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VoIP - Step by Step Implementation

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Title: VoIP - Step by Step Implementation


1
VoIP - Step by Step Implementation
  • Dr. Adeel Akram
  • Telecommunication Engineering Department
  • UET Taxila

2
Lecture Overview
  • Introduction
  • 12 Steps to VoIP
  • Case Studies
  • Asterisk
  • Trixbox
  • Brekeke
  • Free PBX
  • miniSipServer

3
Introduction
  • In 2004, with voice-over-IP capturing over 35 of
    all new enterprise voice shipments
  • Since then, most enterprises have begun their
    road to implement VoIP, ranging from new all-IP
    PBXs to service provider hosted solutions (IP
    Centrex). 
  • With the problems encountered by early adopters
    largely resolved and mainstream organizations
    moving from If VoIP to When VoIP decisions
  • Lets begin to layout a roadmap for successful
    VoIP implementation.

4
VoIP RoadMap
  • The lessons learnt from deployment of large data
    networks can help organizations in developing a
    roadmap to help guide enterprises to move to VoIP
    successfully. 
  • It is not a simple recipe to follow, but it
    outlines a thoughtful approach containing an
    admixture of the ingredients that make a
    successful plan. 
  • The skills and determination of the team leader
    and the team members (including vendors and
    service providers, at the right times), will
    determine the success of the overall project. 

5
12 Steps to VoIP
  • The key success factor is building a plan to
    guide the implementation from initial
    brainstorming about what your enterprise can
    accomplish with VoIP through solution selection
    and implementation, closing with a measurement
    program to evaluate the benefits-to determine how
    successful your plan attained its objectives.
  • And how to evolve the initial implementation to
    further success over its lifetime. 
  • Successful users do not select a box, but have
    implemented a business solution that will provide
    increasing benefits over time to the enterprise.

6
Step 1
  • Create and educate a cross-organization project
    team
  • telecom, datacom,
  • financial, planning,
  • business, marketing, sales,
  • customer support, maybe even customers,
  • business partners and suppliers, etc.

7
Step 1 (Contd.)
  • A committed interdisciplinary team is the key to
    project success. 
  • The goals of this team are to determine what to
    do, how to do it and to build performance
    benchmarks to evaluate progress and measure the
    value received from what will be a substantial
    investment over many years. 
  • The need for an interdisciplinary,
    cross-functional project team is critical. It
    must not only understand the technologies
    involved in convergence but, more importantly,
    ensure that the project will support and enable
    the business goals of your enterprise.

8
Step 2
  • Survey capabilities and applications

9
Step 2 (Contd.)
  • Key areas of investigation will include
    networking capabilities, system and device
    features and functions, open interfaces to
    business applications, multimedia messaging,
    web-based applications, mobility capabilities
    and, where appropriate, contact centers. 
  • Of emerging importance is employee presence
    (enabled by instant messaging) and its
    opportunities for improved collaborative work.

10
Step 2 (Contd.)
  • Conduct a survey of the breadth and depth of the
    capabilities being offered and planned by the
    various vendors.
  • Not just todays availability, but a thorough
    look at multi-year solution roadmaps should be
    considered. 
  • Vendors who support both embedded systems
    evolution as well as new pure IP-systems should
    be considered. 

11
Step 3
  • Determine how to apply VoIP within your enterprise

12
Step 3 (Contd.)
  • Understanding the business plan and future
    directions of your organization is an early
    gating step. 
  • As Benjamin Franklin (a very early VoIP planner)
    is credited with saying, If you dont know where
    youre going, any road will get you there! 
  • Consider how the offerings of the various
    suppliers might be applied in your business today
    and tomorrow and where there are existing or
    potential opportunities to achieve business
    benefits.

13
Step 3 (Contd.)
  • Benefits include, for example
  • Effectively manage geographical dispersion
  • Extend, coordinate or disperse contact centers
  • Support mobile/remote workers, road warriors and
    tele-workers
  • Manage acquisitions of new locations
  • Improve customer service
  • Reduce real estate costs

14
Step 4
  • Audit data network (LAN and WAN)

15
Step 4 (Contd.)
  • Voice places special performance requirements on
    your underlying network infrastructure. 
  • Be certain that your infrastructure can support
    the real-time, quality, class-of-service and
    reliability needs of business voice
    communications. 
  • Fortunately, this is a service that most vendors
    and providers now offer and audits are conducted
    routinely and draw upon the many experiences
    learned during VoIPs gestation period.

