Linksys LVS 9000 - Manual (Page 26)

© 2006 Cisco Systems, Inc. All Rights Reserved. Linksys/Cisco Proprietary – All Content Subject To Change – Not a Warranty
26
Preparing Your Network for LVS 9000
• Ethernet Bandwidth Budget for Off-Net VoIP Calling
568 kbps 426 kbps 284 kbps 142 kbps 71 kbps G.726-24
440 kbps 330 kbps 220 kbps 110 kbps 55 kbps G.729
504 kbps 378 kbps 252 kbps 126 kbps 63 kbps G.726-16
632 kbps 474 kbps 316 kbps 158 kbps 79 kbps G.726-32
696 kbps 522 kbps 348 kbps 174 kbps 87 kbps G.726-40
880 kbps 660 kbps 440 Mbps 220 kbps 110 kbps G.711
8 Calls 6 Calls 4 Calls 2 Calls Approximate Bandwidth Budget
for Each Side of Conversation Codec
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