Inter-operable telecom testing between different IP PBX(Avaya Aura,Nortel,Alcatel,Mitel,GenesysPureCloudMicrosoft Teams and Webex Teams), service Providers(At&T, CenturyLink, Verizon, Vodafone, IntelePeer.Optus,Telstra,Verasity,Node4,IP Austria,etc..), Session Border Controller(CUBE, AudioCodes, Sonus, Avaya SBC and Oracle) vendors and enterprise customers integration, application developers, and support through tekVizion Labs.

>Providing tier III technical support to Avaya Business partners and customers for Nortel CS1k and Avaya CM>Typically responsible for resolving moderately to highly complex technical problems, depending on the customers' issue/need>Simulate technical issues in lab environment using customer database>Writing KB knowledge base sharing with other people for learning and problem solving techniques> Escalate product specific problems to the responsible Business Units called product house for product enhancement>Work closely with our colleagues and manager to achieve common goals>Responsible for maintaining some Avaya servers in lab to make sure for who reserved for the project and duplicate the issue upon design team request

Provided remote/field support to customers/field engineers for installation,configuration and troubleshooting of Avaya-voice and data products.

Worked as a resident engineer in TCS, Trivandrum for handling Networking related issues for voice and data.Worked as a resident engineer in RRDonnelley for handling Avaya, Nortel products, and providing technical support for Remote sites.Enterprise Network Solution - VoiceNortel PBX - 11c 61cCommunication Manager 1000 M (CS1K)Nortel Digital phones and Nortel IP phoneITG CardCall PilotSymposium ServerMeridian MailBCM 50Polycom Conference PhoneNortel Passport 7480