16
Step 5
  • Find the business hook(s)!

17
Step 5 (Contd.)
  • Now that you know what VoIP offers and what are
    the likely additional capabilities coming down
    the road, your team needs to apply this knowledge
    to identify how your enterprise can benefit from
    a VoIP implementation. 
  • The questions about how and where to use VoIP
    solutions and applications need to be answered
    for your enterprise. 
  • And this view needs to be broad and multi-year. 
  • The implementation will not be static and, in
    many cases, will extend over several years.

18
Step 6
  • Develop the business case(s) for your enterprise

19
Step 6 (Contd.)
  • To develop an analysis based upon a
    quantification of the benefits that your
    organization can achieve by implementing VoIP and
    each of the VoIP-enabled applications your team
    identified as having business value.
  • This evaluation of business value begins to point
    up the true value of having an interdisciplinary
    team charged with the overall VoIP analysis. 
  • All of the key organizations are represented, and
    they can apply their organizational knowledge
    towards making the analyses real and
    implementable.

20
Step 7
  • Develop a detailed functional and implementation
    plan

21
Step 7 (Contd.)
  • While the business case(s) are being developed, a
    plan to implement the solution(s) needs to be
    developed. 
  • A good idea might be to develop the
    implementation plans in parallel with the
    business case(s). 
  • These detailed implementation plans will identify
    the key dependencies and major work programs that
    will be needed for your organization to obtain
    the benefits proposed by the applications posed
    in the business cases.  They are two sides of the
    same sheet of paper
  • What can be achieved, and
  • The steps to get there.

22
Step 7 (Contd.)
  • The implementation plan serves two additional
    purposes
  • It develops a prioritization of what can be
    accomplished over what time frames.
  • It develops a view of the resources required to
    implement the solutions.
  • Both of these plan elements are critical to the
    success of obtaining executive buy-in to the plan
    and identifying and receiving the required
    budgetary commitments.

23
Step 8
  • Obtain internal commitments and budget

24
Step 8 (Contd.)
  • Because we have already evaluated the overall
    impacts on the organization--the costs, benefits
    and financial implications (investment dollars
    over time and the returns on those investments)
  • Budgetary approvals, while certainly never easy
    for a major technology investment, are certainly
    more likely to be obtained if the team making the
    recommendations represents all of the involved
    and affected organizations, have identified both
    the benefits and costs and proposes a timeframe
    that the decision makers are likely to view as
    both reasonable and prudent. 

25
Step 8 (Contd.)
  • It is likely that only the first few elements of
    the overall project may be approved in the
    initial request, and that the full plan may
    require several budget cycles to be fully
    approved. 
  • Because of the focus on infrastructure upgrades,
    it is also likely that the early approval
    elements may not have the best return on
    investment. 
  • This also shows the value of having undertaken a
    full, multi-year plan. Your organization will be
    making an investment with returns that become
    realized only after several phases are
    implemented.

26
Step 9
  • Implement your plan, and be prepared to adjust

27
Step 9 (Contd.)
  • Having obtained the approvals to proceed,
    implement the plan developed earlier. 
  • This should include making the technology choices
    and vendor acquisition decisions, business
    process and systems re-design, as required.
  • Since it may have been some time since the
    earlier network assessment (Step 4) was conducted
    and changes may have been made to applications or
    volumes, etc., an update assessment should be
    included as an early part of the implementation.

28
Step 10
  • Make feedback loops built into your roadmap, and
    adjust appropriately

29
Step 10 (Contd.)
  • Frequently overlooked is the ability to monitor
    progress and adjust the roadmap as things
    progress
  • We all know from experience that major projects
    generally take more time than estimated, cost
    more than budgeted and often return less than
    expected.
  • Having appropriate feedback embedded into your
    process makes the required adjustments less
    dramatic and more manageable than when not
    anticipated and folded back into the
    implementation program.
  • Such additional forced communication across the
    organization can serve to improve the quality of
    results.

30
Step 11
  • Determine how well the benefits track the
    expectations

31
Step 11 (Contd.)
  • Taking the time to do this evaluation is an
    important step that should not be overlooked. 
  • This is especially true if the project was broken
    into several phases for implementation. 
  • The next-phase results need to be based upon a
    good understanding of the results of the prior
    implantation phases.

32
Step 12
  • Celebrate your success

33
Step 12 (Contd.)
  • Having successfully brought VoIP into your
    enterprise, take a little time to celebrate your
    successes.
  • But be careful to not celebrate too much...or you
    may need to enroll in another kind of 12-step
    program

34
Case Studies
  • Step by Step Practical Implementations of VoIP
    Solutions

35
Asterisk
  • The Linux based Open Source Software Asterisk has
    become the de facto standard in modern VoIP PBX
    systems.
  • Because of its powerful and flexible structure
    Asterisk is also being used as the VoIP engine in
    commercial PBX products, partly because some PBX
    manufacturers have realized that it would not
    make much sense to compete against the
    development momentum of this open source project
    and end up having an expensive look-alike that no
    one wants to write interface software for.

