CPaaS — Programmable Communication APIs
IVR Blast / Outbound Dialing (OBD)
NobleStack's IVR Blast and Outbound Dialing platform lets you broadcast interactive voice calls to thousands of customers in a single click. From simple announcements to multi-level IVR surveys and call-patch campaigns, it puts high-volume voice engagement and detailed reporting in the hands of your marketing and support teams.
Simple IVR OBDDTMF selectionCall-patch to agentMulti-level branching
Voice broadcasting that gets heard
Email and SMS can go unread, but a well-timed voice call cuts through. Our OBD engine delivers pre-recorded or dynamic voice messages at scale, captures customer responses through keypad input, and connects interested callers directly to your agents — turning a broadcast into a conversation.
Campaign types and capabilities
- Simple IVR OBD for announcements, alerts, and reminders
- OBD with DTMF selection to capture customer choices and feedback
- Call-patch OBD that connects engaged customers straight to an agent
- Fully customised IVR flows with multi-level menus and branching
- Multi-campaign management with scheduling, throttling, and retries
- Text-to-speech and personalised, data-driven voice messages
- Real-time dashboards with answer rates, response, and delivery reporting
- Do-not-disturb and time-window controls for responsible outreach
Business benefits
- Reach large audiences instantly without expanding your calling team
- Higher engagement than text channels for time-sensitive messages
- Actionable insights from DTMF responses and campaign analytics
- Lower cost per contact compared with manual outbound calling
Where it delivers value
- Payment and EMI reminders for banks, NBFCs, and lenders
- Political, civic, and community awareness campaigns
- Lead generation and re-engagement drives with instant call-patch
- Feedback, CSAT, and market-research surveys via voice