Sonus Networks (Nasdaq: SONS) reported earnings on April 30. Here are the numbers you need to know.

The 10-second takeaway
 For the quarter ended March 29 (Q1), Sonus Networks beat expectations on revenues and exceeded expectations on earnings per share.

Compared to the prior-year quarter, revenue dropped slightly. Non-GAAP loss per share didn't move. GAAP loss per share increased.

Margins shrank across the board.

Revenue details
 Sonus Networks reported revenue of $63.3 million. The five analysts polled by S&P Capital IQ wanted to see revenue of $61.2 million on the same basis. GAAP reported sales were the same as the prior-year quarter's.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 EPS came in at -$0.02. The five earnings estimates compiled by S&P Capital IQ forecast -$0.03 per share. Non-GAAP EPS of -$0.02 were the same as the prior-year quarter. GAAP EPS were -$0.05 for Q1 compared to -$0.02 per share for the prior-year quarter.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Margin details
 For the quarter, gross margin was 59.7%, 520 basis points worse than the prior-year quarter. Operating margin was -18.2%, 860 basis points worse than the prior-year quarter. Net margin was -21.7%, much worse than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
 Next quarter's average estimate for revenue is $64.5 million. On the bottom line, the average EPS estimate is $0.00.

Next year's average estimate for revenue is $268.8 million. The average EPS estimate is $0.01.

Investor sentiment
 The stock has a three-star rating (out of five) at Motley Fool CAPS, with 366 members out of 392 rating the stock outperform, and 26 members rating it underperform. Among 60 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 53 give Sonus Networks a green thumbs-up, and seven give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Sonus Networks is outperform, with an average price target of $3.25.

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