36
Asterisk
  • The flexibility of Asterisk comes with a price,
    though. There is no user friendly interface
    included and the command language and syntax have
    a very steep learning curve.
  • Even though some VoIP enthusiasts are configuring
    their Asterisk PBX box from the command line
    interface, this is not practical for a commercial
    product.
  • Managing a PBX system this way would be just as
    absurd as trying to sell a fax machine that needs
    a computer science diploma to operate.

37
Asterisk
  • O.K, this fax machine comparison is not quite
    fair because PBX systems in general need much
    more complex configuration, but this is why the
    Asterisk PBX Manager Web GUI was developed.
  • It allows configuring and operating an Asterisk
    based VoIP system as conveniently as with
    conventional PBX boxes but leaving the door open
    for much more sophisticated telephony and
    interface functions.

38
Asterisk
  • Asterisk is basically a a complete PBX engine in
    software. It runs on Linux, BSD and Mac OSX and
    provides all of the features you would expect
    from a PBX and more.
  • Asterisk does voice over IP in many protocols,
    and can interoperate with almost all
    standards-based telephony equipment using
    relatively inexpensive hardware.
  • Even though it behaves as a classical voice
    exchange there is a major difference in dataflow
    when using the popular SIP protocol for
    connecting telephones

39
Asterisk
  • In principle there is no difference of a
    telephone being external or internal.
  • This means that a person using a mobile IP
    telephone, for example a SIP softphone installed
    on a notebook or pda, this telephone will ring no
    matter where it is globally located.
  • When using the popular SIP protocol it is even
    possible to have all voice or video data flowing
    directly between caller and callee if both are
    located somewhere external to the Asterisk PBX.

40
Installing Suse Linux 10 and Asterisk
  • Here we show you how to install a complete VoIP
    Server, including Linux, Asterisk and PBX Manager
    - Step by Step.
  • Suse 10 Linux Installation
  • Preparing Linux for Asterisk
  • Install MP3 Support
  • Asterisk Installation Procedure
  • PBX Manager Installation

41
Suse Linux 10 Installation
  • Download your all five Suse 10 Open Source CD
    images and burn CDs from these ISO files.
    Alternatively you may buy a single DVD from
    Novell.
  • Insert CD 1 (or the Novell DVD) and install
    Linux to your local hard disk. For realtime
    performance reasons be sure to install only the
    minimal text based Linux operating system and no
    graphicai user interface such as GNOME or KDE.
  • Other than that, the basic installation steps are
    quite straigthforward and all proposed default
    settings can be accepted.

42
Preparing Linux for Asterisk
  • After booting from hard disk log on as user root
    at the command line. Now we have to use the
    installation tool yast to install a C Compiler
    and some additional modules.
  • You may do this interactively by calling yast
    without any parameters or by entering the
    following commands
  • yast -i ncurses-devel yast -i zlib-devel yast -i
    glibc-devel yast -i gcc yast -i
    kernel-source yast -i openssl-devel yast -i samba

43
Preparing Linux for Asterisk
  • The Samba Server comes in handy to access the
    Linux file system directly from any Windows PC
    over the network.
  • In order to get Samba working you have to
    configure /etc/smb.conf, which can be done with
    the vi editor
  • cd /etc/samba vi smb.conf
  • Look for the line workgroup xxx and replace it
    with the name of your Windows Workgroup or
    Microsoft Domain, for example
  • workgroup uettaxila

44
Preparing Linux for Asterisk
  • At the end of this file add the following lines
  • root path / valid users root public
    no writable yes directory mask 777
  • Save the edited file and leave vi by pressing the
    following keys exactly as noted (Esc)wq(Enter).
  • To leave vi without saving any changes enter
  • (Esc)qa!(Enter)

45
Preparing Linux for Asterisk
  • Now we need to add root as a valid Samba user,
    give him a password and ensure that Samba runs
    automatically at system start
  • smbpasswd -a root (you will be prompted for a
    password) chkconfig smb on chkconfig nmb on
  • In order to access the Linux partition over the
    network you have to modify or shut off the Suse
    Linux firewall.
  • Use yast, go to Security.. / Firewall, stop the
    firewall and set its startup mode to manual.

