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I need a Twilio specialist who can wire up reliable, production-ready voice calling for our application right away. The core task is to configure Twilio, write the integration code, and prove that two-way calls work end-to-end (dial, connect, hang up) with clear audio and accurate status callbacks. Inbound and outbound, you will work on our platform and ensure that all buttons work and agents can disposition calls correctly. You will also ensure it is well secured
Project ID: 40376941
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Active 1 mo ago
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I have hands-on experience integrating Twilio voice APIs for production-ready inbound and outbound calling systems, including full call lifecycle handling (dial, connect, status callbacks, and hangup events) with reliable webhook processing and real-time call state tracking. I look forward to speaking with you.
$50 USD in 2 days
3.1
3.1
42 freelancers are bidding on average $30 USD for this job

Hi there, I see you're looking for someone to set up Twilio voice calling for your application, ensuring everything runs smoothly from call initiation to hang-up. With 4+ years of experience in integrating telecommunication systems, I can help configure Twilio, write the necessary integration code, and make sure both inbound and outbound calls function perfectly. My focus will be on providing clear audio quality and ensuring accurate status callbacks, so your agents can handle calls effectively. Security is a priority, so I'll make sure the integration is secure and reliable. I’m also prepared to troubleshoot any issues that may arise to ensure a seamless user experience. One thing I'd like to clarify is how you envision the call disposition process for your agents—are there specific statuses you want to include? Best regards, Arslan Shahid
$10 USD in 1 day
5.2
5.2

Hi there, I am excited about the opportunity to assist with your urgent Twilio voice integration. I understand the need for reliable voice calling in your application and am confident in my ability to configure Twilio, write integration code, and ensure seamless two-way calling functionality with clear audio and accurate status callbacks. What I'll deliver: - Configure Twilio for reliable voice calling - Write integration code for two-way calling - Ensure all buttons work and calls are properly dispositioned My approach focuses on delivering a secure and high-quality voice calling experience for your platform. Let's discuss further on Freelancer.com. Please review my profile below. Best regards, Abdul Moeed
$10 USD in 1 day
4.7
4.7

Hi, I can set up a production-ready Twilio voice integration with reliable inbound and outbound calling, including full call lifecycle handling (dial, connect, hang up) and accurate status callbacks. I’ve worked with Twilio Voice APIs to build two-way calling systems with webhook handling, call routing, and real-time status tracking. I’ll ensure your agents can place/receive calls smoothly and disposition them correctly within your platform. My approach: – Configure Twilio numbers, SIP/Voice settings, and webhooks – Implement backend endpoints for call control (TwiML / API) – Handle status callbacks (ringing, answered, completed, failed) – Ensure clear audio + stable connection (latency & codec checks) – Secure the system (validate Twilio requests, protect endpoints, use auth tokens) – End-to-end testing to prove reliable call flow I can start immediately and deliver a working setup quickly. Quick question: what backend stack are you using (Node, Python, PHP), and do you already have Twilio numbers configured? Thanks.
$30 USD in 1 day
4.6
4.6

Hello there, I can configure and integrate Twilio voice calling into your platform with secure, production-ready support for inbound and outbound calls, including dial, connect, hang up, status callbacks, and agent disposition flows. I have experience with Twilio voice workflows, backend integration, and call event handling, and I can ensure all buttons, routing, and call states work reliably end-to-end with proper security in place. You’ll get a stable, well-tested implementation with clean code, clear communication, and fast turnaround so your team can start calling without the usual telephony chaos.
$30 USD in 1 day
4.4
4.4

Hey — saw your post about urgent Twilio voice integration. When this stuff isn’t wired correctly, the biggest pain usually shows up as dropped calls or delays between your app events and what Twilio actually does. Quick question before I suggest an approach: Do you already have your Twilio numbers, webhooks, and basic call flow defined, or are we starting from scratch on the call logic? I’ve set up production Twilio voice flows before (IVR, call routing, webhooks tied into apps), so I know where things usually fail in real-world usage. If you can share your current code repo, Twilio console screenshots, or a short spec of the desired call flow, I’ll review it and tell you what’s realistic to get live quickly.
$20 USD in 7 days
4.7
4.7

