This is the first round that either Cisco or Ericsson has participated in with the company (The company had previously raised a $25M Series C in September of 2015).
This announcement coincides with the launch of PubNub BLOCKS:
“The PubNub Data Stream Network powers low-latency messaging on every device, at massive scale. PubNub BLOCKS makes the network programmable, executing your application logic on data as it passes over the network, removing the need to deploy and scale app servers.”