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BroadSoft Unveils RESTful APIs for Carrier-Grade Voice Application Mashups


Xtended Services Interface APIs enable developers to weave VoIP into Web 2.0 applications

GAITHERSBURG, MD. - BroadSoft, Inc., the leading provider of VoIP application software, today announced the availability of its Xtended Services Interface (Xsi), new RESTful application programming interfaces (APIs) that will allow Web developers to integrate BroadSoft’s carrier-grade voice applications with unified communications solutions and Web-based business and consumer applications, such as and Facebook.

The Xsi is the latest component to be announced as part of the BroadSoft® Xtended Program, BroadSoft’s initiative for the creation of mashups that integrate BroadSoft’s BroadWorks® VoIP platform with other applications that are already being used by millions. The RESTful-based Xsi allows subscriber and call resources to be accessed and used via HTTP and simple XML. This approach requires less client-side software to be written than other approaches and is becoming the overwhelming choice for developers to create Web applications.

“With the Xsi, it is easier than ever for developers to add BroadWorks calling features to their favorite applications,” said Scott Hoffpauir, CTO for BroadSoft. “By making the Xsi available, we’re speaking the language of most software developers. We expect the introduction of the Xsi to boost innovation and development of new apps exponentially.”

Other interfaces supported under the BroadSoft Xtended Developers Program ( include Open Client Interface-Provisioning (OCI-P), Client Application Protocol (CAP), VoiceXML and ccXML. Access to the Xtended Developers Program, the Xsi and the Xtended Marketplace is free.

New voice mashups are available to BroadSoft’s nearly 300 service providers in 59 countries and their millions of enterprise, residential and mobile end-users through the BroadSoft Xtended Marketplace ( The first of its kind for the telecom industry, the Xtended Marketplace features applications for download and purchase, including mashups for voicemail-to-text service GotVoice, Web conferencing service WebEx, customer management solution ACT! by Sage and BlackBerry smartphones. Placing these applications on BroadSoft’s Xtended Marketplace provides immediate revenue opportunities for developers.

Major telecommunications companies, including Sprint, Telefonica de Espana, Verizon and Cox Communications, use BroadWorks to deliver advanced voice and video-calling services to enterprises and consumers. BroadSoft Xtended enables service providers to extend their voice services into the social networking and business applications that are used daily by their customers.


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