15 Sip Signaling Jobs

About The Company Tata Communications Redefines Connectivity with Innovation and IntelligenceDriving the next level of intelligence powered by Cloud, Mobility, Internet of Things, Collaboration, Security, Media services and Network services, we at Tata Communications are envisaging a New World of Communications The role is intended for a Software Engineer who would be involved in evolving & sustaining multiple highly available - applications. These applications are in the telecom realm, and have internal to enterprise facing components, public facing components SBU: CCS Function: Business Collaboration Grade: B3-2 Location: Pune-Dighi Position Title: Sr. Lead Reports to (Title): Sr. Manager ...

The role is intended for a Software Engineer who would be involved in evolving & sustaining multiple highly available - applications. These applications are in the telecom realm, and have internal to enterprise facing components, public facing components SBU: CCS Function: Business Collaboration Grade: B3-2 Location: Pune-Dighi Position Title: Sr. Lead Reports to (Title): Sr. Manager Total Staff Controlled: 0 I) Position Summary Help support the full lifecycle of the applications. These applications cater to TATAs portfolio of Voice & Fraud Services. Contribute to software design and development of platform as per business requirements. Work with architects to define roadmaps for tech. upgra...

Innovatia Technical Services Inc. (ITSI) is an industry-leading technology outsourcing support provider with expertise in the telecommunications industry. Operating for over 20 years, we specialize in workflow and knowledge processes, as well as technical support, helpdesk and multilingual support services. With over 300 professional experts across the globe, we service some of the worlds most successful Fortune 500 and Fortune 1000 companies. We are looking for a highly skilled Nortel Tier 3 Support Engineer to provide expert-level remote support for enterprise telephony and unified communications environments. This role involves handling critical escalations , performing root cause analysi...

As a Fault Management Engineer, you will be responsible for deploying, optimizing, and maintaining Voice over LTE (VoLTE) networks. A deep understanding of VoLTE architecture, IMS (IP Multimedia Subsystem), SIP signaling, and network performance optimization is essential. You will also be responsible for adhering to agreed service level agreements (SLAs). HOW YOU WILL CONTRIBUTE AND WHAT YOU WILL LEARN You will manage faults, ensuring error-free operation of IMS and Cloud networks, specifically within the VoLTE, Cloud, and UDM domains. You will possess comprehensive troubleshooting skills, analyzing and resolving complex issues related to SIP signaling, call flows, and IMS/UDM components (Au...

Job Description 7+ years of hands-on VoIP engineering experience, with a strong focus on carrier SIP trunking and interoperability. Expert-level knowledge of SIP signaling (INVITE, BYE, REGISTER, re-INVITE, UPDATE, PRACK, REFER, etc.), SDP negotiation, RTP/RTCP, and SIP headers. Proven ability to troubleshoot complex SIP interoperability issues across different carrier platforms and SBCs.Strong experience with Session Border Controllers (SBCs) and SIP proxies (e.g., Ribbon, AudioCodes, Oracle/Acme Packet, OpenSIPS,Kamailio, etc.). Proficiency with diagnostic tools: Wireshark, sngrep, Homer/HEP, SIPp, Empirix, etc. Solid networking knowledge: IP, DNS, subnetting, VLANs, routing protocols. Str...

You have over 7 years of hands-on VoIP engineering experience, focusing mainly on carrier SIP trunking and interoperability. Your expertise lies in SIP signaling (INVITE, BYE, REGISTER, re-INVITE, UPDATE, PRACK, REFER, etc.), SDP negotiation, RTP/RTCP, and SIP headers. You should have a proven track record of troubleshooting complex SIP interoperability issues across different carrier platforms and SBCs. Your experience should also include working with Session Border Controllers (SBCs) and SIP proxies such as Ribbon, AudioCodes, Oracle/Acme Packet, OpenSIPS, Kamailio, etc. Proficiency in using diagnostic tools like Wireshark, sngrep, Homer/HEP, SIPp, Empirix, etc., is essential. Additionally...

Sprinklr is a leading enterprise software company for all customer-facing functions. With advanced AI, Sprinklr's unified customer experience management (Unified-CXM) platform helps companies deliver human experiences to every customer, every time, across any modern channel. Headquartered in New York City with employees around the world, Sprinklr works with more than 1,000 of the world's most valuable enterprises global brands like Microsoft, P&G, Samsung and more than 50% of the Fortune 100. Learn more about our culture and how we make our employees happier through The Sprinklr Way. Job Description What Does Success Look Like We are seeking a Lead Product (Software) Engineer-VoIP to design ...

