OpenCloud, a start-up provider of real-time application server software for convergent telecommunications services, has received an investment of £4 million from Nokia Siemens Networks and a further £1 million investment from other parties.

The firm has also secured an OEM agreement that will see its Rhino Telecom Application Server and Service Interaction Server be integrated into NSN's charge@once suite.

"We are continuing with our quest to open up the telecoms service layer, to provide compelling technology to the expanding community of telecoms software developers and deliver better value and increased innovation" said Jeff Gordon, CEO of OpenCloud.

"Naturally, we are clearly delighted to be making this announcement - in particular receiving an investment from NSN is a strong endorsement of OpenCloud's products and strategy, and it will help to support our continuing rapid growth. This move elevates our relationship with NSN to that of a truly strategic partner and will enable us to address the considerable Service Layer and Converged Charging opportunities in the market,” he added.

Rick Centeno, Head of Charging, Billing and Care, Nokia Siemens Networks, continued, “This investment will allow NSN to address the considerable Converged Charging and Service Delivery Platform opportunities in the market. We will be able to better provide our customers with an integrated offering to fit their end-to-end needs around service development, delivery, control and charging."

Headquartered in Cambridge, UK, OpenCloud has offices in New Zealand, Spain, USA, Singapore and Japan.