Two-Way SMSC Gateway Development

@OutsourceMan

With 18 years of experience under our belts, CnELIndia brings the seasoned expertise necessary for a project as demanding as your SMS gateway development. Our deep understanding of PHP, amongst other technologies, allows us to design reliable, high-performance solutions that are built to last. We've worked on numerous projects involving SMPP and HTTP API integration, which aligns perfectly with your requirement for seamless integration into your existing phone system. Maintainability is at the heart of our process. In this vein, we promise to not only deliver a fully functional SMSC gateway but also provide crystal-clear documentation detailing setup, configuration, and everyday operation. Our goal is to equip your team with all the necessary knowledge to maintain and expand upon the solution post-handover. Finally, our commitment to innovation and delivering on time and within budget will help expedite this project without compromising on quality. With CnELIndia on board, you can rest assured that every stage of development will receive meticulous attention – from the initial build to extensive testing – prioritizing speed without sacrificing stability or performance. Let's turn your vision of a two-way SMSC gateway into a reality together

@kamran2012

Interesting project, I will deliver a production-ready SMSC gateway — SMPP-based core handling inbound and outbound SMS routing, monitoring dashboard with delivery receipts and logging, and a clear hand-over document your team will use to operate it independently. For the integration layer, I will build an abstraction between the SMSC core and your phone system so the protocol binding — whether SMPP, SIP-based, or HTTP — remains swappable without touching gateway logic. This keeps future carrier or infrastructure changes from requiring a rewrite. Questions: 1) What does your current phone system look like — SIP trunks, a PBX like Asterisk/FreeSWITCH, or a cloud telephony provider? 2) What throughput do you need — rough estimate of messages per second for both inbound and outbound? Send me a message and we can go over the details. Best regards, Kamran

@rahuliitm69

Hi there, I can help you build a stable, production-ready SMSC gateway with full two-way messaging that plugs cleanly into your existing phone system. I’ve worked on Node.js backend systems and real-time integrations, so handling SMS send/receive flow, APIs, and logging is something I’m comfortable with. My approach will be to start with setting up a Node.js based SMS gateway layer that can handle both incoming and outgoing messages. For integration, depending on your current phone system, I can either connect via SMPP using a library like node-smpp, or use a proven gateway like Kannel as a bridge. If needed, I can also integrate with APIs like Twilio or similar providers for faster initial setup and reliability. Then I will build a clean HTTP API layer on top of this so your internal systems can easily send messages and receive callbacks for incoming SMS. I will also implement proper delivery tracking, logging, and basic monitoring so your team can see message status and troubleshoot if needed. After that, I will test the full flow end-to-end — app → gateway → phone system → user → reply → gateway → your system — to make sure everything is stable under real conditions. Lastly, I will provide a simple deployment setup (can be Docker-based if needed) along with clear documentation so your team can run and maintain it without dependency. Thanks, Rahul A.

@technologiesit

With over 10 years of experience in software development and an extensive set of skills, I am confident in my ability to deliver a successful Two-Way SMSC Gateway for your existing phone system. My expertise includes Android, PHP, and Full Stack Development which are all vital components for this project. Drawing from my previous work building similar gateways and integrating with telephony platforms, I can guarantee a production-ready solution that will seamlessly plug into your existing infrastructure. Speed is of the essence here, and I understand that completely. That's why I propose to show you an initial working build as soon as possible so we can iterate from there and ensure the final product aligns perfectly with your needs. Clear, concise documentation is another area where I excel. As part of my deliverables, you can expect comprehensive notes on deployment steps and everyday operation so your team can easily take over after hand-over. Moreover, I firmly believe in long-term support which is why scalability and security play a crucial role in all my implementations. By choosing me for this project, you not only receive a functional SMSC gateway but a strategic partner who values your vision and understands the importance of results. So let's turn this vision into reality together - shall we?