As an experienced full stack developer with a specialization in API development and integration, I am confident in my ability to not only meet but exceed your expectations with this Twilio voice integration project. With over 6 years of professional experience, I have delivered over 850 top-notch projects, focusing on meeting deadlines while ensuring 100% client satisfaction. My extensive knowledge and skillset in frontend and backend development, combined with my proficiency in languages like Python (Django), Node.js, as well as PHP-essential for leveraging Twilio's capabilities - make me the ideal fit for this task. Moreover, my recent involvement in projects that required configuring Twilio and writing integration code further fortifies my confidence in taking on this project. One thing that sets me apart is my unyielding commitment to excellence. Not only will I ensure that the voice calling functions are integrated seamlessly and with optimal clarity, but I will also prioritize the security of your platform. My aim is to provide you with a stable, production-ready solution while respecting your timeline and budget. Let's get started; I am ready to prove why I am in the top 3% of global talent!
$75 USD in 9 days
4.1
4.1

Hi , You need an expert in Twilio, Telecommunications Engineering, Software Development, API Integration, Asterisk PBX, API Development, VoIP, Security, PHP and Voice Talent, and I have a tailor-made solution ready for you. Your project brief instantly reminded me of a recent client who faced similar challenges, and I know exactly how to execute this flawlessly for your specific needs. To ensure we hit the ground running, I have three quick questions: Are there any additional technical details or constraints not mentioned in the brief? What is the primary hurdle currently blocking your progress on this? What is your strict timeline for completion? Why trust me with your project? The Record: 250+ Projects. 6+ Years. 100+ consecutive 5-star reviews. The Standard: Zero misses. I don’t just finish the job; I guarantee flawless execution. The Availability: Full-time freelancer, online 9 AM - 9 PM EST. My biggest "heavy-hitter" projects are kept off my public portfolio to protect client confidentiality. Click 'CHAT', and I’ll immediately send over relevant, private samples so you can see the standard of my work firsthand. Best regards, Syed Fawad Ahmed.
$10 USD in 4 days
4.4
4.4

Hi, I’ve reviewed your requirements and I can set up a **production-ready Twilio voice calling integration** for your application immediately. Here’s what I will deliver: • Configure Twilio for inbound and outbound voice calls • Implement end-to-end call flow (dial → connect → hang up) • Ensure clear two-way audio and stable call handling • Set up accurate status callbacks (ringing, answered, completed, failed) • Wire UI buttons so agents can properly initiate and disposition calls • Secure the integration (webhook validation, token/auth protection) System behavior I will ensure: • Calls reliably connect in both directions • Call state is tracked correctly in your backend • Agent actions (start/end/disposition) are reflected in real time • No exposed or insecure Twilio credentials Why I’m a good fit: • Experience with Twilio Voice API (Node.js / backend integration) • Strong focus on reliable real-time communication systems • Familiar with production-level webhook security and call state management Timeline: • Initial working integration: same day • Full tested implementation: 1–2 days I can start right away and deliver a working voice system quickly that your team can test immediately. Best regards
$100 USD in 7 days
3.1
3.1

Hey , I just went through the project description, and I see you are looking for someone experienced in Voice Talent, VoIP, API Integration, API Development, Telecommunications Engineering, Software Development, Asterisk PBX, Twilio, PHP and Security. It instantly reminded me of a client who faced similar challenges, and I knew I had a tailor-made solution for it. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: • Is there anything else you’d like to add to the project details? • What’s the top hurdle you’re facing with this project? • What is the timeline to get this done? Why Choose Me? 250+ Projects. 5 Years. Zero Misses. My reputation is built on a single metric: Flawless Execution. While others promise quality, my last 100+ consecutive 5-star reviews prove it. I don’t just finish the job; I set the standard. Timings: 9am - 9pm Eastern Time (I work as a full time freelancer) The portfolio here is just the tip of the iceberg. To respect client confidentiality, my recent heavy-hitters aren't public, but I can share them 1-on-1. Click the 'CHAT' button, and I’ll send over the relevant samples immediately for your review. Regards, Abdul Haseeb Siddiqui.
$10 USD in 4 days
3.3
3.3

