estimating VoIP data traffic size from VoIP signaling traffic size ?

[Joe Shen <joe_hznm () yahoo com sg>]

Hi,


is there any statistics on aggregated VoIP signaling
bandwidth and aggregated VoIP data bandwidth? eg. if
we monitored there is 2Mbps(average) traffic on VoIP
signaling protocol ports ( including SIP, H.323,
MGCP), how could we estimate average VoIP data
bandwidth? 

Joe




                
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