@softwarelinkerrs

With SoftwareLinkers, you're not just getting a run-of-the-mill developer, you're gaining the skills and knowledge of an experienced, multidisciplinary team that has worked with complex systems similar to the requirements of your project. Our PHP & MySQL backend development expertise puts us in a prime position to build the scalable, robust SMSC gateway that you need. We are deeply knowledgeable in RESTful API development and integration and have done comprehensive work in ensuring that these APIs can be consumed seamlessly by both mobile and web platforms. Our process-driven approach ensures we don't just deliver a product, but a solution that aligns with your specific business goals. Given our experience in integrating systems across different industries including corporate, insurance, finance, logistics, education and eLearning, I am confident that we can strongly integrate this new SMSC Gateway into your existing phone system smoothly; adhering to best practices for security and scalability. In terms of time management, my team is renowned for its adherence to tight schedules coupled with our ability to deliver high-quality results. This has earned us a 4.9★ rating with 100+ verified reviews from clients who appreciate our dedication to on-time delivery without compromising on quality. M

@vishal1145

Your SMSC gateway will fail under load if you don't implement message queuing and connection pooling from day one. Most telephony integrations I've seen collapse when concurrent SMPP binds exceed carrier limits or when inbound traffic spikes during campaigns. Before architecting this, I need clarity on two things: What's your current message throughput expectation—are we talking 100 messages per hour or 10,000? And does your phone system already expose SMPP endpoints, or will I need to build a bridge layer between SIP trunks and the SMSC core? Here's the architectural approach: - SMPP 3.4 PROTOCOL: Build a persistent connection manager with automatic rebinding and exponential backoff to handle carrier disconnects without dropping messages in transit. - PHP + SWOOLE: Use asynchronous workers to process inbound delivery receipts and MO messages concurrently, preventing bottlenecks when your system receives 50+ messages per second. - REDIS QUEUE: Implement a message buffer that survives process crashes and allows you to replay failed sends without losing revenue-critical traffic. - LOGGING + PROMETHEUS: Set up structured logging with delivery status tracking and real-time metrics so your ops team can spot carrier issues before customers complain. - API LAYER: Expose a REST interface for your internal systems to submit MT messages with validation, rate limiting, and idempotency keys to prevent duplicate sends. I've built three similar gateways for telecom providers handling 2M+ messages daily. One client was losing $15K monthly to message failures before I implemented proper error handling and retry logic. I don't take on projects where the existing infrastructure is undocumented. Let's schedule a 20-minute technical call to review your phone system architecture and confirm integration points before I commit to a timeline.

@ashinnd84

Hello there, we are a team of full stack developers. We are experts in PHP, Android, VoIP, Telecommunications Engineering, Telecoms Engineering, System Administration. Please, send me a message to discuss the work. Thanks Ashish Kumar

@techsty2014

Hello, I will build your two-way SMSC gateway with reliable send and receive messaging, clean integration into your current phone system, and logging your team can use to track delivery and inbound traffic from day one. You will receive production-ready source code, deployment steps, and a handover document for internal maintenance. I would place a queue and delivery status layer between the phone system and messaging endpoints so retries, failures, and inbound routing stay traceable without disrupting live traffic. Questions: What phone system or telephony platform is currently in place? Do you want SMPP, HTTP API, or both exposed for future integrations? Will high message throughput or delivery report handling be required at launch? Looking forward to discussing further. Best regards, Faizan

@santoshkumars17

As a seasoned Full Stack Web and Mobile App Developer with a focus on real-time solutions, I am confident that my skills and 5+ years of professional experience make me the ideal fit for your Two-Way SMSC Gateway Development project. I have a track record of delivering forward-looking projects skillfully navigating through complex telephony systems with minimal disruptions - a crucial requirement given the nature of your project. My expertise in both front and backend development will enable me to effortlessly integrate your phone system with the new gateway through SMPP, HTTP API or any method you prefer without hampering existing operations. My previous experience in building gateways and knowledge of tools like Node.js and React.js prove my capability to meet your requirements to guarantee efficient, stable and easy to use gateway solution - exactly what you are looking for. Client satisfaction is my priority; I commit to delivering not just the functional SMSC gateway solution but also a hand-over document that simplifies setup, configuration, and daily operations. As we move along, I believe my clear communication, timely delivery, and unwavering support will transform your vision into reality while fitting seamlessly into your existing infrastructure. I'm eager to begin this exciting journey with you towards enhancing your two-way SMS communication!

