Preparing Your Network for LVS 9000
•Ethernet Bandwidth Budget for Off-Net VoIP Calling
Codec | Approximate Bandwidth Budget | 2 Calls | 4 Calls | 6 Calls | 8 Calls |
| for Each Side of Conversation |
|
|
|
|
G.711 | 110 kbps | 220 kbps | 440 Mbps | 660 kbps | 880 kbps |
|
|
|
|
|
|
87 kbps | 174 kbps | 348 kbps | 522 kbps | 696 kbps | |
|
|
|
|
|
|
79 kbps | 158 kbps | 316 kbps | 474 kbps | 632 kbps | |
|
|
|
|
|
|
71 kbps | 142 kbps | 284 kbps | 426 kbps | 568 kbps | |
|
|
|
|
|
|
63 kbps | 126 kbps | 252 kbps | 378 kbps | 504 kbps | |
|
|
|
|
|
|
G.729 | 55 kbps | 110 kbps | 220 kbps | 330 kbps | 440 kbps |
Assumptions:
-Bandwidth Calculated with No Silence Suppression
-Two 20 Millisecond Frame Samples
-Propagated over an Ethernet WAN Link.
-Note: The use of Silence Suppression can reduce the average bandwidth budget by over 30%
Reference Web Sites:
VoIP Line Bandwidth Calculator: http://www.erlang.com/calculator/lipb/
VoIP Bandwidth Calculator: http://www.packetizer.com/voip/diagnostics/bandcalc.html
|
|
|
© 2006 Cisco Systems, Inc. All Rights Reserved. | Linksys/Cisco Proprietary – All Content Subject To Change – Not a Warranty | 26 |
| ||
|
|
|
