Shearman & Sterling is advising Francisco Partners LLP in the proposed $560 million acquisition by its portfolio company, Mitel Networks, of Mavenir Systems.

Mavenir Systems (NYSE:MVNR) provides software-based mobile networking solutions that enable service providers to deliver next generation services over 4G LTE networks.

Powering more than 2 billion connections every day, Mitel (Nasdaq:MITL) (TSX:MNW) helps businesses connect, collaborate and take care of their customers. That includes more than 33 million cloud connections daily, making Mitel the world's fastest growing provider of cloud communications.

Francisco Partners is a leading private equity firm focused exclusively on investments in technology and technology-enabled services businesses.