Nortel reported Q1 2007 revenues of $2.48 billion, up 4% compared to $2.39 billion for the first quarter of 2006 and $3.32 billion for the fourth quarter of 2006. Excluding the impact of its UMTS Access divestiture, revenues increased by 12 percent year over year. There was a net loss of $103 million, or $0.23 per common share on a diluted basis. The gross margin for the quarter was 40.4 percent.Some highlights:Carrier Networks (CN) revenues in Q1 were $1.01 billion, a decrease of 6 percent compared with the year-ago quarter and a decrease of...