46
Preparing Linux for Asterisk
  • After your Linux Server is restarted by entering
    reboot or shutdown r now you should be able to
    see the root share in the Network Neighborhood of
    any Windows PC on the local network.
  • If not, try to map a network drive similar to
    \\192.168.1.100\root, replacing 192.168.1.100
    with the IP Address of your Linux server.
  • Use this drive to copy the downloaded Webmin
    installation file to /usr/src and install it
    according to the following example (adjust the
    version numbers accordingly)
  • cd /usr/src/webmin-1.260-1 rpm -i
    webmin-1.260-1.noarch.rpm

47
Preparing Linux for Asterisk
  • Now you are ready to administer your Linux server
    from any Web Browser on the LAN.
  • By entering the following URL http//192.168.1.10
    010000 Again, replace 192.168.1.100 with the
    actual IP Address of your server.

48
Install MP3 Support
  • In order to play Music-On-Hold (MOH) Linux needs
    to be able to decode and handle the MP3 file
    format.
  • This can be done in two different ways
  • by installation of the classic mpg123 module or
  • by using the new format_mp3 module contained in
    Asterisk Addons.
  • Be sure to install only one of these solutions
    and not both!
  • Follow the procedure in next slide to install
    either of the above modules

49
MP3 playback with mpg123
  • This is a proven and reliable solution.
  • Without applying the patch below there is a known
    security issue, but the most serious drawback is
    the fact that mpg123 is not being actively
    maintained any more. Download both the latest
    mpg123 installation source and security patch,
    copy both to /usr/src und install them as
    follows
  • cd /usr/src rpm -i mpg123-0.59s-513.i586.rpm rpm
    -i mpg123-0.59s-513.i586.patch.rpm

50
MP3 playback with format_mp3
  • This is a new light-weight mp3 module found in
    Asterisk Addons V.1.2.3.
  • This is a solution with a more promising future,
    even though it is not quite ready for production
    yet.
  • The author states that is has only been tested
    with Solaris 2.6 and there are known issues with
    MP3 files encoded with LAME that may lead to
    Linux crashes.
  • You should also make sure to convert your mp3
    files to 8 kHz Mono format in order to avoid high
    CPU load.
  • For latest installation instructions see the
    README inside the Asterisk Addons package.

51
Asterisk Installation Procedure
  • Download the latest Asrerisk installation sources
    (zaptel, libpri, asterisk, addons and sounds) and
    unpack them into subdirectories. Go to the Linux
    command line interface and install them in the
    following order
  • cd /usr/src/asterisk-zaptel-1.2.6 make
    Linux26 make config make install
  • cd /usr/src/asterisk-libpri-1.2.3 make make
    install

52
Asterisk Installation Procedure
  • cd /usr/src/asterisk-1.2.9.1 make make
    install make samples
  • cd /usr/src/asterisk-addons-1.2.3 make make
    install
  • cd /usr/src/asterisk-sounds-1.2.1 make install

53
Asterisk Installation Procedure
  • If you have managed to get all these Asterisk
    modules compiled, congratulations! You are now
    ready to start Asterisk from the command line
    simply by entering asterisk. In order to interact
    with Asterisk from the Asterisk Command Line
    Interface (CLI) enter
  • asterisk -r

54
Asterisk Installation Procedure
  • You will see the Asterisk welcome message and
    this is where you can do all Asterisk debugging
    and realtime modifications.
  • Try help to see a list of the supported CLI
    commands.
  • Use the restart now command to restart Asterisk
    after a major configuration change or (Strg)-z to
    go back to the Linux command level leaving
    Asterisk running in the background.
  • The installation scripts should have configured
    Linux so that Asterisk will be automatically
    started after system boot.

55
OS Specific instructions
  • Asterisk installation on Fedora Core 2 final
  • Asterisk installation for CentOS 4.x
  • CentOS 5 and Asterisk 1.4.x installation
  • CentOS 5.2 and Asterisk 1.6.x installation
  • Asterisk installation tips
  • How to install on all kinds of operating systems
    and distributions

56
PBX Manager Installation
  • Point your web browser to Webmin (http//ltLinux
    servergt10000), go to Webmin Configuration /
    Webmin Modules and enter the PBX Manager
    installation file that you have downloaded from
    here.
  • After a few seconds you will have a new Asterisk
    entry in the Webmin Menu Server page that may
    also be accessed directly via http//ltLinux
    servergt10000/asterisk
  • If this is the first time you started PBX Manager
    you should go to the Files Menu and deploy the
    standard configuration shipped with PBX Manager
    in order to have a basic, working default
    configuration to start out with.

