Moumita — Arris Group

formerly Motorola Mobility Senior Software Engineer JAN 2016 Till date Bangalore, India Le tu (as a consultant)

January 2016 - till date: Arris Group Bangalore Client Location: Arris Group, Inc(Formerly known as Motorola Mobility),as consultant. DSL Gateway Position Profile: - Design, Develop and Test new features on Arris VDSL2 Gateway specified by Customer AT&T, eg NVG589 with C and Ubuntu - Application bring up and Deployment of VoIP Application on BCM chip with MIPS and ARM architecture - Memory Management of VoIP Application on MIPS Architecture - Migration from MIPS to ARM processor with HW-SW integration - Debugging Field Issues for VoIP Application of AT&T. - Interacting with Network Management, Hardware, Test Teams and System Engineering to define System behavior - Remote Management of Media Gateway's VoIP Application as per specification TR104, which is part of TR69 technical specification CPE WAN Management Protocol. - Used GIT, JIRA, Wireshark, SipP, gdb, remote debugging using gdb - Used python and shell script for Audit work

Sep 2014 till date - was in Germany till Feb 2017. In USA since Feb 2017

Arris Group Bangalore, Inc- SEP 2013 AUG 2014

September 2013 - August 2014: Arris Group Bangalore

Duration: Feb 2010 to Oct 2010 Position Profile: - Extracted and Integrated Pingtel's Back to Back User agent (as SipBridge) from SipX software, in Nortel CS 1000 Telephony System as an separate application for IP Users, used C++ and Java in Nortel's Propriety Embedded Linux Platform - The application serves as a Back to Back User agent between any LAN and Internet Telephony Service Provider(ITSP) - Designed, modified and developed B2BUA to add features like NAT, Media Relay, Registrar and SIP ALG. Sigma 2.2/3.0 Release for Nortel's 1120e and 1140e SIP Phones

Nortel Networks, now Avaya Senior Design Engineer MAY 2008 DEC 2010 Bangalore, India

May 2008 - Dec 2010: Nortel Networks/Avaya SIP Bridge for Nortel Communication Server 1000(CS1k)

Satyam Computers Pvt. Ltd Senior Software Engineer MAR 2007 APR-2008 Bangalore, India

March 2007 - April 2008: Satyam Computers Pvt Limited Client Location: Motorola India Pvt Limited AT Commands

Duration: April 2007 to Oct 2007 Position Profile: - Team Member for design, develop, test and Maintain AT Commands for Motorola Phones like Moto Razr, Moto ROKR using C++ and Linux. - AT Commands is high level protocol to control the modems when underlying transport is BlueTooth or USB with Specification 3GPP TS 27.007

Mistral Solutions Pvt. Ltd Senior Design Engineer SEP 2006 FEB 2007 Bangalore, India National Institute of

Sep 2006 - Feb 2007: Mistral Solutions Private Limited SMS over SIP Duration: Sep 2006 to Feb 20 07 Position Profile: - One of two-member team to design, develop and do initial test for Specification TIA 637 in C and Linux - Interacted with Client Hello Soft for whole life cycle of projects from design to test

Technology,Silchar(formerly System Programmer DEC 1999 JAN 2006 Assam, India REC) Sikkim Manipal Institute of

JAN 1999 DEC 1999 Sikki Inid c rer m, a Technology,Gangtok

Dec 1999 to Jan 2006: National Institute of Technology RTP, RTCP and SRTP Duration: Aug 2004 to Jan 20 06 Position Profile and Key Achievements: - Design and Implemented RFC 3550 and RFC 3711 i.e RTP and SRTP Protocol's necessary API's to integrate with other application in C and Red Hat Linux. - Developed AES-CM algorithm for encryption and HMAC SHA1 for authentication provided by Linux crypto API to provide security to RTP and RTCP Packets - Used threads, IPC's and socket programming to send/receive messages from other applications/networks. - Write test cases and thoroughly tested with OSip. - Defining minimal test conditions

System Programmer in National Institute of Silchar( formerly REC) from Dec 1999 to Jan 2006