreement, the next screen asks you to enter your personal information.
  • Page 13 The installation program proposes a location relative to the media server installation directory, but it might be useful to specify a different location for this, e.g. a temporary directory. It is important that the directory exists; the media server will not create this directory. snom technology AG • 13...
  • Page 14 4 S M S N O M E D I A E R V E R A N U A L Remember that for a good performance of the media server, the media directory should be one the local hard disk. In the next step you can select the installation type.
  • Page 15 Otherwise, choose a free port and write the port number down somewhere so you don’t have to search for it. If you don’t fill in any data or cancel the dialog, port 80 will be used. snom technology AG • 15...

  • Page 16: Uninstalling In Windows

    Check that the installation has been successful by checking the Services field of Windows. Open the services Window and look for “snom 4S SIP Media Server”. The status should be “Started”. If this is not the case you should invoke the media server by selecting “start”. In this case, we recommend rebooting the system to make sure that the media server is running after the reboot.

  • Page 17: Automatic Starting

    Reboot the system and check whether the sip media server was started automatically after the reboot. You can then continue with the installation using the web browser. Stop and restart the media server with snom technology AG • 17...

  • Page 18: Command Line Options

    -rw------- 1 root root 1472 Aug 22 16:17 mediaserver.txt lrwxrwxrwx 1 root root 57 Aug 24 11:42 mediaserver_manual.pdf -> snom_ mediaserver -i386-linux-2.12/snom 4S SIP Proxy-2.12.pdf drwx--x--x 3 root root 4096 Jul 19 15:04 snom_mediaserver -i386- linux-2.10 -rw------- 1 root root 3900938 Jul 19 15:04 snom_mediaserver -i386- linux-2.10.tgz...
  • Page 19 --dir d: Specify the root directory for the media server. This is important as the media server will search files in this directory. --version: Print the version number and exit. snom technology AG • 19...
  • Page 20 4 S M S N O M E D I A E R V E R A N U A L 20 • Setting Up...

  • Page 21: Setting Up

    Licensing web page and enter the host names and the license key that you received with the software (if you don’t have a license key, contact mailto:support@snom.de for one). After saving this page, the license type and the number of currently registered users is displayed on top of the page.

  • Page 22: Hostnames

    After pushing the save button, the web client should show the license type and the menus for the license type become available. If the web client shows „not licensed“, please send the list of hostnames and the IP addresses to mailto:support@snom.de. 22 • Setting Up...

  • Page 23: Fundamental Settings

    5060 or the port that you have chosen (e.g. Microsoft Messenger takes also the SIP port). Most users use port 5062 for this, as the port 5061 is used for TLS transport layer of the SIP proxy. snom technology AG • 23...

  • Page 24: Tcp Threshold

    4 S M S N O M E D I A E R V E R A N U A L TCP threshold SIP uses both reliable and non-reliable transport layers. The media server supports UDP and TCP transport layers. When the media server needs to send a request, it has to make a decision which transport layer to use.

  • Page 25: Http User And Password

    Codecs Representing Voice Codecs stands for “Coder/Decoder” and has become more or less a symbol for a continuous discussion on how to represent voice the best way. There are numerous codecs available today (some examples snom technology AG • 25...
  • Page 26 4 S M S N O M E D I A E R V E R A N U A L shown in the table). The media server supports the most relevant codes G.711, GSM 6.10 and G.729A. You can see that voice compression makes sense only to a certain degree, because the packet transport overhead is approximately 24 kBit/s if you are sending 50 IP packets per second.

  • Page 27: Representing User Input

    In short words, it is okay to leave the DTMF settings as they are after installation in most of the cases. snom technology AG • 27...
  • Page 28 4 S M S N O M E D I A E R V E R A N U A L 28 • Accounts...

  • Page 29: Accounts

    Please be careful, all associated information gets lost if you do this step. If you want to edit the settings of an account click on the edit icon next to the account. You will see a generic form that contains all the snom technology AG • 29...

  • Page 30: Registering Accounts

    4 S M S N O M E D I A E R V E R A N U A L variables of the account. You can edit them here and then press Save to make the changes permanent. Registering Accounts Accounts usually are registered to a proxy.

  • Page 31: How To Use Music On Hold

    You should test the configuration of the media server by calling the music on hold account that you created directly. If everything works fine, you can continue this something more complex: The mailbox. snom technology AG • 31...

  • Page 32: Mailbox

    Mailbox The mailbox account allows callers to leave messages on the media server that can be fetched by their owners later. The mailbox will notify their owners upon reception of new messages. Using the Mailbox Account Using the mailbox from the user point of view is described in a separate document that can be handed out to the users.

  • Page 33: Record Length

    They will try to enter one; if somebody else is already using the conference server they will apologize and go to a different number. snom technology AG • 33...

  • Page 34: Auto Attendant

    4 S M S N O M E D I A E R V E R A N U A L Scheduled conferences typically happen on a periodical basis. The participants are invited per email and that includes a password. The number for these conferences is typically hard to guess and therefore the danger that somebody will accidentally enter the conference is relatively low.

  • Page 35: Maintenance

    Trace The media server also supports a simple method of tracing the SIP messages that went trough it. Just go to Status/Trace to see the last SIP messages that went trough the media server. snom technology AG • 35...

  • Page 36: Logfile

    4 S M S N O M E D I A E R V E R A N U A L Logfile The logfile contains information about important events in the media server. Depoending on the log level you will see more or less messages in this web page.

  • Page 37: Stored Messages

    To see how many messages are stored in your mailbox, go to the Status/Stored Messages web page. There you will see which account has how many messages stores on the hard disk. This may help to find out which accounts need to be taken a look at. snom technology AG • 37...
  • Page 38 4 S M S N O M E D I A E R V E R A N U A L 38 • Defi ning Accounts...
  • Page 39 MOH. See Music On Hold FAQ 4 Multiprocessing 8 Music On Hold 30 MWI. See Message Waitung Indication Hard Disk 9 Host Name 22 HTTP Port 24 Negotiation. See Codec User and Password 25 NFS 9 snom technology AG • 39...
  • Page 40 4 S M S N O M E D I A E R V E R A N U A L Offer/Answer Model 26 Table of Contents 5 Out of Band. See DTMF tarball 17 Tasks 7 TCP 24 TLS 23 Password 30 Trace 35 PBX 3...
  • Page 41 4 S M S N O M E D I A E R V E R A N U A L snom technology AG • 41...
  • Page 42 USA Representation Pascalstr. 10E, 10587 Berlin, Germany ABP International, Inc. Phone: +49 (30) 39833-0 Crestside Dr. mailto: info@snom.de Coppell, Texas 75019, USA http: www.snom.de Phone: +1-972-831-0280 sip: info@snomag.de sip: usa@snomag.de mailto: usa@snom.de © 2002 snom technology AG All rights reserved.

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