Full Stack Developer for Web Based FusionPBX VoIP App

We need a complete, production-ready VoIP video calling app built from scratch - an MVP for investor/partner demos. · Backend: Express, MongoDB, Socket.IO · ...

Fork rebrand and customise the WebTrit Phone open source softphone app for iOS and Android. · Fork the WebTrit Phone repo into a private repository. · Rebrand the app completely name logo icons colours splash screens bundle IDs for both iOS and Android. · ...

+We have a Sip provider and I've downloaded the groundwire app.It's working well with calls and SMS but I can't get it to be the default phone app OR work with android auto. · +VoIP · Android · +BenefitsContract duration of less than 1 month. ...

We are building a professional-grade mobile softphone application based on an internal system already in use.We're looking for an experienced VoIP / telephony engineer to help take this from an internal tool to a fully production-ready mobile app. · ...

We need someone that's very familiar with live kit to make the video streaming part stable. · VoIP Administration · , Elastix · , Asterisk · , FreePBX · , LINUX System Administration , WebRTC , VICIDIAL , Twilio ...

Please configure my siptalk to divert business mobile to ring to a message bank that will email business email. Also let us know what software we need to make remote calls using overseas staff phone number. · ...

I need an expert to connect my JotForm to Lovable. · ...

A developer is needed to build a polling app that sends SMS questionnaires and makes phone calls using LiveKit. · Build a polling app with LiveKit. · ...

Seeking a tech-savvy freelancer to set up our automation system using Zapier · ...

+We need someone to block outgoing calls made on Dialpad's VoIP solution to numbers on the UK TPS register. · ...

Hello I need professional support to review and correct the configuration of my 3CX system. · ...

++I run a small high-end design studio and need help setting up a shared studio phone number using a VoIP system. · +Recommend the right tool set it up end-to-end hand over cleanly with simple documentation · Set up a shared studio phone number using a VoIP system · ...

+Business SIP setup recommendation for approximately six office users who require softphones on mobiles to answer landline numbers. · +SIP system setup with call recording and softphone integration with apple and android auto. · Scheduling and routing of calls during business hou ...

I'm seeking assistance with lawful OSINT-based attribution analysis related to a VoIP / app-based phone number. · ...

We're building a mobile softphone app for Shadow One that supports inbound/outbound calls and SMS (initially iOS + Android). The app must feel fast and reliable, handle real-world edge cases (call drops, backgrounding, push notifications), and integrate cleanly with our platform ...

· I need a backend/API engineer to integrate flight data APIs (RapidAPI flight scanners and AviationStack), normalize price and route data, and expose clean REST endpoints for the mobile app. · Integrate third-party flight data APIs · Normalize and structure API responses · ...

We are on the lookout for a talented iOS developer to help us create our initial Minimum Viable Product (MVP), WhisperOne.Able to explain technical tradeoffs clearlyAVAudioSession · AVAudioEngine · Bluetooth audio / AirPods · ...

We are a small business planning to grow to 10-15 employees this year. We're looking to migrate our current phone system to Microsoft Teams to streamline communication improve collaboration and ensure scalability as we expand. · ...

We are building an AI-enabled telemedicine platform and need an experienced developer to embed a WebRTC softphone directly inside OpenEMR (Patient Summary page). · This is NOT a standalone web app. · The softphone must live inside OpenEMR as a module (upgrade-safe), using patient ...

We are seeking a skilled freelancer to configure Somleng for voice and SMS services across up to 10 providers including API integrations with Twilio and Vonage as well as self-hosted solutions using Simbox and phones equipped with the Somleng app. · Mandatory skills:AndroidVoIPPH ...