US-based mobile device software company Mavenir Systems gains fourth round of funding.
Mavenir raised $13.6m from 10 investors in its series D round, according to news provider Citybizlist having seen its regulatory filing.
Mavenir previously raised $51m, including $17.5m in its third round of funding from an undisclosed strategic investor as well as venture capital firms Austin Ventures, North Bridge Venture Partners and Alloy Ventures.