57
PBX Manager Installation
  • Point your web browser to Webmin (http//ltLinux
    servergt10000), go to Webmin Configuration /
    Webmin Modules and enter the PBX Manager
    installation file that you have downloaded from
    here.
  • After a few seconds you will have a new Asterisk
    entry in the Webmin Menu Server page that may
    also be accessed directly via http//ltLinux
    servergt10000/asterisk
  • If this is the first time you started PBX Manager
    you should go to the Files Menu and deploy the
    standard configuration shipped with PBX Manager
    in order to have a basic, working default
    configuration to start out with. Online Demo
    User demo, PW insecure

58
Trixbox PBX Installation
59
Trixbox Installation Requirements
  • Dedicated Machine or Virtual machine with the
    following specifications
  • 700 MHz processor
  • 10 GB Hard disk
  • At least256 mb of Ram (512 Recommended)
  • Trixbox (IP Phone Server Software)
  • Any Softphone or Hardphone

60
Trixbox Installation Procedure
  • 1) Download trixbox CE 2.6.2 (Stable) from the
    following link
  • http//master.dl.sourceforge.net/sourceforge/aster
    iskathome/trixbox-2.6.2.2.iso
  • After downloading if you are gonna use it on
    dedicated machine burn the image into CD
    otherwise you can use ISO with Vmware or any
    other virtualization software.

61
Trixbox Installation Procedure
  • 2) Here we assume that we are using virtual
    machine, although the process is same for
    dedicated machine.
  • 3) Use .iso with Vmware or any other
    virtualization software and start the virtual
    machine.
  • You will be greeted with a cool green screen of
    trixbox installation.
  • Now press enter to install trixbox.
  • 4) It will prompt you to select language so
    select the language you wanna use and press OK.
  • 5) It will now ask for your timezone. This is an
    important step so please select the correct
    timezone.

62
Trixbox Installation Procedure
  • 6) Now you will need to select the password for
    root user select the password and rewrite it to
    confirm and press OK.
  • 7) Installation will be started in 1 minute and
    it will reformat your harddisk and install
    trixbox.
  • 8) When installation is done your will be
    restarted and you will have the following screen
    very soon

63
Trixbox Installation Procedure
64
Trixbox Installation Procedure
  • 9) There are 2 username and password you will
    need to use to login to trixbox.
  • Username and password you will need to use for
    logging in to console.
  • Username root
  • Password  is the password you supplied during
    installation.
  • Username and password you will need to use for
    logging in to Gui of trixbox.
  • Username maint
  • Password password

65
Trixbox Installation Procedure
  • 10) We need to enter an IP for IP Phone server
    here.
  • Enter the following command
  • system-config-network
  • and enter an static IP which you want to use. It
    is always better to use LAN IP at this point.
  • 11) After assigning an IP you can login to GUI.
  • Open up IE or any other browser and enter the ip
    you selected in step 10.
  • 12) After logging in to GUI You will receive the
    Trixbox interface as shown in the following
    figure

66
Trixbox Installation Procedure
67
Trixbox Configuration
  • 13) Now it is the time to add first extension.
  • Click on PBX gt PBX Settings gt Extension
  • Select Generic SIP Device and click submit.
  • You will need to enter the following details to
    add an extension.
  • User extension (It can be anyone like 202,302,402
    and so on.
  • Display Name (Enter any name you want)
  • Secret (Write any word you want to be used as a
    secret for this extension).

68
Trixbox Configuration
  • 14) You can see all the extensions on right side.

69
Trixbox Configuration
  • 15) Now its the time to configure softphone.
  • Lets suppose you have downloaded and installed
    X-Lite.
  • When you will run X-Lite for first time it will
    ask for you SIP account.
  • You will have the following dialog box.

70
Trixbox Configuration
71
Trixbox Configuration
  • In the first box of display name enter the
    display name you entered while adding an
    extension on trixbox.
  • Second box is for username.It is the extension
    number you entered while adding an extension on
    trixbox.
  • Third box is for password enter the secret you
    entered while adding an extension on trixbox.
  • Fourth is for authorization username it is also
    as extension number you entered while adding an
    extension on trixbox.
  • In the fifth box of domain enter the IP address
    of your trixbox server.
  • Check register with domain and receive incoming
    calls.
  • select domain and click apply then OK

72
Trixbox Configuration
  • You are now done and you will have a final screen
    looks like the following

73
Trixbox Configuration
  • Now let me send a test call to my number and i
    will have the following

74
Brekeke SIP Server Requirements
  • A simple/inexpensive LAN switch (or hub) for
    setting up a small LAN environment
  • A Windows PC (i.e., Windows XP, Windows Vista)
  • BudgeTone-100 from Grandstream
  • X-Lite Softphone. If you do not have X-Lite
    Softphone on your PC, you can download it from
    CounterPaths webpage. (Download X-Lite
    Softphone)
  • When using X-Lite Softphone or any other SIP
    softphones, you need a microphone and speaker for
    voice communication.

