How much of the congestion pie should my Vonage phone get?

[RabX2]

I yet to get my box of awesome but its in the states. So I'm just getting prepared for set up. How much should I allow for my internet phone with out the quality suffering? My wife makes calls to Japan several times everyday.

[Buds]

Depending on what your connection stats are you may not need to amend anything. 

 

Best way to determine though it accurately though is to have only the phone using the network when a call is active. Then check the usage in the network monitor and set accordingly