Looks Like This Service Is On Hold

I will develop softphone app, linphone app, esim app, esim website, voip app

gimioluwa

United Kingdom

I speak English

programming

I build AI tools, scraping bots, Chrome extensions, and full stack apps using Python, Java, C++, C#, MERN, React, Flutter, HTML, CSS, and JavaScript. I create Android and iOS apps, work with MySQL, Mo...
Read More
About this Gig

HELLO GREAT BUYER


Need a carrier-grade communication solution? Whether you are launching a global eSIM marketplace, building a custom Linphone softphone, or struggling with SIP NAT audio bugs, you need a developer who understands the landscape.


What I Do

I provide end-to-end development and expert troubleshooting for:

  • Softphone & Linphone Apps: Custom UI/UX, push notifications (FCM/APNs), and SIP account integration for iOS, Android, and Desktop.
  • eSIM Ecosystems: Full SM-DP+ integration, eSIM websites with automated payment, and mobile apps for remote SIM provisioning.
  • AI-VoIP Integration: Real-time AI transcription, sentiment analysis, and smart IVR agents.
  • WebRTC Platforms: Browser-based calling and CRM-embedded communication tools.
  • VoIP Bug Fixing: Instant resolution for One-Way Audio, NAT Traversal, SIP ALG issues, and Jitter/Latency optimization.


Technical Excellence

  • Protocols: SIP, WebRTC, RTP/RTCP, SRTP, TLS.
  • eSIM Standards: GSMA-compliant SGP.22/SGP.32, Remote SIM Provisioning.
  • Infrastructure: FreeSWITCH, Asterisk, Kamailio, OpenSIPS.
  • Development: Flutter, React Native, C++, Python (for backends).


I build scalable, secure 5G-ready systems. Lets build yours today.

Read More
develop softphone app, linphone app, esim app, esim website, voip app
Full Screen
develop softphone app, linphone app, esim app, esim website, voip app

Related tags