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I will develop professional linphone voip softphone app with esim and twilio features
Portec
About this gig
What I Offer:
Custom Linphone / Softphone App Development
- Android, iOS, Web, and Desktop
- White-label & Rebranding with your logo and colors
- SIP, WebRTC, and Twilio integration
VoIP & eSIM Features
- eSIM activation and management system
- DID numbers, caller ID, and SIP trunk setup
- Auto-dialer, IVR, and PBX configuration
AI & Automation Add-Ons
- AI Voice Agents & Auto Response
- Smart Call Routing using AI
- Voice Recognition, Text-to-Speech, and Chat Integration
Advanced Integrations
- Twilio, Asterisk, FreePBX, 3CX, FusionPBX
- API, CRM, and Web Portal Integration
- Bulk SMS and Call Automation Support
WebRTC-based Video & Voice Calling
- HD video calls and conference features
- Secure end-to-end encryption
- Cloud deployment (AWS, Google Cloud, or custom server)
Why Choose Me:
- Expert in Linphone SDK, WebRTC, SIP.js, and Twilio APIs
- 100% custom-built solutions (no generic templates)
- End-to-end support from setup to app store deployment
- Reliable post-delivery technical support
- Experienced in telecom, MVNO, and AI automation systems
️ Use Cases:
- Call Center & CRM Integration
- eSIM / MVNO VoIP Platforms
- Twilio-based Softphone Apps
- Secure Business Communication Tools
- AI Voice Agent or Bot Apps
Get to know Portec
Portec
- FromMexico
- Member sinceAug 2024
Languages
English, Spanish
I am React Native Mobile Application developer for app development using firebase. Gained expertise in react native app development with different challenges.
Being a skilled React Native developer, I have worked with many businesses & delivered successful apps for their business.
We can create mobile apps for:
Doctor Appointment Booking
Event booking
E-Commerce
Exercise
Food Delivery
Taxi Booking
Liquor Delivery
Medicine Delivery
Pizza Delivery
Grocery Delivery
Meat Delivery
EV Charging Station Finder App
Travel mobile app and other
My Portfolio
FAQ
Can you rebrand or customize the Linphone app with my logo and brand name?
Absolutely! I offer full Linphone rebranding including app name, logo, colors, icons, splash screen, and package ID. Your app will look 100% custom-branded with your company identity
Do you provide VoIP and SIP trunk integration?
Yes. I can integrate your app with any SIP trunk provider, FreePBX, 3CX, or Asterisk setup. You’ll get complete VoIP calling functionality including inbound/outbound calls, caller ID, and SIP registration.
Can you build a WebRTC or browser-based softphone app?
Definitely. I develop WebRTC-based softphone apps that run directly in any browser no installation required. These are ideal for call centers, CRMs, and SaaS platforms.
What technologies do you use for development?
I use a combination of: Linphone SDK, WebRTC, SIP.js, PJSIP, Twilio API, Node.js, React Native, PHP, Flutter, and Firebase. All apps are built with scalability, encryption, and performance in mind.
