Cisco:• Supporting the MPP product and fixing of customer found defects• Working with TAC and support teams to analyze and fix customer issues.• Active on Cisco support forums.• Call control feature development for Cisco MPP devices.• Manage automation development team for preparing regression and sanity suite.• Regression and IOT test case automation suite preparation for MPP devices.• Architecture and design of basic device features.• Design and implementation of device infrastructure features.• Feature/device working demo for the customer• Working on extending interoperatability of Cisco endpoints with 3rd party providers like Broadsoft and Asterix.

T-Systems (Everything Everywhere):Consolidation of Genesys based call routing systems that are currently in place involving two operators (T-Mobile & Orange) onto a single shared call routing solution involving multiple vendors (Base7, Voxeo, Genesys and NICE). The Contact Centre Solution is based on VoIP/ SIP.Performing System Integration Testing (SIT), Operational Acceptance Testing (OAT) and supporting the Solution and Vendor teams in Test and Production Environment readiness.Worked on SIT & OAT extensively which included Estimate, TC design, environment readiness for testing and test execution based on the input/ requirements received from Solution team.Workedon CRs - Non-SRTP, IQ messages, MOH Issue etcResponsible for Sanity and System Integration testing in test environment and re-test of issues observed in production environment as part of OAT.As part of SIT tested - SIP Telephony, Call routing, Network routing, Inbound and Outbound calls (manual and Campaign) from Onshore and Offshore IP phones and validated SIP Server logs, Voxeo IVR logs and Genesys URS logs.Executed Default Routing tests after a SRP component failures, validation of terminating PCUI/Custom Call response for TMUK/OUK calls on the dialog towards the SCPOther features tested include validation of charging functionality messagesfrom SG and SCP, verification of Real time reports, near real time reports and Historical reports, CRM Screen pop for different brands (Merlin, Excalibur, CSS, and Tallyman). Agent configuration and defining skills for Agents, Configuring and testing Snom 320 and 720 phones.Developed test completion report for Operational Acceptance TestingDesigned and created test data.Handled Quality center activities and managed allthe SIT, OAT, UAT and load test defects.Tested the applications, servers and network stability of all involved servers and raised numerous show stopper defects.

Avaya:1. Worked as a Senior Software Developer and Tester at Wipro for Avaya. 2. Managed a team for 5 people.3. Provided on time support for issues and bugs seen at customer sites and bugs found in internal testing.4. Worked with the customers to solve various field issues. 5. Worked mostly on SIP, SDP, SRTP, CAPNEG and interop with H323.6. Worked with tools like SIPp and Wireshark mainly to create scripts and simulate SIP messages with various headers and SDP content.Made SIPp scripts to simulate 3rd party Call Servers to test interoperatability.7. Made HTA applications which support in easy maintenance in the project.8. Worked on enhancements which included a longer cycle of design, coding and regression testing.9. Have got the Shining star of the month award and techno wiz awards.10. Visit the client location regularly to communicate with them on issues which need immediate attention and for issues which have hardware constraints. Been onsite at the client location for 4 months to work on new features and work closely with the client and create a better working environment.

1. Worked as a software designer, developer and software tester at TCS for Nortel Networks and Ericsson in telecom wireless domain.2. Successful hands on experience in project planning, implementation, sustenance and Maintenance area in the Telecom domain. Familiarity with CDMA networks, ATCA Framework and telecom protocols like SIP, SDP etc3. Development and implementation of SIP Overload draft on C, C++ over UNIX.4. Hands on experience using Hummingbird Exceed 9.0 , Clearcase and HP Quality Center.5. Good knowledge of Clarify and inspection tool IDCE6. Proven experience in QA : Unit testing, Integrated testing.7. Good team member with capability of working in fast-paced, deadline-oriented environments8. Have managed a team of 5 conducting weekly sanity and server upgrades, administration, ticket management etc.