Hello there, Great timing on urgent Twilio voice. I’ll help wire up reliable, production-ready inbound and outbound calling with clear audio and robust status callbacks, end-to-end testing included. Your goal is dial, connect, and hang up with clean call disposition and secure wiring, I get that. The main risk is production readiness: insecure tokens, misrouted callbacks, or flaky audio. I’ll address this early with strict credential management, per-call tokens, and short-lived app credentials, plus encrypted media paths where supported. I’d approach this by configuring Twilio ingest and outbound flows, wiring webhook callbacks, and building a PHP-based integration with a small test harness. I’ll verify audio paths, DTMF, and mid-call renegotiation through a focused end-to-end test that mirrors real user behavior. A deeper technical detail is designing a resilient media path with Twilio endpoints and a separate signaling service; this keeps audio snappy even under network jitter, and lets us gracefully handle partial outages with retry and fallback logic. I’ll also implement idempotent disposition updates to avoid duplicate statuses. I’ll keep the deployment lean, track important metrics, and rely on a simple rollback plan if anything unexpected happens. Let’s align on endpoints, timeouts, and your security constraints to move fast yet safely. Thanks, jim kyle-
$20 USD in 1 day
2.8
2.8

Ensuring seamless end-to-end connectivity for two-way calls is critical for your application. The integration of Twilio must not only deliver clear audio but also accurately capture status callbacks, which are vital for tracking call states and agent actions. With a focus on PHP development and Asterisk PBX, I will configure Twilio and establish robust API connections while implementing necessary security measures to safeguard data integrity. The initial deliverable will be ready within 7 days. Do you have a specific timeline for the first milestone?
$14 USD in 7 days
2.2
2.2

Hi, I went through your requirements and it is clear you need a Twilio specialist to configure reliable production-ready voice calling with inbound and outbound calls, agent disposition controls, status callbacks, and proper security all working end to end. I have integrated Twilio voice calling into applications before including inbound and outbound call flows, webhook status callbacks, and agent facing controls. A few quick questions before we begin: What is your application built in, Node.js, Python, or another stack? Do you have an existing Twilio account and phone numbers set up or are we starting from scratch? How many agents will be using the system simultaneously? Approach: Twilio account and phone number configuration → inbound call routing and outbound dialling integration → agent call controls including answer, hold, transfer, and disposition → status callbacks for call events → end to end testing proving dial, connect, and hang up with clear audio → security hardening including webhook signature validation, TLS enforcement, and access controls. Timeline: 3 to 5 days for a fully working production ready integration Happy to get started immediately. Regards, Lovely
$20 USD in 7 days
2.0
2.0

I focus on delivering work that’s done properly, clear, polished, and aligned with exactly what you need. As a new freelancer I’m focused on building my reputation, so I offer competitive rates while putting in extra effort to ensure high quality results, reliable communication, and work I stand behind. I also offer 6 months free maintenance and unlimited revisions. My diverse technical skill set and deep practical knowledge of API Integration, including Twilio's, make me a perfect fit for your urgent voice integration project. My proficiency in PHP will enable me to seamlessly configure Twilio, write the necessary integration code, and ensure two-way calling works splendidly -- from dialing and connecting to hanging up -- with robust audio quality and accurate status callbacks. Moreover, I understand the importance of call buttons working perfectly and agents properly dispositioning calls within your platform. I'm confident in excelling in these responsibilities and ensuring a well-secured system that aligns with your specific needs.
$20 USD in 7 days
1.3
1.3

Hello, I can help you set up a reliable, production-ready Twilio voice system with full inbound/outbound calling and secure integration. I’ve worked with Twilio Voice (webhooks, TwiML, call status callbacks, recording, and routing) and can ensure: • End-to-end calling (dial, connect, hang up) with clear audio • Accurate status callbacks and call tracking • Fully working UI actions (call, answer, disposition) • Secure setup (webhook validation, auth, environment protection) • Clean, maintainable integration code I’ll test everything live to confirm stable two-way communication and proper agent workflows. Happy to review your system and start immediately. Kind regards
$10 USD in 1 day
1.4
1.4

Hello, I understand the urgency of integrating reliable voice calling with Twilio for your application, and I’m here to help ensure a smooth implementation. My approach will involve configuring Twilio for robust voice capabilities, writing the necessary integration code in Node.js, and utilizing React to create an intuitive front end for your agents. Here is what I will deliver: - A fully functional two-way calling system that allows users to dial, connect, and hang up with clear audio quality. - Complete configuration of inbound and outbound calling, ensuring all buttons work seamlessly for agents. - Well-documented code with clear communications throughout the project to keep you informed. I can confidently complete this within your budget and timeline, and I will keep you updated throughout the process. Could you provide more details on any specific security requirements you have in mind for this integration? Best regards
$20 USD in 7 days
0.7
0.7

