Sandvine and Openwave
While their collaboration started in 2013, there is not much news in between, as far as I can tell.
One thing to note is the investment firm who control Openwave, Marlin Equity.
On this list, there are a couple other businesses that struck my eye such as Coriant and Canada's OnX
https://www.marlinequity.com/portfolio.html
Something is brewing.
Add in PeerApp's collaboration with Procera (if that still exists?)...
Chess pieces are moving.