The transformation of voice over the years

The last two decades have already been a taxing period in the life of a corporate voice/IT telco manager – the bankruptcy of legacy PBX vendors, the end of life of ISDN, the need to consolidate and cut costs and consider new “un-traditional” access methods. Then throw into the mix the industrialization of SIP and the transformation of the overall corporate voice network strategy to be seamlessly integrated with UC and collaboration solutions. It has not been an easy ride.

And just when the disruption seemed under control, yet another industry “transformation” is already in play and brings a whole new set of challenges to the corporate voice/IT manager – the software-defined network era.

Digital business driving digital transformation

Digital eCommerce has become the de facto in today’s B2B and B2C engagement, and innovation in the customer digital experience drives perceived value, which in turn generates more sales. This digital transformation journey may not look exactly the same for each business, but the collaboration between the various internal lines of business (LoBs) and IT must be tighter than ever before to ensure new value chains and business opportunities can be incubated and deployed. This is where the value of software-defined networks truly comes into play – the ability to transform, deploy and adapt more quickly and easily to succeed in this digital business era.

The value of the software-defined wide area network (SD-WAN)

In a traditional network environment, the deployment, availability and behavior of a new business application would be completely dependent and subsequently limited by the underlying WAN network design and policies. Thanks to SD-WAN, IT managers can move away from the inflexibility and rigidness of an underlying physical infrastructure to being able to implement rapid changes, deploy new sites, simplify overall management and drive down costs.

The benefit? Applications now define the network. IT managers can now centrally “orchestrate” application management across the network to assure digital business.

But what about my business-critical voice services over SD-WAN?

How do I maintain a QoS policy for my real-time traffic? How do I map media flows over the SD-WAN topology? How will my voice packets be encapsulated? Will my voice codec be affected? What will the bandwidth considerations be? What about Internet quality vs. MPLS? What new uCPE technologies will allow me to better manage my voice prioritization?

As a leader in software-defined networks since launching our initial offering in 2016, Orange provides you with a global voice solution (Business Talk), which is fully available with SD-WAN and fully digital, enabling you to adapt quickly to your ever-evolving business needs. To discuss further, please contact

David Chatt
David Chatt

With 30 years in international telecommunications, of which 20 years have been dedicated to voice, David has experienced the full evolution of enterprise voice services. From managing legacy Nortel DMS switched telephony networks, to overseeing the birth of convergence with the product launch of VoFR and then VoIP, to now to directing the International Go To Market for Orange Digital SIP Voice services, he has touched all sectors and roles of delivery, support and development.

Even today, he remains passionate about the continued innovation around voice – leveraging API’s and BOT’s to enhance the digital ordering tool experience, AI for big data analytics on voice and also the application of omni-channel voice into enhancing B2B and B2C digital eCommerce.