@mayankinnovative

Hi, As per my understanding: You are looking for a robust, production-ready SMSC gateway to enable two-way SMS communication integrated with your existing telephony infrastructure. I understand that the primary goal is to create a stable bridge for incoming and outgoing messages, utilizing SMPP or HTTP protocols to ensure seamless connectivity. Since this is tied to live systems, the priority is on speed of deployment, reliability, and ease of internal maintenance. You need a solution that not only handles the message flow but also provides clear logs for monitoring traffic and a comprehensive hand-over process so your team can manage the gateway independently after the initial build. Implementation approach: I will develop a high-performance gateway using Node.js or Python, leveraging the Kannel or Jasmin SMS Gateway framework for proven SMPP stability. My approach will focus on creating a modular API layer that connects your phone system to the mobile carrier or SMS aggregator. I will implement a centralized logging system using an SQL database to track delivery receipts and inbound messages in real-time. For the initial build, I will prioritize the core routing engine to provide a testable integration as quickly as possible. Once verified, I will containerize the solution using Docker for easy deployment and provide a structured technical manual covering configuration, troubleshooting, and scaling.

@monicasynthesis

Hello, I’ve gone through your job description and understand that you’re looking for a production-ready SMSC gateway enabling full two-way SMS (send/receive) integrated with your existing telephony system via SMPP/HTTP APIs, with monitoring and complete source code handover. With experience in telecom integrations, messaging systems, and backend infrastructure development, I’ve worked on similar real-time communication and SMS gateway solutions. What I can help you with: • Build and integrate a stable SMSC gateway for two-way SMS (SMPP/HTTP based) • Seamless integration with your existing phone system and traffic routing • Basic logging/monitoring setup + full deployment and handover documentation Warm regards, Monica Bhatia

@SmartCodeDev

Hello, I can build a production-ready SMSC gateway with full two-way SMS support and seamless integration into your existing phone system. I have experience working with SMPP, HTTP APIs, and telecom integrations for reliable messaging flow. I will implement a stable gateway using tools like Kannel or Jasmin SMS Gateway with a Node.js/Python layer if needed for custom logic. The system will handle both inbound and outbound SMS with proper routing through your infrastructure. Basic logging and monitoring will be included to track delivery status and incoming messages. I will provide a clean, testable initial build quickly for validation. You will receive full source code and clear step-by-step deployment documentation. The setup will be easy for your team to operate and maintain. Ready to start immediately once integration details are shared.

@DigitalNightOwl8

Hello Already have something live to show you I am professional mobile software engineer with skills including Web Design, PHP, Website Development, Content Writing, Elementor, HTML, WordPress and Website Design. Please send a message to discuss more about this project. Always happy to hear from you Thanks

@Shrutibimpl

You want a professional SMS gateway. I will build a reliable two-way SMSC solution that integrates seamlessly with your phone system and ensures stable message delivery. 1) Which specific protocol does your current phone system support for external integration? 2) Do you need support for specific message formats like Unicode or concatenated SMS for long messages? 3) Should the monitoring logs be pushed to a central platform, or is a local file-based log sufficient for your initial operations? We will build a robust bridge that allows you to send and receive text messages instantly through your existing phone infrastructure. You will get a simple, reliable tool that handles the complex communication protocols in the background, making sure your messages get to their destination every time. Everything is designed to be easy for your team to use, with clear logs so you can track your traffic and see exactly when a message is delivered. I will develop the gateway using a high-performance framework like Node.js or Python to handle asynchronous SMS processing and maintain stable socket connections. The implementation will include a comprehensive protocol adapter to map your system's communication to standard SMPP or REST API calls, ensuring full compatibility. I will add a lightweight logging module for real-time delivery status updates and a structured configuration block for managing your credentials and network settings. Thanks, Bharat

@seandinwiddie

Hi, Dear I’m confident I can design and implement a production-ready SMSC gateway that supports reliable two-way SMS traffic and integrates cleanly with your existing phone system. With strong experience in telecom integrations using SMPP, HTTP APIs, and messaging brokers (RabbitMQ/Kafka), I’ll ensure the system is stable, observable, and suitable for live traffic environments. I will start by analyzing your current telephony infrastructure and defining the integration approach (SMPP bind, HTTP webhook bridge, or hybrid relay depending on your system). Next, I will build the core SMSC gateway service handling inbound/outbound routing, message queuing, delivery receipts (DLRs), and integration with your phone system in real time. Finally, I will implement monitoring, structured logging, retry mechanisms, and operational tooling, followed by deployment documentation and a handover guide so your team can operate and maintain the system independently. I focus on reliability, message integrity, and fault tolerance, ensuring SMS delivery remains stable even under high traffic or intermittent carrier issues. Let’s align on your current phone system specs (SMPP provider, carrier, or PBX setup) so I can design the most efficient integration path and move quickly into implementation. Looking forward to collaborating. Regards, Sean

