Thanks, Hunter. Good morning and thank you for joining us. Vonage delivered another quarter of strong business growth. Total business revenues were $154 million and comprised 59% of total revenues. Of this business, service revenues grew 23%. Consolidated revenues were $262 million and adjusted OIBDA was $50 million and adjusted OIBDA minus CapEx was $45 million. I will start my comments this morning by reiterating our strategic vision. Simply stated, we believe that by creating fully programmable communications solutions, we can drive better business outcomes for our customers. We are executing this strategy via acquisitions of technology rich cloud communications companies, including Nexmo, TokBox and now NewVoiceMedia, coupled with fast follow-on organic development. As a result of our efforts, we believe we've created the world's most differentiated cloud communications company that can provide solutions for all other companies communications needs and addresses the entirety of the cloud communications TAM. And in doing so, we're helping define programmable communications as a new communications category. Central to our strategy, we are creating a single micro services architected software platform or OneVonage. The OneVonage platform combines Vonage business cloud, our proprietary UCaaS platform, with the technology stacks of Nexmo and TokBox. And in the future OneVonage will also include NewVoiceMedia's contact center functionality. With OneVonage, we will provide integrated communications solutions, all fully programmable that range from established use case applications like contact center, hosted PBX, collaboration and team messaging, all the way through programmable communication APIs. From the OneVonage platform, our solutions will seamlessly integrate customer communications with a company's employee communications and workflow tools. The need for an integrated communications experience is critical as businesses undergo digital transformation. That is deep integration between business applications and enterprise communication tools is necessary to improve the customers experience and therefore deliver those better business outcomes. Vonage is building these integrated solutions and our solution set is the essence of programmable communications. In fact, we believe programmable communications are rooted in every businesses need to improve how they communicate with their customers. Each interaction a customer has with the business shapes that customers experience. Businesses are under intense pressure to improve customer engagement. And customers want to interact with brands through their preferred mode of communication. And they want those interactions to be integrated, whether it's voice, SMS messaging, through a brands mobile app, over the web, through an IVR or even through the major chat apps like Facebook Messenger, WeChat and WhatsApp. So this need for an integrated communications experience is the reason why acquiring NewVoiceMedia is so important. NewVoiceMedia is a cloud-based contact center solution that's distinguished by its CRM focused go-to-market approach. NewVoiceMedia is integrated with leading CRMs with a particularly deep integration with sales force. By integrating tightly with CRMs, NewVoiceMedia delivers better omni-channel interactions and robust analytics and data capture. We plan to integrate NewVoiceMedia's cloud contact center solutions with our Vonage business cloud platform as well as to capitalize on the improved functionality that CPaaS naturally brings to contact center solutions. Now with NewVoiceMedia, Vonage is the only cloud communications company that can combine deep CRM integrations with the full range of programmable communications used by a business for its employees and its customers. This will be a powerful combination because it creates an integrated customer experience across multiple communication channels. It can increase sales conversion on the front-end and improve customer satisfaction on the back-end. So with that as a strategic review, as a backdrop, I'll highlight the progress we're making in two critical areas. The first is the development of our OneVonage technology platform. And the second is our sales and marketing execution, which continues to improve. Regarding the first initiative, we're making strong progress developing the OneVonage platform. Our development efforts are focused on the continued integration of Nexmo, TokBox, and Vonage business cloud, with NewVoiceMedia to come, while concurrently improving their individual functionality. Let me highlight two important development efforts. First, we're integrating Nexmo functionality more tightly with Vonage business cloud. We're using our messages API to significantly improve Vonage business cloud's business inbox functionality. With business inbox, phone numbers are programmable and as such developers can use our APIs to program innovative solutions for that phone number. So, for example, with business inbox, employees will soon only need a single phone number and customers can contact an employee in the communication mode of their choice, in the customer's choice. This means that customers can call that number, text that number, fax that number or even reach that number from within a social media platform. By making phone numbers programmable, we improved customer engagement and drive better business outcomes. Second, we're converting