16 Opensips Jobs

As a Freeswitch Engineer with OpenSIPs, you will be responsible for leveraging your 3-5 years of hands-on experience in a production environment to deploy, configure, and maintain Freeswitch and OpenSIPs systems. Your technical expertise will include a strong understanding of Freeswitch configuration, dial plans, scripting languages (e.g., Lua, XML), and custom module development. You will also need extensive experience with OpenSIPs, focusing on SIP routing, load balancing, and SIP proxy configuration. Your role will require proficiency in troubleshooting VoIP issues, such as call routing, signaling, and media path problems. You should be familiar with SIP protocols, VoIP standards (RFCs), ...

As a VoIP Developer, you are expected to have a minimum of 3 years of experience in the field. Your responsibilities will include working with open source VoIP solutions like Asterisk, FreeSWITCH, OpenSIPS, and Kamailio. You should possess a strong understanding of PSTN lines and be proficient in VoIP and SIP technologies. Your role will involve the installation and configuration of various products, so prior experience in this area is essential. Proficiency in tools such as wireshark, tcpdump, sipp, fail2ban, and IPtables is required. You must have excellent analytical and troubleshooting skills to identify and resolve issues effectively. A good grasp of databases, including Mysql and Mongo...

You are Hiring for the position of VoIP Developer at Vitel Global Communications Pvt Ltd in Hyderabad. As a VoIP Developer, you will be responsible for developing and maintaining VoIP applications, ensuring the smooth functioning of VoIP services, and optimizing communication channels for secure and efficient operations. To excel in this role, you should have proven experience in VoIP development with expertise in VoIP protocols such as SIP, RTP, and WebRTC. Your strong programming skills in languages like Python, C/C++, Java, or Lua will be essential for creating VoIP applications. Additionally, you should be adept at working with platforms like Asterisk, FreeSWITCH, OpenSIPS, or similar sy...

Position Summary : The candidate suitable for this role of Senior Software Engineer will be responsible for leading the development and implementation of complex software solutions. This role involves a high level of technical expertise and the ability to guide and mentor junior team members. The Senior Software Engineer will collaborate with cross-functional teams to define, design, and ship new features while maintaining high standards of software quality. Key Responsibilities : - Design and develop high-volume, low-latency applications for mission-critical systems, delivering high availability and performance. - Contribute to all phases of the development lifecycle, from concept and desig...

As a skilled FreeSWITCH Developer with experience in OpenSIPS and/or Kamailio, you will join our core VoIP engineering team. In this hands-on role, you will be responsible for architecting, building, and maintaining robust SIP-based communication systems. If you are excited about solving complex signaling challenges and scaling VoIP infrastructure, this is the right opportunity for you. Your responsibilities will include building and maintaining scalable VoIP services using FreeSWITCH, configuring and managing SIP proxies (OpenSIPS, Kamailio) for routing, load balancing, and NAT traversal. You will also develop and fine-tune dialplans, call flows, and scripts in Lua, Python, or JavaScript. T...

We are seeking an experienced Dialer Engineer with 3-5 years of expertise in VoIP & Dialer System, focusing on constructing, customizing, and enhancing dialer platforms for large-scale contact center solutions. The perfect candidate will possess profound knowledge in Vicidial, Asterisk, FreeSWITCH, OpenSIPS, and Kamailio, coupled with practical experience in integrating CPaaS and Telephony APIs. Your responsibilities will include installing, configuring, and tailoring Vicidial / GoAutoDial / other dialer systems, managing and optimizing Asterisk / FreeSWITCH / OpenSIPS / Kamailio for call routing and SIP services, implementing and refining Predictive Dialer, Auto Dialer, IVR, and Call Routin...

Key Responsibilities: Design, configure, and maintain OpenSIPS as SIP proxy/registrar/load balancer. Develop and customize FreeSWITCH for call routing, IVR, conferencing, and advanced VoIP features. Implement SIP, RTP, WebRTC integrations with high availability and redundancy. Optimize system performance for low latency and high concurrent call handling . Troubleshoot signaling and media issues using SIP traces, Wireshark, sngrep, Homer, etc. Collaborate with network/security teams for NAT traversal, TLS/SRTP, and firewall policies . Work with developers for API integrations (REST, XML, ESL) and billing systems . Ensure system scalability, failover testing, and load balancing . Required Skil...