75
Brekeke SIP Server Installation
  • Setting up Windows PC with a static IP address
  • Configure your PC with a static IP address
    192.168.0.102 and subnet mask of 255.255.255.0
  • Click Start-gtControl Panel, click the
    Network Connection icon. Double click Local
    Area Connection, click the Properties button.
  • In the "Local Area Connection Properties" dialog
    box, double-click the Internet Protocol
    (TCP/IP) item. In the "Internet Protocol
    (TCP/IP) Properties" dialog box, select Use the
    following IP address. Set IP address
    192.168.0.102 Subnet mask 255.255.255.0
    Click Ok to save the settings
  • Make sure your PC is connected to the LAN
    switch/Hub with an Ethernet cable.

76
Brekeke SIP Server Installation
  • Download and Install Brekeke SIP Server
  • Download the Brekeke SIP Server installer from
    its website download page. Free trial is
    available.
  • After successfully installing the product, a
    Brekeke SIP Server icon will appear on your PC's
    desktop.
  • Activate Brekeke SIP Server
  • Start the Brekeke SIP Server by double-clicking
    the Brekeke SIP Server icon from your PC
    desktop.
  • Activate Brekeke SIP Server with product ID. Need
    a Product ID?
  • Login
  • Enter "sa" in both the User ID and Password
    fields from the Brekeke SIP Server Admintool
    screen.
  • Start Brekeke SIP Server. The Status field should
    indicate that the Brekeke SIP Server is Active.

77
Brekeke SIP Server Installation
  • Setting Up Brekeke SIP Server for User
    Authentication
  • The authentication for REGISTER and INVITE is
    enabled by default on Brekeke SIP Server, which
    is set at
  • Brekeke SIP Server gt Configuration gt SIP
    gtAuthentication
  • To register SIP UA with Brekeke SIP Server
    authentication on, create User Authentication
    account for each SIP UA is needed.
  • Do the following to set up authentication
    accounts at Brekeke SIP Server

78
Brekeke SIP Server Installation
  • Choose Brekeke SIP Server gtUser Authentication
    gtNew User, and set.
  • User UA UserName.
  • Password SomePassword.
  • (Confirm) SamePassword.
  • Name Description to remind whose auth account
    it is.
  • Click Add.
  • To make sure the user authentication information
    is added for this user, check from View Users.

79
Brekeke SIP Server Installation
  • In this example, we will create Authentication
    accounts from SIP UA Grandstream and xLite.
  • In the following setup, the authentication user
    IDs will be the same as the phone numbers (SIP
    user ID). It is requied by default settings of
    Brekeke SIP Server authentication.
  • Grandstream BudgeTone-100 User Authentication
    account at Brekeke SIP Server
  • User 160
  • Password 1234
  • (Confirm) 1234
  • Name Grandstream

xLite User Authentication account at Brekeke SIP
Server User 555 Password 5678
(Confirm) 5678 Name xLite
80
Setting up Grandstream BudgeTone-100
  • Set up Grandstream BudgeTone-100 with a fixed IP
    address (Ex 192.168.0.160) and subnet mask of
    255.255.255.0
  • Set SIP registrar IP, user/phone number and
    authentication information from Advanced
    Settings tab on the phone
  • SIP Server 192.168.0.102 (Brekeke SIP Server's
    IP address set in step 1-2)
  • Outbound Proxy 192.168.0.102 (Brekeke SIP
    Server's IP address set in step 1-2)
  • SIP User ID 160 (the same as the authentication
    user set in step 3-2a)
  • Authenticate ID 160 (authentication user set in
    step 3-2a)
  • Authenticate Password 1234 (password set in step
    3-2a)
  • Name any
  • Update the settings and reboot the phone

81
Setting up Grandstream BudgeTone-100
  • Check Grandstream manual for more information on
    setting up your BudgeTone-100 phone. Most of the
    default settings in the Grandstream BudgeTone-100
    should work.
  • Now make sure the phone is connected to the LAN
    switch/Hub with an Ethernet cable From Brekeke
    SIP Server Admintool -gt Registered Clients,
    this phone is registered as User 160 Contact
    URL sip160_at_192.168.0.160

82
Setting up X-Lite as a SIP UA
  • Set up X-Lite as a SIP UA on your PC
  • Start X-Lite from your PC by choosing
    Start-gtAll Programs-gtX-Lite.
  • From the X-Lite dialog box, go to ?-gtSIP
    Account Settings-gtProperties, enter
  • Display Name any
  • User name 555 (the same as the authentication
    user set in step 3-2b)
  • Password 5678 (password set in step 3-2b)
  • Authorization user name 555 (the authentication
    user set in step 3-2b)
  • Domain 192.168.0.102 (Brekeke SIP Server's IP
    address set in step 1-2)
  • Check Register with domain and receive incoming
    calls and select domain under Send outbound
    via
  • In order for X-Lite to work as a voice
    communication device, you must have a microphone
    and speaker(s) connected to your PC.
  • Verify that X-Lite has successfully registered
    with Brekeke SIP Server from Registered Clients
    tab. You should see that the X-Lite is registered
    as user 555 Contact URL sip555_at_127.0.0.1.

