http://www.ft.com/cm...00144feabdc0.html
T&T noted that numerous press reports have suggested that Google “is systematically blocking telephone calls from consumers that use Google Voice to call telephone numbers in certain rural areas.”

By blocking these calls, AT&T claimed that Google is able to reduce its access expenses while, “other providers, including those with which Google Voice competes, are banned from call blocking” by a 2007 FCC ruling.
so you want me not to block your traffic but you insist on blocking my customers traffic, yeah thatl work