Job Profile:- We are looking for an experienced Dialer Engineer with 3-5 Years of experience in VoIP & Dialer System , who specializes in building, customizing, and optimizing dialer platforms for large-scale contact center solutions. The ideal candidate should have strong expertise in Vicidial, Asterisk, FreeSWITCH, OpenSIPS, and Kamailio , along with hands-on experience in integrating CPaaS and Telephony APIs . Typical work week looks like:- Install, configure, and customize Vicidial / GoAutoDial / other dialer systems Manage and optimize Asterisk / FreeSWITCH / OpenSIPS / Kamailio for call routing and SIP services Implement and fine-tune Predictive Dialer, Auto Dialer, IVR, and Call Routi...

The company is looking for a motivated and technically inclined NOC Engineer (Entry-Level) to join the Network Operations team in New Town, Kolkata. This is an excellent opportunity for recent graduates or individuals with relevant certifications/projects in Asterisk, VoIP, Networking, or Linux to kickstart their career in the telecom industry. As a part of the team, you will collaborate with senior engineers, receive on-the-job training, and contribute to building, maintaining, and supporting telephony infrastructure and services. Your role will require a basic understanding of VoIP and telephony protocols like SIP, familiarity with Linux-based systems such as Ubuntu/CentOS, basic networkin...

Sr. Software Engr–VoIP (3+ yrs), SIP, RTP, Asterisk/Freeswitch, Kamailio, WebRTC, AWS, Golang, REST APIs, DevOps, MySQL, Linux. Prod-grade VoIP dev exp a must. C2H via TE Infotech (Exotel), Convertible to Permanent, Loc:BLR @ ssankala@toppersedge.com

We are seeking a skilled and dedicated FreeSWITCH Engineer with hands-on experience in VoIP systems to join our team. As a FreeSWITCH Engineer, you will be instrumental in the development, configuration, and maintenance of scalable and reliable FreeSWITCH-based voice infrastructures. Your responsibilities will include designing, deploying, and maintaining FreeSWITCH servers and related VoIP infrastructure. You will troubleshoot and resolve FreeSWITCH and VoIP-related issues, develop custom dial plans, modules, and call routing logic, and work with SIP, RTP, and related VoIP protocols. Monitoring system performance, ensuring high availability, collaborating with development, network, and supp...

You should have a minimum of 6 months to 5 years of experience in the field. Your qualifications must include a good understanding of VoIP and SIP, a strong grasp of Linux OS (CentOS/Redhat), and practical experience with at least one open-source VoIP solution such as Freeswitch, Asterisk, OpenSIPS, or Kamailio. Proficiency in troubleshooting using tools like Wireshark, tcpdump, sipp, fail2ban, and IPtables is essential. It is important to have a solid grasp of networking concepts and good troubleshooting skills. In addition, knowledge of MySQL Database and experience with Database Replication & Heartbeat configuration would be beneficial. Your communication skills should be excellent, and y...

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 st...

Are you passionate about cloud telephony, VoIP systems, and building next-gen PBX solutions? Were looking for a skilled FreeSWITCH Developer to help us develop a robust and scalable PBX panel for enterprise-level deployments. Key Responsibilities: • Design, develop, and maintain tools supporting a scalable cloud telephony infrastructure. • Customize FreeSWITCH for audio/video conferencing, capable of 1000 to 1500 concurrent calls. • Deep understanding of SIP, RTP, RTCP, NAT traversal (TURN/STUN), and TLS encryption. • Build and deploy multiple FreeSWITCH instances behind load balancers for high availability. • Analyze media stream issues using tools like Wireshark and debug SIP signaling err...

Position Summary : The candidate suitable for this role of Senior Software Engineer will be responsible for leading the development and implementation of complex software solutions. This role involves a high level of technical expertise and the ability to guide and mentor junior team members. The Senior Software Engineer will collaborate with cross-functional teams to define, design, and ship new features while maintaining high standards of software quality. Key Responsibilities : - Design and develop high-volume, low-latency applications for mission-critical systems, delivering high availability and performance. - Contribute to all phases of the development lifecycle, from concept and desig...

Software Engr(Backend+VoIP, 3–5 yrs), SIP/SDP/RTP/RTCP, Asterisk/Freeswitch, Kamailio/Opensips,WebRTC,REST APIs,Golang/Ruby/C++, AWS/GCP/Azure, MySQL/Postgres,DevOps (K8s/Terraform/Ansible). C2H via TE Infotech(Exotel), BLR. @ssankala@toppersedge.com