ASTERISK

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Asterisk PBX
Presented by S. BALINTULO j.
Guma From Balintulo trading CC
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Contact Information

• Website www.balit.co.za
• Email info_at_balit.co.za
• Feel free to ask me questions or drop us an Email

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Summary

• VoIP
• Asterisk
• All together
• Questions

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• Basic VoIP Jargon
• VoIP Voice Over Internet Protocol
• PSTN Public Switched Telephone Network
• Codec A Digital Signaling Format
• SIP Session Initiation Protocol
• IAX2 Inter Asterisk Exchange Protocol

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• VoIP Hardware
• Proxy Connects Endpoints Together
• Registrar Authenticates Users
• Media Gateway Translates between the PTSN and
  Packet Networks
• Application Server Think Webserver
• ATA Analog Telephony Adapter

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An Introduction to VoIP

• What is VoIP?
• Voice Over IP
• Sending Voice over Internet Protocol
• How VoIP works
• Continuously sample analog audio (20 ms)
• Convert audio into to a digital signaling format
  or codec
• Send digitized stream across the Network as IP
  packets
• Decode the stream to analog for playback

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• Why is VoIP Relevant to Your Business?
• Convergence is happening all around you
• There are implementation, management and
  maintenance opportunities for consulting
  companies.
• In 3 years, traditional PBX and Telephone
  systems will be a thing of the past
• Easy Target - Customers are being saturated w/
  VoIP Advertising from the likes of Vonage
• If you dont provide the service to them, then
  someone else will

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ASTERISK

• Asterisk is a Software (PBX), it connects
• Telephones together.
• Telephones to IVR (Interactive voice Systems).
• Traditional wires to SIP phones over LAN or
  Internet.
• Asterisk is any call, any time, from anywhere to
  anywhere else

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• How much are you going to Save