I will build a softphone application, linphone based app, esim application and volp app

Looking for a powerful, fully-functional VoIP or eSIM solution? Youre in the right place!

I specialize in building secure, reliable, and fully-featured applications using modern technologies. Whether you need a softphone, Linphone-based app, eSIM mobile app, or a custom eSIM website, I can deliver a high-quality product tailored to your needs.

What I Can Deliver:

Softphone Apps SIP-enabled, cross-platform VoIP apps

Linphone Apps Custom UI, VoIP features, push notifications

eSIM Mobile Apps iOS/Android apps with activation, QR scan, and management

eSIM Websites Plan browsing, user accounts, API integration

Full VoIP Platforms White-label, voicemail, call recording, admin tools

Key Features:

SIP, RTP/RTCP, SRTP

Voice/video calls, SMS (if supported)

eSIM provisioning & QR code support

Push notifications

Admin dashboard

Cross-platform (Android, iOS, Windows, macOS)

Tech Stack:

Linphone, Asterisk, Kamailio

React, Flutter, Kotlin, Swift

Node.js, PHP, Python

Stripe, PayPal, REST APIs

Why Me?

5+ years VoIP/telecom experience

Reliable, fast delivery

NDA & white-label options

Ongoing support

Lets bring your idea to lifecontact me today!