We are looking for an experienced freelancer/team to develop or customize a complete calling software similar to Ozonetel, including CEM (Customer Experience Management) features. Requirements: -Cloud-based calling/dialer system (Inbound & Outbound) -Call recording & monitoring -IVR configuration -Agent login & role management -Real-time dashboard & analytics -CRM/CEM integration (Customer journey tracking, call disposition, feedback) -API integration support -Scalable & secure architecture Nice to Have: -Prior experience with Ozonetel, Exotel, Knowlarity, or similar platforms -Multi-tenant support -WhatsApp/SMS/Email integration -AI-based call analytics (optional) Deliverables: -Fully functional calling solution -Admin & agent panels -Documentation & deployment support Please share: -Relevant past projects -Tech stack you propose -Estimated timeline & cost Interested freelancers can comment or DM with details.