104 Freeswitch Jobs

Develop and maintain C/C++ applications in Linux/Unix environments.Design and implement solutions in the network programming domain, working with at least one networking protocol (SIP protocol preferred). Create efficient, scalable multithreaded aps

As a budding C programmer passionate about system-level programming and networking, you have the opportunity to join a team working on exciting real-world applications in Linux/Unix environments. You will gain hands-on experience in developing multithreaded systems, understanding networking protocols, and debugging from start to finish. **Key Responsibilities:** - Assist in developing and maintaining C/C++ applications on Linux/Unix platforms. - Learn to design and implement network programming solutions using protocols (SIP experience is a plus). - Support building scalable, efficient multithreaded applications. - Write clean, maintainable code under the guidance of senior developers. - Con...

As a Core Telephony Dev with 5-8 years of hands-on experience, you will be responsible for designing, building, and maintaining scalable, high-performance real-time communication systems using technologies like FreeSWITCH, Kamailio, RTP Engine Module(s), and APIs. Your key responsibilities will include owning the core signaling, media handling, and session control layers that power global voice services, optimizing performance, call quality, and security across cloud and datacenter deployments, and collaborating with Site Reliability Engineers and Product teams to ensure reliability, observability, and feature velocity in carrier-grade environments. **Key Responsibilities:** - Design, build,...

Role & responsibilities Monitor real-time VoIP traffic including ACD, ASR, CPS , QoS metrics, latency, and call routing performance. Troubleshoot SIP, RTP, SDP , one-way/no audio, codec mismatch, call failures, and SIP error codes (4xx/5xx/6xx). Use Linux CLI for log analysis, system checks, service restarts, and network troubleshooting. Perform SIP call flow analysis using tools like sngrep , tcpdump , Wireshark , and interpret packet captures. Handle carrier routing , prefix updates, routing table management, and failover logic. Perform CDR analysis to identify call trends, failures, FAS, fraud patterns, and routing issues. Handle connectivity issues including IPSec VPN, NAT traversal, fir...

You have a strong end-to-end knowledge of VOIP/SIP/IMS systems. You possess solid experience with Linux, including kernel-level and user-space programming. Your proficiency extends to debugging tools for embedded systems. You have hands-on experience with open source tools like Freeswitch for system design. Additionally, you are proficient in Git or other version control systems. Your excellent analytical and problem-solving skills are complemented by your strong communication and team collaboration abilities. **Key Responsibilities:** - Strong end-to-end knowledge of VOIP/SIP/IMS systems - Solid experience with Linux (kernel-level and user-space programming) - Proficiency with debugging too...

About The Role Project Role : Application Support Engineer Project Role Description : Act as software detectives, provide a dynamic service identifying and solving issues within multiple components of critical business systems. Must have skills : Cloud Contact Center Operations Good to have skills : NA Minimum 5 year(s) of experience is required Educational Qualification : 15 years full time education Summary :We are seeking an experienced Voice Engineer with 5 to 8 years of experience in Asterisk, Kamailio, SIP, WebRTC, and VoiceXML, along with strong scripting skills in Java. The ideal candidate will be responsible for designing, deploying, and maintaining real-time communication systems, ...

About The Role Project Role : Application Support Engineer Project Role Description : Act as software detectives, provide a dynamic service identifying and solving issues within multiple components of critical business systems. Must have skills : Cloud Contact Center Operations Good to have skills : NA Minimum 3 year(s) of experience is required Educational Qualification : 15 years full time education Summary :We are seeking an experienced Voice Engineer with 3 to 5 years of experience in Asterisk, Kamailio, SIP, WebRTC, and VoiceXML, along with strong scripting skills in Java. The ideal candidate will be responsible for designing, deploying, and maintaining real-time communication systems, ...

About The Role Project Role : Application Support Engineer Project Role Description : Act as software detectives, provide a dynamic service identifying and solving issues within multiple components of critical business systems. Must have skills : Cloud Contact Center Operations Good to have skills : NA Minimum 3 year(s) of experience is required Educational Qualification : 15 years full time education Summary :We are seeking an experienced Voice Engineer with 3 to 5 years of experience in Asterisk, Kamailio, SIP, WebRTC, and VoiceXML, along with strong scripting skills in Java. The ideal candidate will be responsible for designing, deploying, and maintaining real-time communication systems, ...

About the Role We're seeking a skilled and proactive VoIP Engineer with at least 2 years of hands-on experience in SIP-based systems, Linux server management, and VoIP troubleshooting. If you've ever found beauty in a perfect SIP handshake or debugged NAT hell like a champ, youll feel right at home here. Youll be responsible for maintaining, optimizing, and expanding our IP telephony and unified communication infrastructureworking across Asterisk, FreeSWITCH, Kamailio, and other open-source tools. Key Responsibilities Deploy, configure, and manage VoIP infrastructure (Asterisk, FreePBX, Kamailio, OpenSIPS, or similar) Monitor and troubleshoot call quality issues, SIP signaling, RTP media str...

