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Bandwidth Required For Each Voice Call?

The bandwidth used varies depending on the compression method chosen. IP Office supports a wide range of compression standards, including the most popular G.723.1 and G.729a. These will occupy approximately 10K and 13K of bandwidth respectively.

Use the following chart to choose the most appropriate compression algorithm for your available bandwidth.

Audio Codec

RTP Voice Data Payload

Packets per Second

LAN (bps)

% Overhead LAN

WAN (bps)

% Overhead WAN

Algorithmic Delay (milli-seconds)

G.723.1 (6.3K)

24 Bytes

33.33

20,800

225%

9,867

54%

80

G.729a

20 Bytes

50

29,600

270%

13,200

65%

40

G.711 (64K)

160 Bytes

50

85,600

34%

69,200

8%

20

 

© 2010 AVAYA
15-601041 Issue 20.f.-
18:14, 25 February 2010
(bandwidthd.htm)

Performance figures, data and operation quoted in this document are typical and must be specifically confirmed in writing by Avaya before they become applicable to any particular order or contract. The company reserves the right to make alterations or amendments at its own discretion. The publication of information in this document does not imply freedom from patent or any other protective rights of Avaya or others.

All trademarks identified by (R) or TM are registered trademarks or trademarks respectively of Avaya Inc. All other trademarks are the property of their respective owners.

Last Modified: 06/06/2009