Hire the Best SIP Specialists in Mohali, IN

I architect and deliver high-performance systems, including web and mobile applications powered by scalable cloud backends. With 14+ years of hands-on engineering experience, I design production-ready platforms built to handle real-world traffic, low-latency demands, and rapid user growth. Core Expertise • AI & Voice Automation: Autonomous AI voice agents, low-latency audio pipelines, knowledge bases, tool calling, and transfers to human agents. • WebRTC & Real-Time Systems: Low-latency video/audio calling, screen sharing, live streaming, real-time chat, and connection resilience. • High-Performance Web & Mobile Apps: Native iOS and Android development, cross-platform mobile apps, and high-throughput web user interfaces. • Complete Cloud Backend Architecture: Secure and scalable cloud infrastructure deployment and management.

I help businesses 𝗯𝘂𝗶𝗹𝗱 𝗮𝗻𝗱 𝘀𝗰𝗮𝗹𝗲 𝗵𝗶𝗴𝗵-𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀 that handle real-time communication, customer calls, and heavy user traffic- without reliability issues. I specialize in 𝗗𝗲𝘃𝗢𝗽𝘀, 𝗩𝗼𝗜𝗣, 𝗮𝗻𝗱 𝗦𝘆𝘀𝘁𝗲𝗺 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲, managing everything from cloud infrastructure and CI/CD automation to real-time communication systems and scalable backend design. With 𝟭𝟰+ 𝘆𝗲𝗮𝗿𝘀 of experience across 𝗩𝗼𝗜𝗣, 𝗨𝗖𝗮𝗮𝗦, 𝗮𝗻𝗱 𝗖𝗖𝗮𝗮𝗦 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀, I ensure systems deploy smoothly, scale efficiently, and run reliably in production. 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗼 • Set up and manage 𝗰𝗹𝗼𝘂𝗱 infrastructure (𝗔𝗪𝗦) • Build 𝗖𝗜/𝗖𝗗 𝗽𝗶𝗽𝗲𝗹𝗶𝗻𝗲𝘀 (Jenkins, GitHub Actions) • Design and optimize 𝗩𝗼𝗜𝗣 systems (calling, IVR, routing) • Structure systems to handle increasing load and user demand • Fix issues like downtime, slow performance, and call quality problems 𝗗𝗲𝘃𝗢𝗽𝘀 & 𝗖𝗹𝗼𝘂𝗱 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 • AWS infrastructure (𝗘𝗖𝟮, 𝗦𝟯, 𝗟𝗼𝗮𝗱 𝗕𝗮𝗹𝗮𝗻𝗰𝗶𝗻𝗴, 𝗔𝘂𝘁𝗼 𝗦𝗰𝗮𝗹𝗶𝗻𝗴) • CI/CD automation using 𝗝𝗲𝗻𝗸𝗶𝗻𝘀 / 𝗚𝗶𝘁𝗛𝘂𝗯 𝗔𝗰𝘁𝗶𝗼𝗻𝘀 • Docker for 𝗰𝗼𝗻𝘁𝗮𝗶𝗻𝗲𝗿𝗶𝘇𝗮𝘁𝗶𝗼𝗻 & 𝗞𝘂𝗯𝗲𝗿𝗻𝗲𝘁𝗲𝘀 (K8s) for scaling applications • Infrastructure automation using 𝗧𝗲𝗿𝗿𝗮𝗳𝗼𝗿𝗺 (Infrastructure as Code) • Monitoring & logging using 𝗖𝗹𝗼𝘂𝗱𝗪𝗮𝘁𝗰𝗵 • Designing systems for high availability and reliability • 𝗠𝗮𝗻𝗮𝗴𝗶𝗻𝗴 𝘀𝗲𝗿𝘃𝗲𝗿𝘀, environments, and security • Scaling systems for heavy usage and real-time operations • 𝗧𝗿𝗼𝘂𝗯𝗹𝗲𝘀𝗵𝗼𝗼𝘁𝗶𝗻𝗴 production issues and improving performance 𝗩𝗼𝗜𝗣 & 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 • VoIP systems using 𝗦𝗜𝗣 (𝗰𝗮𝗹𝗹 𝘀𝗲𝘁𝘂𝗽 𝗮𝗻𝗱 𝗰𝗼𝗻𝘁𝗿𝗼𝗹) • Call routing, IVR systems, and communication workflows • Platforms like 𝗨𝗖𝗮𝗮𝗦 (𝘁𝗲𝗮𝗺 𝗰𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻) 𝗮𝗻𝗱 𝗖𝗖𝗮𝗮𝗦 (𝗰𝗮𝗹𝗹 𝗰𝗲𝗻𝘁𝗲𝗿 𝘀𝘆𝘀𝘁𝗲𝗺𝘀) • Managing how calls are connected, transmitted, and maintained • 𝗙𝗶𝘅𝗶𝗻𝗴 𝗶𝘀𝘀𝘂𝗲𝘀 like call drops, delays, and poor audio quality • Improving overall 𝗰𝗮𝗹𝗹 𝘀𝘁𝗮𝗯𝗶𝗹𝗶𝘁𝘆 𝗮𝗻𝗱 𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 • 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 with CRM, helpdesk, and business tools 𝗦𝘆𝘀𝘁𝗲𝗺 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 • Designing systems that can handle more users without slowing down • Structuring backend systems for real-time communication platforms • 𝗠𝗮𝗻𝗮𝗴𝗶𝗻𝗴 𝗵𝗶𝗴𝗵 𝘁𝗿𝗮𝗳𝗳𝗶𝗰 and usage spikes • Designing 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲𝘀 (including microservices when needed) • Ensuring systems are reliable, efficient, and easy to maintain 𝗪𝗵𝗮𝘁 𝗜 𝗖𝗮𝗻 𝗛𝗲𝗹𝗽 𝗬𝗼𝘂 𝗪𝗶𝘁𝗵 • Build and scale 𝗩𝗼𝗜𝗣 / 𝗨𝗖𝗮𝗮𝗦 / 𝗖𝗖𝗮𝗮𝗦 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀 • Set up DevOps pipelines and cloud infrastructure • Improve system performance, stability, and efficiency • Fix deployment and production issues • Design systems ready for real-world growth 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 & 𝗧𝗼𝗼𝗹𝘀 • DevOps & Cloud: AWS, CI/CD (Jenkins, GitHub Actions), Docker, Kubernetes, Terraform, CloudWatch • Communication: VoIP, SIP, real-time communication systems • Backend: Node.js, PHP (Laravel, Yii) • Frontend: React, Angular, Vue 𝗛𝗼𝘄 𝗜 𝗪𝗼𝗿𝗸 • Clean, automated deployments • Systems that perform reliably under load • Focus on long-term stability, not quick fixes If you’re 𝗽𝗹𝗮𝗻𝗻𝗶𝗻𝗴 𝘁𝗼 𝗯𝘂𝗶𝗹𝗱 𝗼𝗿 𝘀𝗰𝗮𝗹𝗲 a VoIP, UCaaS, or CCaaS platform, 𝗳𝗲𝗲𝗹 𝗳𝗿𝗲𝗲 𝘁𝗼 𝘀𝗵𝗮𝗿𝗲 𝘆𝗼𝘂𝗿 𝗿𝗲𝗾𝘂𝗶𝗿𝗲𝗺𝗲𝗻𝘁𝘀. I can help you design a solution that’s reliable, scalable, and production-ready.

