West’s on-premise IVR solutions are powered by our own Holly Voice Platform, which was developed for the most demanding applications. Its modern design builds on open standards, supports the latest speech technology and has been proven for more than a decade in deployments around the world.

The Holly Voice Platform delivers carrier-grade performance, with exceptional scalability, reliability and application multitenancy. It is based on a distributed architecture that can handle more than 100,000 simultaneous calls, efficiently processing up to 750 simultaneous calls on a single midrange server.

The Holly Voice Platform offers the following:

• Interfaces to VoIP telephony directly using unique SIP and RTP stacks that can West can modify to address uncommon telephony environments
• Interfaces to legacy TDM telephony environments through a suitable VoIP gateway
• Supports CCXML, which enables sophisticated call control
• Supports Intelligent Network (IN) protocols compatible with leading vendors
• Supports early media and detection of fax carriers and TDD tones.

The Holly Voice Platform has been independently certified compliant with the VoiceXML 2.1, VoiceXML 2.0 and SRGS 1.0 standards. It includes enhancements to VoiceXML that address the needs of today’s voice applications, including the following:

• Log and recording suppression to support PCI-DSS and HIPAA compliance
• Whisper and take-back transfer types
• DTMF tone generation
• Access to SIP headers

Enterprises, carriers and hosting providers around the globe rely on West’s Holly Voice Platform for their mission-critical voice applications. The Holly Voice Platform runs on commonly available hardware and is available for Red Hat Linux, CentOS Linux and Solaris. It is compatible with databases from Oracle and PostgreSQL.