Revenue during the quarter surged 196.02 percent to $8.04 million from $2.72 million in the previous year period. Gross margin for the quarter expanded 709 basis points over the previous year period to 65.21 percent. Operating margin for the quarter stood at negative 9.68 percent as compared to a negative 80 percent for the previous year period.

Operating loss for the quarter was $0.78 million, compared with an operating loss of $2.17 million in the previous year period.

However, the adjusted operating profit for the quarter stood at $0.38 million compared to operating loss of $1.65 million in prior year period.

"The fourth quarter marked a strong end to a great year for the Company, highlighted by our ability to reach the high-end of our guidance range," commented Mr. Yaron Ravkaie, RADCOM's chief executive officer. "In 2016, we made great progress with our top-tier customer deployments, continued our engagement with other leading global carriers, and focused on preparing the company for future growth by boosting our senior management team and ramping up our engineering capabilities. We believe we have laid a solid foundation during 2016 to continue our momentum, as evidenced by our initial 2017 revenue guidance range of $36-$39 million."