With 8+ years of extensive experience in software development, I specialize in building high performance, scalable, and user centric WEB and DESKTOP APPLICATIONS using modern technologies. My core expertise lies in Microsoft based development (.NET, C#, ASP.NET Core/MVC, Blazor), combined with modern frontend frameworks like React, Angular, and mapping/GIS tools including ArcGIS, and business intelligence solutions with Power BI for interactive dashboards, data visualization, and actionable reporting. I also have strong proficiency in working with a variety of databases, including SQL Server, PostgreSQL, Supabase, MySQL, and MongoDB; ensuring robust data modeling, performance tuning, and secure data handling across applications. Whether you need an enterprise-grade backend, interactive frontend interfaces, geospatial data integration, or a reliable full-stack partner, I bring the right blend of technical skill, professionalism, and client focused service. - Why Clients Hire Me: A. Proven Track Record – Top Rated, $100K+ earnings, and 90%+ long-term client retention. B. Strict Deadline Adherence – I consistently deliver on time, without compromising quality. C. Scalable, Clean Code – Maintainable, modular codebase following best practices. D. Exceptional Communication – Transparent, responsive, and proactive collaboration. - Technical Expertise: a. Backend: C#, ASP.NET Core/MVC, Web API, Node.js, Express.js, Blazor, OWIN, IIS b. Frontend: React, Angular, Razor, Next.js, Vue.js, Typescript, Bootstrap, Tailwind CSS, Kendo UI, jQuery c. GIS/Mapping: ArcGIS JavaScript API, ArcGIS REST services integration d. Databases: SQL Server, PostgreSQL, MySQL, Supabase, MongoDB e. Cloud/DevOps: Azure DevOps, AWS (S3, EC2, Lambda), GitHub Actions, Docker f. APIs & Integrations: REST, GraphQL, SOAP/WSDL, SSO/Auth systems Primary Skills (Core Stack): - Full Stack Developer - .NET Developer - ASP.NET Core Developer - C# Backend Developer - React.js Developer - Angular Developer - Blazor Developer - MAUI App Developer - .NET MAUI Developer - Web API Developer - Entity Framework Core - Razor Pages - SignalR Developer Frontend Technologies: - JavaScript Developer - TypeScript Developer - HTML5 / CSS3 / SCSS - Responsive Web Design - Tailwind CSS - Bootstrap - React Hooks - Angular Material - RxJS - Material UI (MUI) Backend / Server-Side - ASP.NET Core Web API - RESTful API Development - Microservices Architecture - Clean Architecture - Dependency Injection - Middleware in .NET - LINQ / EF Core - SQL Server / PostgreSQL / MySQL - IdentityServer / JWT Authentication Version Control & Tools: - Git / GitHub / GitLab / Bitbucket - Azure DevOps Pipelines - Jira / Trello / ClickUp - Visual Studio 2022 - Postman / Swagger - Figma to React/Angular Testing & Quality: - Unit Testing in .NET (xUnit, MSTest) - Jest for React - Cypress / Selenium - Playwright - Code Review & Refactoring Cloud & DevOps: - Azure Developer - AWS Developer - Azure App Services - Azure Functions - AWS Lambda - CI/CD (GitHub Actions, Azure DevOps) - Docker - Kubernetes - Cloudflare I work with different technologies and like complex and long-term projects, my experience allows me to solve complex problems related to the design of the project during the negotiation phase. I prefer long-term cooperation with the client and therefore try to provide maximum comfort and quality.

