You can find lots by googling but none can give realtime stats as it depends
on network. Packet drop, retransmit, codec type will make lot of vibrations
[mailto:email@example.com] On Behalf Of Dan Journo
Sent: Thursday, March 03, 2011 4:15 PM
Does anyone have a good VoIP Bandwidth Calculator?
Kesher Communications (UK)
Business Phone Systems http://www.keshercommunications.com/ | Hosted PBX
I'm using iftop command in Linux and it pretty good though.