MONTREAL – Videotron added 56,200 new telephony customers, 28,800 high speed Internet customers and 33,000 illico digital cable customers in the second quarter of 2006, ended June 30th. However, it only netted a gain of 1,200 cable subscribers when the new digital subs are added to its basic sub losses (a turnaround from Q2 2005 where the company tallied a net loss of 11,900 subs). Subscriber churn is always higher in the second quarter for cable as students disconnect and go home for the summer. At the end of June, Videotron had over 283,000 voice over IP telephony customers, meaning...