83
Brekeke SIP Server Installation
  • Making VoIP Calls
  • To make a call from the Grandstream BudgeTone-100
    to X-Lite, follow these steps
  • Press Speakerphone button.
  • Wait for a steady dial tone.
  • Dial 555, and press Send button.
  • To make a call from X-Lite to the Grandstream
    BudgeTone-100, follow these steps
  • Enter 160 and click on Dial button
  • To hang up, click on hang up button

84
Free PBX Installation
  • FreePBX Install Guide (CentOS v5.x, Asterisk
    v1.6.x, FreePBX v2.6.x)
  • Includes every detail in the form of step by step
    instructions from bare metal to a running VoIP
    PBX in about 2 hours.

85
miniSipServer IP PBX
  • In normal, we need to setup three main
    components
  • IP-PBX,
  • phones (or soft-phones) and
  • VoP carriers' service that let you call other
    peoples on the PSTN (Public Switched Telephone
    Network, it is our traditional telephone
    network).

86
miniSipServer IP PBX
  • IP PBX
  • There are lots of IP-PBX.
  • Some of them are hardware based devices, some of
    them are software based server.
  • miniSipServer is a professional SIP PBX for
    Windows system.
  • It has all features we need.
  • Most important, it is so easy that we can setup
    and run it in 10 minutes!

87
miniSipServer IP PBX
  • SIP Phones
  • We can buy SIP phones from Grandstream, Cisco,
    Linksys, etc.
  • If we still want to use our traditional analog
    telephone, we can buy a SIP adapter.
  • To get started, we use a softphone and run it in
    the same computer or another computer.
  • We will try Xlite softphone.

88
miniSipServer IP PBX
  • VoIP Carriers
  • Lots of VoIP carriers can provide SIP services.
    The following VoIP providers are suggested
  • Sipgate.
  • VoiceTrading.
  • BroadVoice.
  • Once register to these VOIP providers, they will
    give you a SIP account information, such as SIP
    server address, account name and password, etc.
  • These information will be used when we configure
    our IP-PBX.

89
miniSipServer IP PBX
  • Scenario
  • Following figure describes a simple environment
    for small business or home based business

90
miniSipServer IP PBX
  • In our demo scenario, the small company only has
    two member, Holly and G.T.
  • Holly's extension number is 100, and G.T's
    extension phone number is 101.
  • Both of them have PCs based on windows system.
  • The IP address of Holly's PC is 192.168.1.100.
  • The IP address of G.T's PC is 192.168.1.101.
  • miniSipServer will be installed on another PC
    whose IP address is 192.168.1.110.
  • The company establish connection with PSTN
    through a VoIP carrier's network.

91
miniSipServer IP PBX
  • We will follow subsequent steps to establish our
    VoIP network
  • Step 1 Setup miniSipServer. Following figure
    describe it.

92
miniSipServer IP PBX
  • Step 2 Connect local users to miniSipServer.

93
miniSipServer IP PBX
  • Step 3 Connect miniSipServer to VoIP providers'
    network.

94
miniSipServer Configuration
  • Step 4 Configure some wonderful advance services
    for our small company, such as auto-attendant,
    ring group and pick-up.

95
miniSipServer Installation
  • Step1 setup miniSipServer
  • This step could be the easiest one in our
    configuration.
  • We can download the miniSipServer SETUP file from
    http//www.myvoipapp.com/download.
  • The latest version is 2.5.4 now.
  • There are several kinds of miniSipServer, such as
    20 client, 50 clients etc.
  • For example, "100 clients" version can support
    100 extensions.
  • Since there are only two members in our scenario,
    "20 clients" version is enough.

96
miniSipServer Installation
  • Before we install miniSipServer, please make sure
    that the PC based on Windows and network are work
    well.
  • After that, click the .EXE file for miniSipServer
    setup and run it! There is no configuration
    required during setup process.
  • If everything goes well, the miniSipServer should
    run as show in the following figure.

