Linphone is an open-source SDK for building secure VoIP apps with voice/video calling, instant messaging, and SIP compatibility.
Yes, for businesses needing encryption, SIP integration, and customisation. WhatsApp lacks enterprise features and self-hosting options.
No, Linphone requires a SIP account (like Linphone.org, VoIP.ms, or your own SIP server) for call functionality.
It uses ZRTP, TLS, and SRTP encryption—more secure than proprietary apps like Zoom or Skype.
Yes, white-label Linphone SDKs allow custom branding, UI changes, and feature additions.
Android, iOS, Windows, Linux, macOS, and web browsers (via WebRTC).
Costs vary (₹ 2- 10 Lakhs) based on features like AI call enhancements, CRM integrations, and scalability needs.
Yes, but requires custom development due to legal restrictions in some regions.
Yes, APIs allow integration with Salesforce, Zoho, and custom CRMs for click-to-call and call logging.
Yes, when paired with PBX systems like FusionPBX for call routing, IVR, and analytics.