Telecommunications Engineering Jobs

We are building a real-time voice agent using Elevenlab's WebSocket API and need an expert in Freeswitch to help us bridge our current call flow to the Elevenlab's voice agent. Requirements:
 - Proven experience with Freeswitch core and module development
 - Experience with `mod_audio_fork` and `mod_audio_stream`
 - Deep understanding of SIP/RTP/media flows What you will do:
 - Connect our existing Freeswitch server with Elevenlab's WebSocket-based voice agent using `mod_audio_fork` and `mod_audio_stream`, we need both to be configured. 
 Enable seamless, real-time, bi-directional audio between the caller and the voice agent
. Stream audio to Elevenlab in real-time and handle incoming transcription/command messages. Maintain high availability and low latency across mu...

I need a new main phone line socket installed. My dog chewed up the old one! Requirements: - Install a standard socket - Location: corridor Ideal Skills & Experience: - Electrical or telecommunications installation experience - Familiarity with phone line sockets

We have an Android mobile dialer application that is set as the default phone app. The app supports: GSM/SIM-based calling SIP/VoIP calling We need to implement a feature that allows conference calling between: One GSM call One SIP call Requirement When a GSM call is active and a SIP call is active, the user should be able to merge them into a single conference call so that all participants can talk together. Technical Expectations Experience with Android Telecom framework Experience working with: Connection Service In Call Service SIP stack (PJSIP or Android SIP API) Handling audio routing between GSM and SIP Managing call states and audio focus Proper call merge / conference implementation Clean and stable solution Important Notes The app is already functioning for individual GSM and ...

I need real-time, screen-share guidance on Google Meet to get a brand-new Twilio Elastic SIP Trunk talking cleanly with my existing 3CX system so we can place and receive phone calls. My Twilio account is a blank slate, and the main hurdle is the integration itself—both inbound and outbound routing must work by the end of the session. Here is the flow I have in mind: we start inside Twilio, build the trunk from scratch, add the authentication details, assign a DID, and verify the voice routing. From there we’ll jump into the 3CX management console, create the corresponding SIP trunk, map the numbers, set caller ID rules, and tweak codecs or transport settings if required. Once registration is solid we will run live test calls in both directions to confirm audio quality and sig...

I have an e-SIM that must complete its very first registration on Elisa’s network inside Finland before I can use it abroad. The profile is voice-only, and the carrier stipulates that activation happen in person on Finnish soil. Here is what I need from you: • Be physically in Finland with a handset that supports e-SIM. • Scan the QR I provide, let the profile attach to Elisa, and place a quick test call so the voice service shows as active. • Send me a screenshot (or short video) proving Elisa reception and an outgoing call. • Remove the profile from your device right after I confirm, so I can re-download it on mine. That’s the entire task. Ideally you can finish it within a day of accepting the job. If you have any questions about the QR, han...

I have been subjected to to “voice-to-skull” transmission, direct energy weapon and remote neural monitoring(remotely). My main concern right now is the physical discomfort it is causing—persistent headaches, muscle pain, fatigue, blurred vision,disorder sleep and many other things. I need help to stop it. You must have knowledge about RF wave, WIFI wave. Here is what I expect from you: • A brief consultation (voice or message) where you help me describe my symptoms and living environment in enough detail for an accurate assessment. • A written action plan that includes: – Practical counter-measures I can put in place immediately (shielding materials, RF detection equipment, grounding techniques, etc.). – Any recommended tools or devi...

Buy a readymade CRM Telecom Software consist of order management system, which goes through phase of order creation -> resource -> provisioning -> billing -> completed Have put not put actual amount of software. Need with Sales force and Spring boot

We are looking for an experienced React Native developer to help build and integrate a VoIP calling SDK into an existing mobile application. This is not a basic app development task. We need someone who has real experience with VoIP / WebRTC / SIP / SDK-level work and can deliver quickly. ### Project Scope - Integrate and extend a React Native VoIP SDK - WebRTC calling using - Inbound & outbound call handling - Push notification based incoming calls - Background call handling - App-based configuration dialing logic - SDK-style packaging + documentation support Our team will handle: - OpenSIPS / SBC (Call logic) - SIP infrastructure - APIs You will handle: - React Native SDK layer - Mobile VoIP calling integration - Native module bridging if required - Call UI handling - Stabili...

I need help with a technical issue on Linphone, integrated with FusionPBX. I’m on a custom-built version of Linphone. Current Problem: - Calls do not come through at all when the app is in the background Requirements: - Expertise in VoIP, FusionPBX, and Linphone, especially with custom builds - Proven experience with similar issues Ideal Skills: - Strong background in mobile VoIP applications - Familiarity with both iOS and Android systems - Ability to troubleshoot and resolve background operation issues Please only bid if you have relevant experience.

I need a Japanese national DID or any other VOIP number that can reliably forward calls to my chosen destination. The line will serve both personal and business purposes, so stability, clear audio and the ability to register the caller ID on common soft-phone or SIP devices is essential. Please supply, activate and demonstrate the number working via simple call-forwarding within the shortest possible time; my preference is ASAP. If you already have an inventory of Japanese DIDs, even better—let me know the formats available and any documentation requirements. Acceptance is straightforward: once I can receive and place test calls through the number without drops or quality issues, the milestone is cleared.