As VOIP becomes more common, I've found that some people consider it rude to use these free services. Things have shifted from a VOIP setup not being a proper

As VOIP becomes more common, I've found that some people consider it rude to use these free services. Things have shifted from a VOIP setup not being a proper phone because it can't connect with these numbers, to these numbers not being proper conferencing because VOIP users can't call them.