Hi there, The best solution for this project is a clean Twilio voice integration pass that covers inbound and outbound calling, two-way audio, agent-side call actions, status callbacks, and secure handling from end to end. For voice systems, “it rings sometimes” is not a feature. I’d start by reviewing your current platform flow, then wire the Twilio configuration and calling logic properly so agents can dial, connect, hang up, and disposition calls reliably. After that, I’d test inbound/outbound scenarios, verify callbacks and button behavior, and lock down the integration with the right security practices. Cost: $180 || Timeline: 2 days Payment and timeline details can be discussed further to align with your expectations. Best regards, Mohamed
$180 USD in 2 days
1.8
1.8

Hello, As a seasoned developer with years of experience in API development, I have the skills required not just to integrate Twilio into your application, but to do it successfully and reliably. My expert knowledge of MERN stack will enable me to not only write the integration code, but also configure Twilio end-to-end for smooth voice communications as per your project's requirements. What sets me apart is my keen eye for detail and strong understanding of security measures. I don't just ensure that the buttons work and agents can disposition calls effectively, I go the extra mile to protect your app from any vulnerabilities by putting in place robust security protocols - a crucial aspect in protecting sensitive user information. Additionally, I understand the importance of delivering a future-proof app that can scale and adapt with changing needs. With my architectural skills, I'll develop a clean, modular code base that ensures easy maintenance and expansion. And should you require any post-project support, you can count on me for ongoing assistance. In summary, hiring me means choosing a talented developer who will not only get the job done but will go above and beyond to deliver an efficient Twilio-integrated application that meets- if not exceeds- your expectations. Let's discuss further how I can bring value to your unique project. Thanks!
$50 USD in 2 days
0.0
0.0

Hello, Being a seasoned API Developer with vast experience in API Integration and PHP, I am confident in my ability to take on your urgent Twilio voice integration project. My expertise lies in precisely the kind of task you've outlined - configuring Twilio, writing impeccable integration code, and ensuring end-to-end functionality of two-way calls with clear audio and accurate status callbacks. With a strong commitment to delivering work that is production-ready, reliable and secure, I assure you that your platform's voice calling system will work flawlessly post my intervention. Moreover, my clarity-driven approach ensures that we start your project on the same page, avoiding any misunderstandings usually associated with development projects. This also translates into consistent updates from me so you can be fully informed about how your project is progressing. In addition to my technical skills, I place great emphasis on clear and open communication throughout all stages of the project. This ensures a smooth and stress-free collaboration where you can always trust that things are proceeding as planned. Let's team up for this urgent Twilio integration project to create a cohesive, functional environment for efficient communication through your application. Thanks!
$10 USD in 7 days
0.0
0.0

Hi, I have reviewed your project description and requirements it’s totally doable from my end. With 6+ years of experience across Asterisk PBX, API Integration, Voice Talent, PHP, Software Development, Telecommunications Engineering, VoIP, Twilio, Security and API Development, I already have a clear approach to execute this efficiently and deliver a clean, stable, and production-ready solution. I’ve handled similar work before, so I understand how to build this in a scalable way without unnecessary complications, while keeping performance and usability strong. I can take care of everything from development to final delivery, and I’m open to refinements to make sure you’re fully satisfied with the result. Best, Ammar Malik
$10 USD in 4 days
0.0
0.0

⭐⭐⭐ Hi, Client ⭐⭐⭐ As a seasoned professional offering a comprehensive skill-set, including API Development, API Integration, PHP, Software Development, and VoIP expertise. I am confident in my ability to provide the reliable production-ready Twilio voice calling integration solution you urgently require. With a focus on delivering not just code but on building scalable and efficient solutions that drive business growth, I go beyond the norm to ensure your app satisfies its core function: smooth two-way communication, seamless dialing, connecting, hanging up, all with crystal-clear audio and precise status callbacks. My track record in Full-Stack Web Development brings twilio configuration and accurate call dispositions within the scope of my expertise. Moreover, guarding your system against threats is paramount. My proficiency in securing platforms ensures I don't just make your app work efficiently; I make sure it’s well-protected as well. By trusting this vital task to me, you're assured of an end-to-end Twilio integration that meets not only immediate needs but lays a solid foundation for future scalability and robustness. My commitment to your project goes past its deadline - I'm here to provide ongoing support even after launch. So, chat me in today and let me ensure 'reliable' no longer remains just a word but a reality for your platform! Best Regards
$15 USD in 1 day
0.0
0.0

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