As a VoIP Engineer with 7+ years of experience, your role will involve a strong focus on carrier SIP trunking and interoperability. You are expected to have expert-level knowledge of SIP signaling such as INVITE, BYE, REGISTER, re-INVITE, UPDATE, PRACK, REFER, etc. Additionally, you should be well-versed in SDP negotiation, RTP/RTCP, and SIP headers. Your proven ability to troubleshoot complex SIP interoperability issues across different carrier platforms and SBCs will be crucial in this role. Key Responsibilities: - Hands-on experience with Session Border Controllers (SBCs) and SIP proxies like Ribbon, AudioCodes, Oracle/Acme Packet, OpenSIPS, Kamailio, etc. - Proficiency in using diagnosti...

Job Description 7+ years of hands-on VoIP engineering experience, with a strong focus on carrier SIP trunking and interoperability. Expert-level knowledge of SIP signaling (INVITE, BYE, REGISTER, re-INVITE, UPDATE, PRACK, REFER, etc.), SDP negotiation, RTP/RTCP, and SIP headers. Proven ability to troubleshoot complex SIP interoperability issues across different carrier platforms and SBCs.Strong experience with Session Border Controllers (SBCs) and SIP proxies (e.g., Ribbon, AudioCodes, Oracle/Acme Packet, OpenSIPS,Kamailio, etc.). Proficiency with diagnostic tools: Wireshark, sngrep, Homer/HEP, SIPp, Empirix, etc. Solid networking knowledge: IP, DNS, subnetting, VLANs, routing protocols. Str...

Role Overview: You have 7+ years of hands-on VoIP engineering experience, with a specific focus on carrier SIP trunking and interoperability. Your expert-level knowledge includes understanding SIP signaling such as INVITE, BYE, REGISTER, and other related protocols, SDP negotiation, RTP/RTCP, and SIP headers. You must have proven abilities to troubleshoot complex SIP interoperability issues across various carrier platforms and Session Border Controllers (SBCs). Your experience with SBCs and SIP proxies like Ribbon, AudioCodes, Oracle/Acme Packet, OpenSIPS, Kamailio will be beneficial in this role. Proficiency in diagnostic tools such as Wireshark, sngrep, Homer/HEP, SIPp, and Empirix is requ...

You will lead the design and development of Voice Services over NB-IoT, focusing on building and optimizing Voice Gateway signaling components and media session setup. Your role will involve implementing CSFB-SS7 (I1 protocol) for integration with NTN carriers and 3GPP IMS Core, as well as developing a scalable Voice Gateway Server with CSFB-I1 and SIP/SDP interworking functions. Integration of third-party SIP/SDP protocol stacks for seamless operation and optimizing voice services for low-bandwidth networks will be essential. You will be responsible for supporting thousands of SIP sessions with interworking to MNO SBC and IMS networks. Defining and executing test cases, automation, and code...

As a Senior Specialist Software Engineer at NiCE, you will be a key member of the software development team, bringing your expertise in C++ and .NET technologies to design, develop, and maintain high-performance software applications. Your role will involve applying software development best practices, staying updated with the latest technologies, providing technical guidance to team members, conducting code reviews, and optimizing application performance. You will be working on large-scale applications, managing complex codebases, and utilizing AWS cloud services for development, deployment, and monitoring. Collaboration with cross-functional teams, effective communication skills, and adher...

The role available is a direct position with our esteemed client where you will lead the design and development of Voice Services over NB-IoT. Your responsibilities will include building and optimizing Voice Gateway signaling components and media session setup, as well as implementing CSFB-SS7 (I1 protocol) for integration with NTN carriers and 3GPP IMS Core. You will be tasked with developing a scalable Voice Gateway Server with CSFB-I1 and SIP/SDP interworking functions, integrating third-party SIP/SDP protocol stacks for seamless operation, and focusing on optimizing voice services for low-bandwidth networks. Additionally, you will support thousands of SIP sessions with interworking to MN...

What You ll Do: Implement core voice capabilities using FreeSWITCH, Kamailio/OpenSIPs, and RTPEngine. Build and optimize SIP call routing logic, RTP media relays , failover mechanisms, and NAT traversal. Develop and manage configurations for scalability, codec negotiation, SIP trunk registration . Implement and test features like call recording, IVR, voicemail, DTMF detection. Monitor live traffic and participate in 24x7 on-call rotation for critical escalations. Collaborate with QA on stress/load testing and with Backend teams on provisioning APIs. Document design decisions, configurations, and troubleshooting runbooks. What Makes You Qualified 5 to 9 years of experience building and operat...

What You ll Do: Implement core voice capabilities using FreeSWITCH, Kamailio/OpenSIPs, and RTPEngine. Build and optimize SIP call routing logic, RTP media relays , failover mechanisms, and NAT traversal. Develop and manage configurations for scalability, codec negotiation, SIP trunk registration . Implement and test features like call recording, IVR, voicemail, DTMF detection. Monitor live traffic and participate in 24x7 on-call rotation for critical escalations. Collaborate with QA on stress/load testing and with Backend teams on provisioning APIs. Document design decisions, configurations, and troubleshooting runbooks. What Makes You Qualified 5 to 9 years of experience building and operat...