Karunakar K

An enthusiastic Cisco Collaboration engineer with the necessary drive and determination needed to resolve complex routing and networking issues. Possessing effective organizational skills and excellent working knowledge of Cisco Collaboration. Currently working with HCL Technologies as a Consultant, holding an experience 12 years and 6 months in voice and Networking. As an effective communicator with a strong passion for technology, customer service and experience in implementation of services, I am looking to be part of a progressive and technology driven organization. with a proven track record of efficiently completing tasks in various settings.

• Cisco Certificate Internetworking Expert Collaboration Engineer with CCIE#64520
• Cisco Certified Network Associate (200-120)
• CCNA Voice certification (640-461)
• CCIE collaboration written
• Cisco ID: CSCO12646564
• MS-720: Microsoft Teams Voice Engineer

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• Two times Master Mind award for not getting DSAT from customer for 2 years
• Been part of team CP (Colgate Palmolive) awarded for Best Team for month of November 2013
• Awarded with excellent grades consistently in the appraisals

• Administration of Microsoft Teams portal
• Resolving Customer issues on Genesys Cloud
• Resolving complex issues on Ribbon, Perimeta and Audiocodes
• IOS upgrade for Voice Gateway, Upgrading of CUC, CUCM and uploading of locale
• Troubleshooting incoming and outgoing calls, Progress tones PSTN and ISDN, TFTP, DHCP and auto attendant issues
• Troubleshooting voice gateways (H.323, MGCP, SCCP); VoIP and POTS dial peers on Cisco Voice router
• Implementation and troubleshooting of Cisco Unity Server, Unity Connection i.e. Call Handlers, Direct and forwarded call routing, MACs Related to VM profiles
• Firmware upgrade for IP Phones
• Forced Toll By-pass configuration
• Standardization of the sites
• Worked on Monitoring Tools (RTMT, Cisco Operational Manager and Prognosis Tool)
• Configurations of Dial Plans, Route Patterns, Translation patterns, Hunt pilots, Conferencing, Time of day routing and licensing
• EM Profiles, Features on Cisco IP Phone (CIPC, 797X, 7911, 796X, 794X) Like SNR, IPMA, Speed Dials, Configuration of phone button Template, soft key template, call forwarding
• CDR Reporting on Monthly Basis for VoIP and PSTN calls
• Implemented Unity Connection and Voice gateway in one of customer location
• Perform client consultation: plan, design, implement and support the voice infrastructure
• Managing Client’s IP Telephony network globally
• Responsible for Day2day Operations
• Ensure quality, accuracy and timely resolution of the problems
• Participating in client meetings and building Governance Model to improve the process
• Responsible for providing RCA for problem management tickets
• Configuring and troubleshooting of Voice Gateways, and call signalling protocols on Voice
• Hands-on experience on RTMT tool, DNA, CDR CUBE & Voice Gateways
• Troubleshooting of voice interfaces: FXS, FXO, and ISDN, T1/E1 PRI
• Identifying the reason for the outage and coordinating with ITSP/Carrier/Client/Vendor for an immediate restoration
• Managing and troubleshooting call routing issues such as Numbering Plans, Calling Privileges, etc. Coordinating with Cisco TAC to resolve complex issues with respect to Unified Communication and Collaboration
• Creating and Handling Daily and monthly Operations Reports
• Moving, Adding, Configuring and Deleting Cisco IP phones, softphones & Jabber
• Configurations, Managing, and Troubleshooting of special features like hunt groups, Extension mobility, call pickup groups etc.
• Conducting Training and Knowledge transfer for the junior Engineers
• Handling Escalations

• Date of Birth: 05/09/91
• Gender: Male
• Nationality: Indian

English and Telugu

Verizon HCS Project for UCCaaS (same project in HCL and Verizon), 30, Tier 2 Engineer, Working on Certificate renewal, resolving of the complex routing issue and supporting the network project Pfizer, 20, Senior Network Engineer Voice, An active team member for Global IP Telephony migration, deployment and support project which has over 100 sites across 90 countries, the responsibilities include: Colgate Palmolive, 7, Team Lead, An active team member for Global IP Telephony migration, deployment and support project which has over 200 sites across 140 countries, the responsibilities include

Microsoft Teams,

CUCM,CUC,UCCX,CUCE, IMP, Attendance Console, Voice gateways H323 , SIP , MGCP

Cisco WebEx,

Carrier Enterprise Trunk,

Genesys Cloud Contact Center,

Ribbon, Sonus, Audiocodes, Perimeta, Oracle SBC,

Networking Router and Switches, Firewall,

Jabber