In this role at SoundHound AI, as a Product Support Engineer II, you will be responsible for handling escalated issues, conducting in-depth analysis, and providing advanced support for applications involving Java/JVM, Kubernetes, MySQL/Cassandra Database, Voice Processing, VoIP, and telephony components. **Key Responsibilities:** - Address escalated issues from Level 1 support by using advanced troubleshooting skills to diagnose issues with java applications, database, network connection, high availability, voice services, application performance, and connectivity. - Investigate technical issues specific to the Java runtime and Linux environment, including JVM tuning, memory management, thre...

Location: Remote / India (Nagpur preferred) Experience: 48 years Employment Type: Full-time About the Role We are building an advanced AI-driven voice automation platform, and our internal team already has strong expertise in AI, LLMs, cloud engineering, and backend development. The primary skill gap we want to fill is telephony infrastructure. We are hiring an experienced Asterisk / FreeSWITCH Engineer who can design, deploy, and maintain our VoIP and SIP-based telephony layer, and integrate it with our real-time AI backend. If you have built production telephony systems and enjoy solving SIP/RTP/media challenges, this role is for you. Key Responsibilities 1. Telephony Infrastructure (Core ...

As a Senior System Administrator (VoIP) / Telephony Engineer at Telebu's Communications engineering Team, you will play a crucial role in developing, implementing, and supporting IP Telephony related technologies. This includes working on a range of solutions such as IP Telephony, IVR platforms, Conferencing solutions, Voice engineering integration, VoIP, SBC, SIP, WebRTC, and PSTN gateways. **Key Responsibilities:** - Develop and implement telephony networks with components like SIP proxies, registrar, media-servers, billing systems, etc. - Deploy SIP VOIP/PRI trunking solutions that are highly scalable, robust, high-availability (HA), and fault-tolerant. - Administer SIP and Media Servers,...

Job Title: System Administrator (VoIP/Telephony) / Telephony Engineer (Telecommunications) Company : Telebu Communications Location : Hitech city, Madhapur, Hyderabad Experience : 3-5 Years (Flexible based on skills) Employment Type : Full Time Salary : Up to CTC 50,000 About Telebu Communications Telebu is a 20+ year-old product-based technology company offering enterprise communication solutions across SMS, Chat, Voice & Video platforms. Formerly known as SMSCountry Networks, Telebu has offices across India, Bahrain, UAE, Saudi Arabia, Qatar & USA. Objective : We are looking for a System Administrator (VoIP) / Telephony Engineer (Telecommunications) to join our Telebu's Communications engi...

Whatsapp your resume at- 9319037707 ( Subject VOIP) We are hiring a VoIP Engineer (Level 2) with hands-on experience in Asterisk, FreePBX, FreeSWITCH, Kamailio, OpenSIPS , and strong knowledge of SIP, RTP, IVRs, and call routing logic . The role includes designing, deploying, optimizing, and troubleshooting VoIP systems using open-source telephony platforms and scripting logic using Asterisk Dialplans or Lua/JSON for FreeSWITCH . Key Responsibilities (Add exactly as below) Deploy, configure & manage Asterisk, FreePBX, FreeSWITCH, Kamailio, OpenSIPS Build and optimize IVRs and Call Routing Logic Develop dialplans using Asterisk or scripting via Lua/JSON (FreeSWITCH) Troubleshoot SIP signaling...

Configure and manage FreeSWITCH, Develop and modify dial plans using XML, LUA or custom logic Required Candidate profile Experience WebRTC, Kamailio, OpenSIPS Set up SIP trunks, DID routing, IVRs, queues, agents, and dial plans Debug with Wireshark, tcpdump, SIP traces Integrate VoIP platforms with CRMs (REST/WebSocket)

Experience: 3+ Years Job Description: Desired Skills Good understanding of TCP/IP protocol stack and practical knowledge of VLAN / L3 VPNs Very good knowledge on SIP / SDP protocol / RTP / SRTP / TLS protocols Must have knowledge in OpenSIPS or Kamailio Good experience in Freeswitch, Asterisk Must have experience with C / C++ programming language Must have knowledge in diameter Experience in MySQL, MongoDB Sound knowledge of IMS call flow Standard features of Enterprise Communication Servers (PBXs) Problem Troubleshooting and debugging techniques Review work of resources Good in Written and verbal communication Nice to Have Inter-process communication, API design, message queues Experience i...

