Acme Packet (Nasdaq: APKT) reported earnings on Feb. 2. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended Dec. 31 (Q4), Acme Packet missed estimates on revenues and missed expectations on earnings per share.

Compared to the prior-year quarter, revenue increased significantly and GAAP earnings per share shrank significantly.

Margins dropped across the board.

Revenue details
Acme Packet reported revenue of $83.0 million. The 16 analysts polled by S&P Capital IQ expected a top line of $84.8 million. Sales were 18% higher than the prior-year quarter's $70.2 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions.

EPS details
Non-GAAP EPS came in at $0.26. The 17 earnings estimates compiled by S&P Capital IQ anticipated $0.27 per share on the same basis. GAAP EPS of $0.12 for Q4 were 40% lower than the prior-year quarter's $0.20 per share.

Source: S&P Capital IQ. Quarterly periods. Figures may be non-GAAP to maintain comparability with estimates.

Margin details
For the quarter, gross margin was 81.6%, 230 basis points worse than the prior-year quarter. Operating margin was 21.1%, 1,070 basis points worse than the prior-year quarter. Net margin was 10.5%, 1,020 basis points worse than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $81.6 million. On the bottom line, the average EPS estimate is $0.26.

Next year's average estimate for revenue is $371.9 million. The average EPS estimate is $1.26.

Investor sentiment
The stock has a three-star rating (out of five) at Motley Fool CAPS, with 525 members rating the stock outperform, and 71 members rating it underperform. Among 176 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 163 give Acme Packet a green thumbs-up, and 13 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Acme Packet is outperform, with an average price target of $47.13.

Internet software and services are being consumed in radically different ways, on increasingly mobile devices. Does Acme Packet fit in anymore? Check out the company that Motley Fool analysts expect to lead the pack in "The Next Trillion-Dollar Revolution." Click here for instant access to this free report.

Seth Jayson had no position in any company mentioned here at the time of publication. You can view his stock holdings here. He is co-advisor of Motley Fool Hidden Gems, which provides new small-cap ideas every month, backed by a real-money portfolio. Motley Fool newsletter services have recommended buying shares of Acme Packet. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.