TORONTO – Calling 2011 a year of “challenges and changes”, Telehop recorded a net loss of $1.33 million for the 12 month period. The long distance provider saw revenue fall 12% to $10.4 million in 2011, from $11.8 million in 2010, which it said was driven by declines in casual calling and wholesale services, which were partially offset by growth(in its subscription and prepaid calling cards products. Casual calling revenue was lower year over year due to the shift in customer pattern from using traditional landline services to using wireless services and online long distance competitors such as Skype. EBITDA dropped...