Job Title: FreeSWITCH and WebRTC Engineer (Multi-Tenant, LCR, API Integration, Kamailio/OpenSIPS) Location: Hyderabad, India Experience: 36 Years Employment Type: Full-Time Position Overview We are seeking an experienced FreeSWITCH and WebRTC Engineer with expertise in building and maintaining multi-tenant VoIP systems, implementing Least Cost Routing (LCR), and integrating with SIP routing engines such as Kamailio or OpenSIPS. This is a hands-on role that requires in-depth knowledge of SIP, RTP, NAT traversal, scalable system design, and VoIP architecture. You will be responsible for WebRTC integration, API development, and creating seamless communication with third-party platforms like CRM...

As a Junior System Administrator (VoIP) / Telephony Engineer at Telebu Communications, you will be responsible for developing, implementing, and supporting IP Telephony related technologies. This includes working on IP Telephony, IVR platforms, Conferencing solutions, Voice engineering integration, Voice over IP (VoIP), Session Border Controllers (SBC), Session Initiation Protocol (SIP), WebRTC, and Public Switched Telephone Network (PSTN) gateways. **Key Responsibilities:** - Develop and implement telephony networks with various components such as SIP proxies, registrar, media-servers, billing systems, etc. - Develop and deploy SIP VOIP/PRI trunking solutions that are highly scalable, robus...

Job Title: VOIP Expert Job Summary: We are seeking an experienced VoIP Expert to lead the design and delivery of VoIP-based communication solutions. The ideal candidate will have extensive experience in architecture, deployment, and optimization of VoIP systems and will collaborate with cross-functional teams to deliver a robust and scalable communication infrastructure. Key Responsibilities: VoIP Architecture Design : Design end-to-end VoIP architecture that aligns with business requirements and ensures high availability, scalability, and security. Solution Development : Develop VoIP solutions, including Unified Communications (UC) platforms, SIP trunking , and cloud-based or on-premise PBX...

As a VoIP Developer at Asergis Global Services, you will be responsible for designing, implementing, testing, and supporting a worldwide IP service platform and associated VoIP, Video, and data applications. Asergis is looking for candidates who are passionate about VoIP development, possess innovative design ideas, and have telecom network experience. Your role will involve working with Freeswitch and Kamailio, developing innovative ideas to push VoIP to the next level. **Key Responsibilities:** - Liaise closely with the Infrastructure team for the technical delivery and maintenance of servers, enhancements, and developments - Work on Freeswitch and Kamailio developments - Gather informatio...

Responsibilities: * Design, implement & maintain Asterisk-based solutions using VOIP, Freeswitch, Kamailio, SIP, Telo technology. * Collaborate with cross-functional teams on call center tech projects.

Techila Global Services is hiring AEM + Java Developers to join our high-performing Digital Engineering team. The ideal candidate will have strong experience in Adobe Experience Manager (AEM) development and a solid foundation in Core Java / Spring Boot, building scalable, high-performance web solutions. Location: Viman Nagar, Pune (5 days working from office and alternate Saturday work from home) Key Responsibilities Design, develop, and maintain components, templates, and pages in Adobe Experience Manager (AEM). Build custom AEM components using HTL (Sightly), Sling Models, and Sling Servlets. Integrate AEM with backend systems and third-party APIs using Java, Spring Boot, and RESTful Web ...

Role & responsibilities Cyara is the worlds leading Automated CX Assurance Platform provider, enabling leading brands across the globe to build better customer experiences faster. Through automated testing and monitoring, Cyara accelerates the delivery of flawless customer journeys across digital and voice channels while reducing the risk of customer-facing defects. Every day the most recognizable brands, including Airbnb and NAB trust Cyara to deliver customer smiles at scale. Our promise is Customer Smiles - Delivered at Scale, and as a member of Cyara’s team, you’ll be given the opportunity to bring that mission to fruition alongside our amazing community of fun-loving forward thinkers. I...

Netstratum is a global product development company specializing in custom software and enterprise IT services. With teams across ten global locations, we combine local insight with global expertise to deliver innovative, purpose-driven solutions. As a leader in telecom tech, we build secure, high-performance Unified Communication Systems used by Tier-1 providers, enterprises, and governments. Our in-house AI platform is built for scale, security, and real-world impact. Join a vibrant, diverse team working on cutting-edge projects in telecom, AI, IoT, and digital transformationwithin a fast-paced, learning-focused environment. www.netstratum.com Location : Kochi, Kerala Experience : 3+ Years ...

Design and implement backend services for dialer logic, call routing, and CRM integration. Design and implement backend services for dialer logic, routing, and CRM integration. Collaborate with DevOps for cloud deployment and CI/CD pipelines. Required Candidate profile Familiarity with predictive/progressive dialer algorithms Experience with CRM integrations (Salesforce, Zoho) Knowledge of analytics tools Experience with CRM integrations (Salesforce, Zoho) Perks and benefits 10-15 Lacs