ip pbx
DESCRIPTION
TRANSCRIPT
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Presenter:Nisar Ahmed MemonMuhammad Muzzamil ShaikhAslam Dall
IP PBX (Internet Protocol Private Branch Exchange)
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IntroductionProblems & SolutionEquipment UsedSystem Block DiagramWorking ProcessAdvantagesResultsApplicationConclusionFuture WorkReferences
Table Of Contents
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Introduction• Build unified communications system (real and non real time)• Open source software platform Elastix Server• Asterisk PBX as the kernel • Portability, Cost effective solution and Flexibility• Integration of hardware and software• Android supported handhelds with the wireless network• PCs connected with both wired LAN and wireless LAN• To design IP based PBX network architectures• To customize efficient and effective Soft Switch• To implement real time and non-real time applications• Design Global network by joining small IP based PBX• Integrate Analog Phone and configure these phone
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• Higher charges of calling with respect to distance.• Dedicated line required to complete a call• Limited scalability• Separate Wiring System• Limited Mobility of users• Less Features at a Higher Price• No database
Problems
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Solution
IP PBXInternet Protocol Private Branch
Exchange
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Main Features
• Voice call• Video call• Voice mail• Voicemail to E-mail• Follow me• IVR• Database system• Easy Network Management
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ComparisonPBX IP-PBX
Separate Wiring system Use LAN
Higher operational cost Lower operational costs
Difficult to configure Easy to configure
Complex Management Simpler Management
Less Features More Features
Classical and No Future Future Development
Uses a separate infrastructure Integrates into Data Network
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Equipment
Hardware
• PC server• HTC android• Analog telephone• Access Point• A400E+1FXO• Laptop
Software
• Elastix• Wireshark• 3cx phone• Openfire
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System Block Diagram
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Call Process
Server (Elastix)
Soft Phones
Smart Phone
IP Phone
ATAAnalog Phone
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Working Process
• Customization Of server• Configuration–3CX Soft Phone on PC–3CX Soft Phone on android HTC–SIP Account–Voice Call–Video call–Voice mail– IVR(Interactive Voice Response)
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Advantages
• No Charges of calling with respect to distance.• No Dedicated line required to complete a call• Great Scalability• No Separate Wiring System• Great Mobility of users• Great Features at a Zero Price• Database
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Results
18 38 42 45 58 77 85 88 3330
0.2
0.4
0.6
0.8
1
Packet Loss Analogue Phone
0
Total Packet
Packet
%
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Results
6 17 22 48 52 59 69 91 107 119 148 5730
0.2
0.4
0.6
0.8
1
Packet Loss IP Phone
0
Total Packet
Packet
1%
3 14 23 38 39 46 80 85 89 92 4200
0.2
0.4
0.6
0.8
1
1.2
Packet Loss Softphone Mobile
0
Total Packet
Packet
1%
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Application
• Education • Banks • Corporate Organization • Business Sector• Hotels • Hospitals
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Conclusion
• This model can be implemented in the university campus to provide free voice and video calls.
• The service is secured and allows only the registered user to place calls.
• Quality of Service is not good while communicating phone to any SIP phone, Server Capacity
User CapacityBandwidthCodec
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Future Work
•Integration with PSTN Network•Integration with GSM Network•Integration with others Unified Communication Systems•Communication without side SIP network•Telephony Interface Cards•High security for large scale enterprise network
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References
Van Meggelen J., Smith J., Madsen L."Asterisk: The Future of Telephony".2nd ed. O’Reilly Media, p.608,2007.
Li Jian, Li Wei, Unified communication and standardization, Telecommunications Network Technology,2009,(07)
Andre du Toit (1992). Private PBX Networks: Cost Effective Communication Solutions in Proc IEEE 3rd AFRICON conference
[Montoro, P. and Casilari, E. (2009). A comparative study of VoIP standards with Asterisk. In Proceedings of the 4th International Conference on Digital Telecommunications, pages 1–6, Colmar, France.
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Thank you