Sonus Networks, Inc. provided earnings guidance for the fourth quarter ended December 31, 2014, first quarter and full year of 2015. For the fourth quarter, revenue is expected to be approximately $77 million compared to guidance of $76 million to $82 million. Non-GAAP EPS is expected to be in line with guidance at $0.03 ($0.15 on a pro-forma, split-adjusted basis).

The company expects revenue and non-GAAP EPS estimates for the first quarter of 2015 of approximately $74 million and $0.01 (approximately $0.03 on a pro-forma, split-adjusted basis which reflects anticipated investments in the SDN business).

Further, the company expects to deliver at least 10% revenue growth and 10% operating income margins for full year 2015.