Vonage business cloud video conferencing solution from Amazon Chime to TokBox's video API. This will provide an improved video experience and also enhance gross margins by leveraging our own technology. Our development efforts are being recognized for technology leadership by top industry analysts. We recently earned Frost & Sullivan's 2018 Competitive Strategy Innovation and Leadership Award for our ability to deliver UCaaS, CPaaS and CCaaS via our programmable communication platform. And our Vonage business cloud platform, won gold at the Golden Bridge Awards for most innovative product. The second major initiative relates to improvements in our sales and marketing execution. During the quarter, we continued investing in sales, marketing and indirect channel initiatives. And as a result, we're seeing good increases in sales productivity across our routes to market as well as solid progress selling up-market businesses. For example, within the enterprise category, we closed on four new seven-figure deals with total contract values, again greater than a $1 million. All four of those deals included advanced contact center. This is significant because contact center drives higher MRR and therefore greater revenues. In these four enterprise deals, contact center increased contract value by one-third. And it also highlights the contact center and UC are increasingly being purchased together, further validating our acquisition of NewVoiceMedia. During the quarter, we closed 18 deals with greater than $10,000 in MRR. And within the smaller business segment, we increased bookings by 65% from customers with greater than $1,000 MRR. And across all routes to market, bookings for advanced contact center increased fivefold in the third quarter over the year-ago quarter. Within indirect channels, our momentum is very strong. Bookings from the master agent channel increased more than 40%. Our pipeline is at record levels. Even more significant, average deal size more than triple. Also more than 100 partners have joined Nexmo Connect. These include Microsoft, Facebook, MuleSoft, Built.io, and Aspect Software. These partners are creating compelling solutions for their enterprise customers. As one example, UniTalk, a cloud solutions company that helps enterprises embed programmable communications into their apps is leveraging our SMS, voice and video APIs to provide real-time conversational business solutions for their clients. The acquisition of NewVoiceMedia also provides opportunity to accelerate revenue growth. We will leverage our combined distribution channels and combined customers to pursue cross-sell opportunities. We will also work closely with NewVoiceMedia to expand its already highly strategic go-to-market relationship with salesforce.com. Our Land and Expand sales model continues to drive results. Revenues from new CPaaS customers added in the year-ago quarter, increased eightfold this quarter. Also our developer community continues to grow quickly and it remains a critical part of our go-to-market strategy. We ended the quarter with 696,000 developers registered on our platform. And finally we bolstered our leadership team by adding three highly accomplished executives. Rishi Dave, joined us as Chief Marketing Officer. And Rishi will drive Vonage's repositioning as a cloud communications platform company. Sanjay Macwan joined as SVP of Enterprise Engineering and Networks, and he is focusing on the continued development of our enterprise scale software and our communications infrastructure. And then Dennis Fois, who is joined us on the call today, CEO of NewVoiceMedia. He will stay as will his entire team, leading our advanced contact center efforts. And regarding Dennis and his team, we're delighted to welcome all 430 NewVoiceMedia team members to Vonage. Their team includes a global enterprise sales force with significant understanding of CRM as well as a product and engineering team over 100 strong. We are delighted with their joining us. To summarize, these are very exciting times at Vonage. We've made substantial progress and I’m proud of our team's performance. We have the right technologies, products, partners and people to execute on our strategy. We’ve created a new focus around programmable communications. And in fact, we believe that the fragmented view of the communications market in which companies are categorized as UCaaS, CCaaS or CPaaS players, leads to alphabet soup lines of demarcation that are out of touch with the future of communications. And this is why we consider our cloud communications offerings as an aggregate product line versus breaking them into separate as a service businesses. Said differently, Vonage is building solutions that address myriad use cases for the entire communications market, TAM. We address the broad categories of buyers each present with different needs, whether it's the IT buyer seeking to modernize infrastructure and moved to cloud-based solutions, or the software developer seeking the program communications into existing solutions to make those solutions better, or the business buyer seeking to improve engagement with customers and to improve satisfaction for both customers and employees. With our increasingly integrated solutions, Vonage is addressing all of these buying categories, and we believe our approach is the future of communications. I'll now turn the call over to Dave for a review of our financial results.