Mobile VoIP Market Research Report – Segmentation by Platform/Device Type (Smartphones, Tablets, Laptops, Others (Wearables, VoIP-enabled devices)); by Service Type (Video Calling, Voice Calling, Instant Messaging, Multi-functional Communication Apps (e.g., WhatsApp, Zoom, Skype)); by End User (Individual/Consumer, Enterprises/Corporate, Telecom Service Providers); Region – Forecast (2025 – 2030)