With 16+ years of experience, I help businesses build scalable, secure, and high-performance communication platforms. I specialize in end-to-end VoIP development, WebRTC applications, and AI-powered voice automation. Core Expertise: VoIP Development (Asterisk, FreeSWITCH, Kamailio, OpenSIPS) WebRTC Apps (Audio/Video Calling, Live Streaming) SIP, RTP, IVR, Call Routing & Softswitch (Class 4/5) AI Voice Bots & AI Receptionist Solutions UCaaS, CPaaS & API Integration (Twilio, Plivo, etc.) Media Streaming & Low-Latency Systems Scalable Server Architecture (AWS, Docker, Kubernetes) CRM/ERP & Third-party Integrations WebRTC Application Development - Audio & Video Conferencing - WebRTC, Jitsi, Twillio, OpenTok, Kurento - Screen Sharing, Recording - Online Tutoring and E Learning - Telemedicine and Health Applications - Video Broadcasting and Live Streaming - SFU, STUN & Multiple Server architectures VoIP Service: - Asterisk/Freeswitch/OpenSIP/Kamilio setup & Configurations - PBX System & Software Development - Unified Communication Software - CallCenter Softwares - DID Management - Auto/Predictive Dialer - Mobile or Sip or VoIP Dialers - Real Time billing software - Distributed Server Architecture - Load Balancing and failover setup - Server Administration, Maintenance & 24*7 Support AI-Integration and Automation - Smart voice agents (inbound & outbound calls) - AI chatbots for web, WhatsApp & apps - Speech-to-text & text-to-speech integration - Multilingual conversational systems - Call automation (sales, support, reminders) - AI receptionist and appointment setter - AI content generation (text, image, audio) - Knowledge base chatbots - AI copilots for internal teams - Integrated LLMs for context-aware, deterministic voice interactions Technology, Platforms and languages expertise: Frontend Web: Angular, React.js, Vue.js, PHP Backend: Java, PHP, Laravel, Node.js, Python WebRTC: Native, Kurento, Tokbox, Jitsi, janus, OpenVidu VoIP: Freeswitch, Asterisk, Twillio, Kamilio, OpenSIP, FusionPBX, FreePBX, SIPJs AI/ML: OpenAI, Whisper, ElevenLabs, n8n, Retell

Recently setup VOIP (Yealink and Grandstream IP phones) in the CLOUD (3CX) for UK based company with more than 300 users in Office and Remotely with following features - Desktop software for making and receiveing voice calls, sending adn receiveing SMS/MMS. CAll monitoring CAll recording Call Transcripts Call barging for training Usage reports by users, teams Dashboard to monitor active calls Network security, Firewall implementation, Router and switches configurations. Configuration of Firewalls including Sophos, Fortinet, Palo Alto, PFSense. Cyber Security Services - include manage and mitigate the risk and impact of cyberattacks malware, phishing, ransomware, denial-of-service (DoS) and cross-site scripting (XSS) o Configure and maintain 3CX, Asterisk PBX system. o 3cx & Whatsapp Integration o Microsoft Teams for FreePBX integrations. oSetup Monitoring & Reporting for FreePBX o VOIP applications integrations open-source using Asterisk software on Linux o Setup & configuring 3CX server, Voice calling. o Google Voice Business setup - VoIP o VoIP/Asterisk/FreePBX/GoAutodial/vTiger/3CX Call center & BPO solutions setup o Monitor the system for anomalies and issues o Deal with cyberattacks, identify the most effective systems and preventive protocols to handle cyberattacks, malware, and viruses. o Monitor networks for any suspicious activity. o Configuration of various Firewalls including Sophos, Fortinet, Palo Alto, PFSense etc. o Design and implement Firewall Fortinet ZTNA o Microsoft Active Directory, Exchange Server, and SQL Server. o Design, implement, and manage complex Active Directory infrastructures, including user management, group policies, and domain controllers. o Designing/troubleshooting of Campus Network including hardware devices, Cabling, and configuration. o Installing & configuring Microsoft SCCM, WSUS, Print Server, and File Server. o Managing Windows Servers including Active Directory, Domain