Abinaya Rajarathinam
Reading
Summary
Experienced VoIP Engineer with analytical skills in problem-solving and a systematic approach to telecom technologies. Over 5 years of expertise in VoIP/SIP development, including SIP, RTP, and call control protocols. Adept at handling complex tasks and providing technical assistance, with a strong background in PBX call control modules and customer-centric approaches.
Overview
6
6
years of professional experience
1
1
Certification
Work history
VoIP Engineer
Tata Consultancy Services
Chennai, India
12.2012 - 10.2018
- Contributed to the design and development of Call Control Processing software for the OmniPcx Enterprise Pbx solution.
- Handled analysis, design, development, unit testing, and documentation for various OXE enhancements.
- Demonstrated a track record of handling complex and high-priority tasks, efficiently investigating network major incidents, and providing technical assistance.
- Worked on significant projects including SEPLOS Video, SIP Video, SIP trunk License bypass for Rainbow, Transit of Diversion header, Call Waiting Indication, UTF8 in SIP, and 302 support for call Forward on SIP trunking.
- Wrote scripts for patch upgrades on call servers (Shell Scripting).
- Conducted demonstrations on SIP video and SEPLOS video features during Alcatel-Lucent Enterprise's open day in France.
- Actively participated in every stage of the Software Development Life Cycle (SDLC), with experience in both Waterfall and Agile methodologies
- Drafted comprehensive technical documentation for each enhanced feature.
- Mentored new team members to develop their skills in PBX software.
- Utilized a wide range of tools, including Visual Studio, Microsoft Office, Jira, Ethereal/Wireshark/Tcpdump, Cygwin, Xming, Teamware, Mercurial, IBM ClearQuest, Code Collaborator, Review Management System, Source Navigator, SIP Inspector, and Zoiper
Education
Bachelor of Engineering - Electronics and communicaton
K.S.Rangasamy College of Technology
Coimbatore,IndiaHigher Secondary -
Vellalar Matriculation Higher Secondary School
Skills
- VoIP (SIP, SDP, RTP)
- Audiocodes SBC
- Troubleshooting SIP messages
- Protocols: ISDN, Q931, ABCF
- Customer interaction
- Technical leadership
- Analysis and design
- Team mentoring
- Programming: C, C, Shell Scripting
- Installation and Troubleshooting of ALE Product (OXE)
- Voice codecs (G711, G729, G722) -
- Network troubleshooting -
- Decision making
- Complex problem-solving
- Presentations & communication
- Project delivery
IT Skills: Microsoft Office, Jira, Ethereal/Wireshark/Tcpdump, Cygwin, Xming, Teamware, Mercurial, IBM ClearQuest, Code Collaborator, Review Management System, Source Navigator, SIP Inspector, Zoiper
Accomplishments
- Client appreciation on multiple occasions for exceptional performance.
- "Star of the Month" award for successful completion of the SIP video for SEPLOS feature.
- "Best Team Award" for successfully completing the Support of IUU in SIP feature.
- "On the Spot Award" for providing product training to project newcomers.
- "On the Spot Award" for establishing SIP ISDN connections between Chennai, India, and Coulombs, France.
- "Star of Quarter Award" for developing features UTF8 in SIP and Video in SIP Trunking, along with fixing numerous high-priority customer escalations.
Certification
SIP certification by SSCA
Timeline
VoIP Engineer
Tata Consultancy Services
12.2012 - 10.2018
Bachelor of Engineering - Electronics and communicaton
K.S.Rangasamy College of Technology
Higher Secondary -
Vellalar Matriculation Higher Secondary School
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