4G networks require multi-billion dollar capital investments ... and that raises two big questions. First, can anyone other than Verizon and AT&T play that game? And second, as 4G drains off most of the dollars, what are the implications for carrier investments (and innovation) in classic enterprise wireline services? Listen in as CCMI President George David puts these questions in front of TechCaliber Senior Consultant David Rohde – you'll hear some surprising answers!