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Introduction-to-Voice_over_Internet_Protocol.ppt

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The document discusses key aspects of IP telephony and VoIP protocols, emphasizing that IP is a connectionless protocol which offers multiple transmission paths. It highlights the relationship between bandwidth and codec, noting that higher bit rates necessitate increased bandwidth for effective performance. Additionally, it addresses the calculations for required bandwidth in live video streaming based on frame size, frame rate, and the number of cameras.

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1 Β© 2005 Cisco Systems, Inc. All rights reserved. Cisco Public IP Telephony IP Internetwork β€’ IP is connectionless. β€’ IP provides multiple paths from source to destination.
2 Β© 2005 Cisco Systems, Inc. All rights reserved. Cisco Public IP Telephony Major VoIP Protocols
3 Β© 2005 Cisco Systems, Inc. All rights reserved. Cisco Public IP Telephony VoIP Protocols and the OSI Model
4 Β© 2005 Cisco Systems, Inc. All rights reserved. Cisco Public IP Telephony Bandwidth Implications vs Codec
5 Β© 2005 Cisco Systems, Inc. All rights reserved. Cisco Public IP Telephony Sending Snap Shots Required bandwidth is proportional to the bit rate. Faster bit rate requires more Bandwidth.
6 Β© 2005 Cisco Systems, Inc. All rights reserved. Cisco Public IP Telephony Live video Streaming : If Required Band width = Frame Size * Frames/Second * Cameras

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Introduction-to-Voice_over_Internet_Protocol.ppt

  • 1. 1 Β© 2005 Cisco Systems, Inc. All rights reserved. Cisco Public IP Telephony IP Internetwork β€’ IP is connectionless. β€’ IP provides multiple paths from source to destination.
  • 2. 2 Β© 2005 Cisco Systems, Inc. All rights reserved. Cisco Public IP Telephony Major VoIP Protocols
  • 3. 3 Β© 2005 Cisco Systems, Inc. All rights reserved. Cisco Public IP Telephony VoIP Protocols and the OSI Model
  • 4. 4 Β© 2005 Cisco Systems, Inc. All rights reserved. Cisco Public IP Telephony Bandwidth Implications vs Codec
  • 5. 5 Β© 2005 Cisco Systems, Inc. All rights reserved. Cisco Public IP Telephony Sending Snap Shots Required bandwidth is proportional to the bit rate. Faster bit rate requires more Bandwidth.
  • 6. 6 Β© 2005 Cisco Systems, Inc. All rights reserved. Cisco Public IP Telephony Live video Streaming : If Required Band width = Frame Size * Frames/Second * Cameras