17 Nat Traversal Jobs

Senior C++ VoIP Developer Must Have Domain: SIP/SDP, VOIP, SIP, RTP/RTCP, NAT Traversal, DTMF, Codecs Architecture: Microservice, Event based architecture Concepts: Concurrency, Data Structure, Memory Management, Design Patterns Protocol: UDP, TCP, Socket OS & Platform: Ubuntu, CentOS, Rocky Experience 5+ Years Qualification Bachelor's degree in Computer Science, Information Technology, or a related engineering field (or equivalent practical experience). Location Ahmedabad preferred or Mumbai

As a SIP Server Engineer/Asterisk Developer, your role will involve designing, configuring, and maintaining SIP-based communication systems. Your expertise in Asterisk, VoIP technologies, and real-time communication protocols will be crucial in ensuring the performance, security, and integration of these systems with enterprise platforms. Key Responsibilities: - Deploy, configure, and manage SIP servers (Asterisk, FreeSWITCH, or similar PBX systems). - Implement WebRTC solutions for browser-based real-time communication. - Develop and maintain SIP signaling flows, call routing, IVR, conferencing, and advanced telephony features. - Configure firewalls, NAT traversal, and optimize network setu...

Sprinklr is the definitive, AI-native platform for Unified Customer Experience Management (Unified-CXM), empowering brands to deliver extraordinary experiences at scale across every customer touchpoint. By combining human instinct with the speed and efficiency of AI, Sprinklr helps brands earn trust and loyalty through personalized, seamless, and efficient customer interactions. Sprinklr's unified platform provides powerful solutions for every customer-facing team spanning social media management, marketing, advertising, customer feedback, and omnichannel contact center management enabling enterprises to unify data, break down silos, and act on real-time insights. Today, 1,900+ enterprises a...

Voxvalley Technologies is a global telecom software provider empowering operators, MVNOs, aggregators, and enterprises across 20+ countries. With over a decade of innovation in CPaaS, UCaaS, CCaaS, and eSIM solutions, Voxvalley delivers high-performance communication platforms that drive digital transformation. About The Role We are seeking a Voice Engineer (Mid-level to Senior) with strong expertise in C/C++ programming, VoIP technologies, and Linux systems . You will play a key role in building and optimizing our next-generation Voice Engine that powers Voxvalley's CPaaS and Tringy platforms. This role involves end-to-end development, debugging, optimization, and deployment of real-time vo...

As a highly skilled Backend Developer specializing in WebRTC, your role will involve building and scaling the real-time communication infrastructure. You will be responsible for designing, building, and maintaining high-performance, scalable WebRTC backend services such as Signaling servers, STUN/TURN servers, and Media Servers (SFU/MCU). Your key responsibilities will include: - Core Infrastructure: Design, build, and maintain high-performance, scalable WebRTC backend services - Performance Tuning: Optimize network performance, latency, and stability for real-time UDP/TCP traffic - API Development: Develop and secure robust RESTful APIs for session management, room control, and application ...

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 ...

You have the opportunity to join Dassault Systmes, a global leader in Scientific Software Engineering, as a Unified Communications Engineer in Pune, Maharashtra. As part of the WW Unified Communications team, you will be responsible for supporting and enhancing corporate Unified Communication services such as Zoom Phone, Cisco Telephony, and Call Center. Your daily tasks will include administration operations, end-user support, defining, implementing, and operating the Unified Communications infrastructure within the Dassault Systmes eco-system. You will work in a worldwide environment with a focus on service availability and user experience. Your role will also involve participating in cont...

About us Exotel is a leading full-stack customer engagement platform and business-focused virtual telecom operator. Exotel has also recently received a virtual telecom operator license to offer cost-effective end-to-end VoIP telephony services, making the company a 100% compliant cloud calling operator. Exotel was founded in 2011 and has an impressive cloud-based product suite that drives 70 million conversations daily for more than 6000 businesses in India, Southeast Asia, the Middle East, and Africa. Today, Exotel's omnichannel contact centre, communication API suite, and conversational AI platform help some of the fastest-growing businesses in emerging countries manage customer engagement...

Role Overview: You are a highly skilled SIP Server Engineer/Asterisk Developer responsible for designing, configuring, and maintaining SIP-based communication systems. Your expertise in Asterisk, VoIP technologies, and real-time communication protocols will be utilized to ensure optimal performance, security, and integration with enterprise platforms. Key Responsibilities: - Deploy, configure, and manage SIP servers (Asterisk, FreeSWITCH, or similar PBX systems). - Implement WebRTC solutions for browser-based real-time communication. - Develop and maintain SIP signaling flows, call routing, IVR, conferencing, and advanced telephony features. - Configure firewalls, NAT traversal, and optimize...

Job Description You will be joining TechFastConsult as an Oracle SBC Engineer for a full-time hybrid role based in Mumbai, with some flexibility for remote work. Your primary responsibilities will include designing, implementing, and managing Oracle Session Border Controllers for clients. You will collaborate with cross-functional teams to ensure systems meet functional and non-functional requirements, troubleshoot and resolve issues, and maintain up-to-date documentation. Key Responsibilities - Installation and configuration of Oracle SBCs, including SIP trunks, access profiles, media profiles, and more. - Deep SIP expertise for call routing, troubleshooting, and protocol-level analysis. - ...

As a UCaaS Developer, you will be responsible for developing and optimizing WebRTC-based calling solutions using platforms such as Jitsi, Janus, or Zoom APIs. Your expertise in media servers will be key in efficiently handling real-time audio/video streaming. You will implement SIP, VoIP, and RTC protocols to ensure seamless communication. Integrating third-party UCaaS platforms like Twilio, Vonage, and Microsoft Teams will be part of your daily tasks. Your role will also involve designing and maintaining scalable and secure real-time communication applications. You will develop Node.js-based microservices for signaling, session management, and media control. Optimizing latency, bandwidth us...

You should have at least 3 years of experience in software testing, particularly focusing on VPN and WAN optimization products and networking technologies. Your responsibilities will include conducting thorough testing of various VPN protocols like OpenVPN, IPSec, IKEv2, WireGuard, etc. You will also execute end-to-end testing on VPN software across different platforms to ensure compatibility and stability. Furthermore, you will assess VPN performance under varying network conditions, focusing on latency, throughput, and connection stability. Identifying and evaluating potential security vulnerabilities in VPN implementations, testing WAN optimization technologies, and troubleshooting defect...

As a Unified Communications Engineer at Dassault Systmes in Pune, Maharashtra, you will have the opportunity to unlock your potential with a global leader in Scientific Software Engineering. In this role, you will collaborate with the WW Unified Communications team, specializing in various Collaboration Services such as Cisco Telephony, call center operations, and cloud telephony solutions. Reporting to the APAC UC Manager, you will play a key role in supporting and enhancing the corporate Unified Communication services, including Zoom Phone and Cisco Telephony. Working as part of a diverse team spread across Europe, Asia, and the US, you will be responsible for the daily administration oper...

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

You will play a key role as a VOIP Engineer at Advantmed, a prominent player in the US Healthcare sector. Your interpersonal skills and ability to connect with colleagues will be crucial in this collaborative environment. You will be responsible for designing, deploying, and managing VoIP systems utilizing platforms such as FreePBX, Genesys Cloud, and RingCentral. Your expertise will be utilized in maintaining and troubleshooting SIP trunks, call routing, and number provisioning. Additionally, you will implement and oversee fax solutions and support call center operations by optimizing IVR, call queues, and call flows with systems like Queue Matrix. Collaboration with cross-functional teams ...

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...

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