Network Voice
TCS
4 - 10 years
Chennai
Posted: 01/07/2026
Job Description
TCS has been a great pioneer in feeding the fire of young techies like you. We are a global leader in the technology arena and there's nothing that can stop us from growing together.
What we are looking for
Role:Network Voice
Location: Chennai
Exp: 4-10 yrs
Must have:
- Hands-on experience in Cisco (CUCM, Unity, UCCX) or Avaya voice platforms. Ability to manage enterprise telephony infrastructure including call routing and dial plans.
- Strong understanding of VoIP architecture, SIP, RTP/RTCP protocols, and call flows. Ability to troubleshoot call connectivity, latency, and voice quality issues.
- Experience in handling P1/P2 incidents related to voice services. Ability to perform root cause analysis and ensure quick restoration of business-critical communication systems.
- Experience in configuring and managing voice gateways, session border controllers (SBC), and PSTN integration. Ensures seamless external/internal communication.
- Strong knowledge of QoS policies and network prioritization for voice traffic. Ability to tune voice performance to minimize jitter, latency, and packet loss.
Good to have:
- Experience in integrating voice systems with MS Teams, Zoom, or UC platforms. Enhances enterprise collaboration environment.
About Company
Tata Consultancy Services (TCS) is one of the largest multinational IT services and consulting companies in the world, headquartered in Mumbai, India. It operates in over 50 countries and is a part of the Tata Group, India's largest business conglomerate. TCS offers a wide range of services including software development, consulting, digital transformation, and business solutions, serving industries such as finance, healthcare, retail, and telecommunications. Known for its global reach, technological expertise, and innovation, TCS is consistently ranked among the top IT services companies globally.
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