<P> Google Voice's partners that provide phone numbers, call - termination, call - routing, and other infrastructure include: </P> <Ul> <Li> Level 3 Communications </Li> <Li> Global Crossing </Li> <Li> Broadvox Communications </Li> <Li> Bandwidth.com </Li> <Li> Pac - West Telecom </Li> <Li> IBasis for international outbound call routing </Li> <Li> Neustar </Li> </Ul> <Li> Level 3 Communications </Li> <Li> Pac - West Telecom </Li>

What does the google subscriber is not available mean