Kamailio (VOIP) Engineer
Univoxx
Kamailio (VOIP) Engineer at Univoxx · Ahmedabad · 2 - 5 years · ₹2L - ₹10L / yr · Posted 24 Sep 2024
2 - 5 yrs
₹2L - ₹10L / yr
Ahmedabad
Skills
FreeSWITCH
Voice Over IP (VoIP)
About the job
As a Senior SIP Engineer, you must take complete ownership of supporting all VoIP infrastructure, debugging issues related to specific servers or software, or remote clients such as SIP devices (both virtual such as soft-phone or WebRTC client, and physical such as a desk phone or an on-premise PBX), and providing fixes.
- Support customers during EST timezone during critical releases or emergency incidents 5+ yrs of supporting global VoIP services and/or applications on cloud-based servers.
- Expertise in SIP call flow analysis and debugging Expertise in setup and maintaining SIP-based monitoring, debugging, and alerting services
- Experience scripting call flow, dialplan, and custom routing with FreeSwitch using LUA and XML
- Experience in debugging Kamailio and Freeswitch-based applications is a must Good problem-solving and analytical skills Excellent written and verbal communication
- Experience working with open-source projects
- Exposure to SIP Carrier Integration
- Advanced Experience with cloud media infrastructure (load balancers, gateways, SBCs, STUN, TURN)
- Advanced Knowledge of all modern VoIP protocols/platforms including (SIP, RTP stack & SDP, RTCP, TCP, UDP, SIP, HTTPS, SSL/TLS)
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Network
Cisco Certified Network Associate (CCNA)
SBC
Voice Over IP (VoIP)
Key Responsibilities
- Design, configure, administer, and troubleshoot Cisco Voice and Collaboration environments.
- Hands-on experience with Cisco CUCM (Call Manager) administration, configuration, upgrades, and troubleshooting.
- Manage and support Cisco Unity Connection for voicemail and unified messaging.
- Configure and troubleshoot Ribbon SBC / PSX for SIP signaling, call routing, and voice connectivity.
- Troubleshoot SIP, RTP, TCP/IP, DNS, and voice call-flow issues.
- Configure and maintain Cisco IP Phones, gateways, trunks, dial plans, route patterns, translation patterns, and partitions/CSS.
- Monitor voice infrastructure and resolve incidents, service requests, and performance issues.
- Perform voice platform upgrades, patching, migrations, and production changes.
- Work with network, security, and application teams to resolve complex voice and connectivity issues.
- Maintain technical documentation, configuration standards, and operational procedures.
Required Skills
- Strong experience in Cisco Voice / Collaboration technologies.
- Cisco CUCM – Administration and troubleshooting.
- Cisco Unity Connection – Administration and troubleshooting.
- Ribbon SBC / PSX – Configuration and troubleshooting.
- Strong knowledge of SIP, RTP, VoIP, TCP/IP, DNS, and networking fundamentals.
- Experience with SIP Trunks, dial plans, gateways, route patterns, and call routing.
- Good troubleshooting and incident management skills.
- Exposure to monitoring tools and ITIL-based support processes is an added advantage.
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Shubham Vishwakarma
Full Stack Developer - AverlonI had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
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