97
miniSipServer Installation
98
miniSipServer Installation
  • Step2 connect local users to miniSipServer
  • When miniSipServer is installed, it will create
    three default extensions automatically.
  • Please click button "local users" in main window
    to check it.
  • The default password for these extensions are
    also 100, 101 and 102.
  • The users information is displayed in the
    following figure

99
miniSipServer Installation
100
miniSipServer Installation
  • Configuring Softphones
  • We begin to configure Holly's softphone to
    connect miniSipServer.
  • Holly use Xlite as her softphone.
  • The Xlite is a wonderful SIP client and can be
    download from http//www.counterpath.net/x-lite.ht
    ml.
  • After install Xlite and begin to run it, it will
    prompt to configure a SIP account.
  • The following figure shows the SIP account setup
    window of Xlite

101
miniSipServer Installation
102
miniSipServer Installation
  • Click "Add..." button to add a SIP account as
    shown in figure

103
miniSipServer Installation
  • The key configurations are described below
  • User name
  • 100
  • Password
  • 100
  • Authorization user name
  • 100
  • Domain
  • 192.168.1.110
  • Register with domain and receive incoming calls
  • Yes
  • Send outbound via
  • domain

104
miniSipServer Installation
  • Click 'OK' button to complete the Xlite
    configuration. Xlite will try to register to
    miniSipServer. If it successes, it should display
    'Ready' information.

105
miniSipServer Installation
  • Now, Holly's extension has connected to
    miniSipServer .
  • We can follow the same step to configure G.T'
    extension.
  • If you have other kinds of SIP clients/phones,
    they should also be configured with same
    information.
  • Both Holly and G.Ts extensions have been
    connected to miniSipServer.
  • We can check miniSipServers local user
    information to check their status.
  • Their icons should be blue indicating their
    online status.

106
miniSipServer Installation
  • After we finish this step, the basic VoIP network
    is established. Holly and G.T can call each
    other. Holly can dial '101' to call G.T, and G.T
    can also dial '100' to call Holly.

107
miniSipServer Configuration
  • Add a new extension in miniSipServer
  • In above configuration, we use the default
    extensions '100' and '101'. In future, with the
    growth of company, more and more people will join
    with us, we need add more extensions to support
    them. So we can do as following
  • In the 'local users information' window, please
    click 'Add' button to add a new extension.

108
miniSipServer Configuration
  • Step 3 connect miniSipServer to VOIP provider
  • We have establish internal VoIP network of Holly
    and G.T. It is time to establish connection with
    customers now.
  • Usually, if we want to make call to outside or
    receive a call from outside, we need a VoIP
    gateway connect our miniSipServer and traditional
    telephone or we need VoIP provider to do it for
    us.
  • We decide to connect our miniSipServer to VoIP
    providers' network and we select BroadVoice as
    our VoIP provider.
  • After we request a SIP account from BroadVoice,
    for example, the account is '723123456', we will
    use use this account to configure miniSipServer
    to connect BroadVoice.

109
miniSipServer Configuration
  • In the miniSipServer main window, please click
    button 'External lines' to add an external line
    information.

110
miniSipServer Configuration
  • In the pop up window, please click button 'Add'
    to add an external line with BroadVoice account
    information.

111
miniSipServer Configuration
  • The key informations is described in example
    below
  • External line
  • 7321234567
  • Password
  • 1234
  • Peer server address
  • sip.broadvoice.com
  • Peer server port
  • 5060
  • Share outgoing call with other local users
  • Yes
  • Auto attendant
  • Yes

112
miniSipServer Configuration
  • Since we assume that both Holly and G.T can make
    outgoing calls, we select 'share outgoing call
    with other local users'.
  • Here we configure 'auto attendant' to support
    receiving incoming call from outside.
  • If the external line success to connect to peer
    server ( VoIP provider's network or VOIP
    gateway), the icon of the external line should be
    gray and without cross flag.
  • Now, we discuss some details about making
    outgoing call and receiving incoming call.

113
miniSipServer Configuration
  • Make outgoing call
  • As we have confirmed in previous sections, Holly
    and G.T can call each other by dialing their
    extensions number directly.
  • If we want to make outgoing call to our
    customers, we must be connected to our VoIP
    provider.
  • Since the external line is connected to VoIP
    provider's network ( or VoIP gateway), we can
    call outside customers, by adding prefix '9'
    before we dial our customers numbers.
  • In miniSipServer, prefix '9' is the default
    outgoing prefix which is used to distinguish call
    type.
  • For example, if the customer's number is
    '7321234568', we dial '97321234568'.

114
miniSipServer Configuration
  • Receive incoming call
  • When we configured external line before, we has
    indicated 'auto attendant' at the same time.
  • So when the customer calls in, miniSipServer will
    prompt him/her to enter extension number.
  • For example, once the customer calls "7321234567"
    (the external line number provided by VoIP
    provider and configured in miniSipServer), he/she
    will hear "Welcome, please enter extension
    number" and the customer can enter '100' to call
    Holly or enter '101' to call G.T.
  • The benefit of using "auto attendant" to receive
    incoming call is that the company can provide
    only one public telephone number to customers and
    assign different extensions to each employee.

115
Questions
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