Controller, Domain catalogue server, VPN, DNS, ADC, DHCP, WDS, Backup, Terminal Server, Server Patching, Backup [ offsite/Onsite], web hosting, Cals / OS licenses, FTP/SFTP server configuration, Networking, Software deployment, Software restriction, Group Policy, IIS Server configuration, Disaster Recover, o Hypervisors / VMware /vSphere setup/Configuration. o Installing, configuring & managing Microsoft Exchange Server. o Setup & configuring 3CX server, Voice calling. o Backup provisioning, Different RAID configurations, Data restore. o Setup & configuration of various Bio-Metric machines [ i.e., Time-Moto]. o Configuration of various Cisco Switches, routers, and firewalls. o Configuration of Microsoft SQL Backup / restore. o Microsoft Load Balancing, Clustering, NAS, High Availability. o Setup Local, Network & wireless printers in LAN/WAN and print Server o Network testing for vulnerabilities and providing solutions. o Desktop configuration, network, mail client, internet, Outlook Express, Microsoft-outlook o Installing configuration of Manage Engine [ MDM] o Installing configuration of Safe 50 Account, Sage 50 Payroll, Google Suits, and Google Workspace. o Server Room Patching, cabling, testing, DVR/NVR/ CCTV o Troubleshooting of wired and wireless networks. o Complete support for Microsoft Office 365, AWS, Azure platforms. o Windows Server/System Administration. o Backup Administration and Setup. o Remote Monitoring Management Tools like Kaseya, Datto, ConnectWise or Ninja etc. o Office365 Administration and Email Migration. Experienced Salesforce Cloud Implementation Specialist, Salesforce Administrator understand and work with stakeholders to define system requirements and customize the platform. Developed a wide range of websites for Ecommerce stores using technologies Xcart,Magento 2, Wordpress, WooCommerce,Opencart, React js, PHP, and MySQL for startup companies and small businesses.

Computer Programming Languages: C++/C Network Protocols Expertise : GSM, HLR, USSD, SMSC, INAP, CAMEL, DIAMETER, 4G-LTE, HSS, 4G, PGW, SMPP, SS7 Protocol software experience: Dialogic, Aricent, Mobicents Jss7 We provide SS7/Sigtran, based development and deployment services in the domain of telecom and VoIP. Stacks Dialogic, Trillium, and Aricent. GSM HLR development for MVNOs with 3G and 2G data. The HLR or Home Location register was developed over Mobicents and Dialogic SS7 protocol stack. The stack uses the Sigtran M3UA layer over SCTP for the connection for ss7 signaling. The solution have key features like Multi-IMSI, Multiple APN profile for data, etc. HSS development for LTE/4G: HSS or Home Subscriber Server is the central database for a subscriber in 4G/LTE. it hold the subscriber profile based on IMSI. For signaling with the roaming network (MME or SGSN), LTE HSS uses diameter protocol signaling. The interface is called S6a/S6b. SMSC based on Ss7, SMPP and SIP(IMS): Providing a complete solution for the SMSC. It could be used as Full SMSC by the MVNO's /MNO's or A2P and other messaging providers. Camel Gateway for online charging. The camel gateway uses Camel protocol over SS7 or Sigtran. The gateway supports online charging for voice, data and SMS. A2P, P2A SMSC solution. We have ready solutions for bulk SMS providers. The solution uses SMPP and SS7/Sigtran for messaging with mobile subscribers. Each ESME which connects to the SMS can represent a separate SCCP global title. USSD Gateway,: ComCode has ready to use a solution for USSD gateway. The USSD gateway can connect the mobile operators over SS7 or SMPP. IOT- IOT is a new concept. Which is the connected network of devices? We provide software development for NB-IOT and IoT. Diameter Gy interface for data charging. Having full exposure for Private network for 4G an 5G. This includes all the components , MMA, AMF, etc. use OpenSources such as Open5Gs and kamailio for setting up the private networks.