@KarthikTechCon

Hi, I’m Karthik from Resonite Tech with 15+ years of experience in telecom platforms, SMS gateways, VoIP systems, SIP integrations, SMPP, and backend API development. I can build a production-ready two-way SMSC gateway that supports both inbound and outbound SMS traffic while integrating cleanly with your existing phone infrastructure. The solution can support: * SMPP, HTTP API, SIP, or hybrid integration * Two-way SMS send/receive workflows * Delivery reports and message status tracking * Inbound routing and keyword-based handling * Logging, monitoring, and retry mechanisms * Secure authentication and rate limiting * Admin dashboard or API endpoints for operations Depending on your phone system, I can use proven technologies such as Java, Node.js, Kannel, Jasmin SMS Gateway, SMPP libraries, PostgreSQL, and REST APIs to ensure stability and scalability. You will receive: * Fully working SMSC gateway * Source code and deployment scripts * Monitoring and logging setup * Technical documentation and handover guide * Fast initial build for testing and integration I have worked on telecom integrations, messaging systems, VoIP backends, and high-volume API services, so I understand the importance of reliability and quick turnaround. Warm Regards, Karthik B Resonite Tech

@krishbusiness005

Combining my extensive expertise in Web and Software Development with an array of other technical skills, I am confident of delivering the perfect SMSC gateway solution tailored to your specific needs. With over eight years of experience, I have effectively built and deployed a number of complex systems, including integrated gateways similar to what you require. By leveraging my proficiencies in PHP, Python, API integration, and Software Development, I can guarantee swift development and seamless integration with your existing phone system. I understand the importance of speed when it comes to deploying critical telephony solutions like yours. That's why I prioritize timely deliverables without sacrificing quality. Not only will you receive a fully-functional two-way SMSC gateway as per your requirements, but I'll also provide clear step-by-step deployment notes and comprehensive source code documentation for future maintenance. Moreover, my competencies aren't limited to just building systems; I specialize in empowering my clients to operate and maintain the solutions independently. So once the project is completed, your team will have a thorough hand-over document covering not only the initial setup and configuration but also everyday system operation. Fountain for creative ideas, proactive problem-solving skills, and a commitment to excellence - with me on-board, you can rest assured that you've found the perfect fit! Let's commence!

@sonika1419

**DO NOT PAY ME UNTIL I COMPLETE! :)** Hello my valuable client :) My profile is new over here but I have 7 years of experience in this field. I have completely understood about your project. Also I will provide you free maintenance on your project for 1 year after project completion. I can definitely complete this in your timeframe. Give me one chance to prove myself. Hit the chat button to get started. If you will not like my work then you dont need to pay me any money so dont worry and have faith in me :) I am eagerly waiting for your message.

@jagratip3

Dear Hiring Manager, I have over 8+ years of experience in backend systems, database administration, and telecom-style integrations, including building and maintaining high-availability messaging and API-driven communication services. I have worked with SMS gateway integrations using SMPP, HTTP/REST APIs, and telephony platforms where reliability, throughput, and delivery tracking are critical. My approach for your SMSC gateway would be to design a modular, production-ready service that supports both inbound and outbound SMS flows with clean integration into your existing phone system. Depending on your infrastructure, I would use proven components such as SMPP client/server stacks, message queueing (RabbitMQ/Kafka), and a Node.js or .NET-based API layer for routing and control. Database-backed message tracking (MySQL/PostgreSQL) will ensure full delivery logs, retry handling, and auditability. For stability and monitoring, I implement structured logging, delivery status tracking (DLR handling), and lightweight dashboards for real-time message flow visibility. The system will be containerized or service-managed for easy deployment and internal handover. Clarification points: • What is your current phone system (Asterisk, PBX, SIP provider, or carrier SMPP)? • Expected SMS throughput (messages per second / daily volume) • Do you already have SMPP credentials or carrier connections? • Required failover behavior and retry rules for failed messages Best Regards, JP