OBJECTIVE

Education/Degree

Bachelor  in Engineering(B.Eng/Tech)

  Electrical Engineering– 4 years(2000-2004) with 1stDiv.

SKILLSET SUMMARY

Areas of Knowledge

TELECOM/IP

IMS,VOIP, SIP, Megaco/H.248, IMS, TCP/IP,UDP, H.323, SDP,SS7,ISUP,T1/E1 ISDN lines, LAN/WAN Networking, Cisco L2/L3 Switches, RTP,SDP,IPV6, IPPBX, Media geteways, Soft switch..

GUI Tools

Ethereal, Wireshark,Hurricane, Putty, SIP Soft phones, SIP-MCS client,Lync Clients

OS

UNIX,LINUX,HP-UX , Vxworks, Windows,VMWare

LANGUAGES

TCL/TK ,Shell ,C

Software Process

Agile Scrum Process, Customer Support Process, QA Life cycle,

Sinulator/TOOLS

Cisco & Nortel SIP tools, Avaya Tools, Configuration Manager, Automation tools, Selenium, VMware, CATT, MQC, Asterisk,Wireshark

ACCOMPLISHMENT

Strong at understanding technical specifications, design documents ,RFCs, Internet Drafts and  Product documents.

Quality Coordinator, and CMM level 5, Six Sigma drills, FIMC award in Wipro/Nortel

Project #

SIP/IP-TDM Financial Trading Recorder – WFO/WFM & Microsoft Lync Recording

Duration

Sept2011-Continuing

Organization

Verint Systems,UK

Designation

QA Engineer

Customers

Leading OEMs and customers of Verint

Environment

VMWare, Windows NT,Linux

Skill Details

SIP ,RTP,TDM,Agile,VMWare

Description

Verint WFO Recorder   for Financial Trading is a full-time, compliance recording solution for financial institutions,  trading rooms and Banks whose primary function involves recording, archiving, and replaying of interactions between traders and their banking counterparts for

using Web interface, the trader’s turret phone, or a standard telephone. Non-Trading calls on standard PBXs, both TDM and IP, can also be captured using standard Telephony interfaces. The Recording System consists of a set of logical servers that can be deployed on a single machine or on multiple machines in a large enterprise environment using Virtualization or VMWare.

The main features of the Recorder are:

l Capture of the Trading System channels and IP/TDM PBX channels in a    

   single solution

l  Replay of calls to the Turret

l Call Replay audio delivered to the PC or through a telephone

l Close integration to the CTI to extract configuration and trader position

   information

l Data Encryption and Watermarking

l Support of Archive, Web-based administration

l WFO Campus Support & l Multiple Site and Multiple Timezone Support

. Microsoft Lync  Recording provides enterprises voice, video, IM, conferencing and collaboration tools for the enterprise

. Lync Recorder based on standard SIP based clients with Microsoft specific extensions which is Released as Lync 2010, Lync 2013 and future Skype for Business

Responsibility

·   Understanding the design and architecture

·   Preparing the test Plan/strategy , Test execution and test report generation for various internal and external releases

·   Raising problem reports and verifying the same

·   Error tracking through Bugzilla.

·   Interacting with the client and meeting deadline

·   Working closely with the systems development team to ensure compliance with standard processes, documentation and tools

·   Involved in performing sanity, Functional, Integration, System, and Regression Testing

•Set up test bed environment( Win OS 2008/SQL 2008, WIN 2012/SQL 2012)  for various Recording features and created test data for both positive and negative test cases.

     •DB restore/ back up for installation/Upgrade process and Run SQL queries/procedures for database testing

Project #

IMS/SIP Voice & Data Application servers

Duration

Sept2011-Aug2012

Organization

One Access Networks,France

Designation

Technical Contractor

Clients

One Acess Networks, France

Environment

Proprietary OS,Windows,Linux

Skill Details

IMS ,LTE ,HSDPA,WiFI,SIP, RTP,

Description

OneOS is a feature-rich operating system that provides a common IP fabric, voice over IP/IMS based servers and administration interface presenting  a single ONE product solution. OneOS is made available in various software packages with ADVIP option having all OneOS functions including VoLTE/IMS,SIP,H.323,MGCP,Proxy ,Gateway,HNB Manager , Ethernet and other functions. The OneOS server is intended to work with Multi Service Access Routers supporting access technologies like LTE,HSPA,Wi-Fi,DSL etc.

Responsibility

·   Responsible for IMS  server Testing and SIP protocol testing

·   Test Setup with different access technologies like LTE,HSPA,WLAN etc.. Interoperability Testing with One Access’s Multi technology routers which support LTE,HSPA,WLAN etc..

·   Performed security testing  for features like VPN,secure remote management, stateful firewall, IP SEC, flow separation and isolation,IP QoS etc..

·   Basic LTE feature testing for the  Multi Technology router (HomeENodeB) like LTE Registration , Bearers etc..

·   Tested various IMS features based on 3GPP and VoLTE (IR92/94) standards for future VoLTE enhancements like RCS,Presence,XDM.

·   Verification of Mobility features like SRVCC on IMS core interface

·   Media Quality testing for codecs G.711a/μ, G.726, G.729AB using MOS score evaluation based on E-model

·   Integrated Business Communication module feature testing like Call features: Automatic recall, redial, speed dial, directory (global, personal), music on hold (customizable), call waiting, caller name/number display with directory matching, forwar­ding display, vocal CLIP, privacy, number blocking, customisable ringback music

Call forwards: unconditional, on busy, on no-reply,on unreachable­

     Follow-me, Daily/weekly unconditional call forward, (daily/weekly)

     Do Not Disturb ,Auto-attendant , Hunt groups,

·   Mobility management feature  testing: Coupling of wireless / wired handsets,  Presence-based forwarding to mobile, Management of single voice  mail box for dual phone, Login (to use another phone as if it was your own extension), Simultaneous ringing , Voice mail and voice-to-email

·   SIP Supported method testing: INVITE (Re-INVITE), ACK, REGISTER, CANCEL, OPTIONS, UPDATE, PRACK, NOTIFY, SUBSCRIBE, REFER and SIP Signaling debugger testing.

Project #

Cisco Unified Call Manager/CUCM  Product Development & Customer Support

Duration

Sept2010-Sept2011

Organization

Cisco Systems/Adea , Bangalore

Role

Senior Engineer

Clients

Cisco System

Environment

Linux,Windows7 , FreeBSD8.1

Skill Details

SIP, RTP,SDP,IPv6,TCL/TK, RTMT Bulk Call Generator

Description

Product Info:

Cisco Unified Communications Manager (Business Edition) is an enterprise-class IP telephony SIP based Call Server(PBX) system that provides traditional telephony features as well as it provides advanced capabilities, such as video, mobility, presence, preference, full-featured conferencing services, IPV6,SNR,web dialling, IVR, unity connection shared lines and all other features of a modern SIP based PBX.

Project Info:

The project involves verification and customer support for Cisco Call Server products like CUCM, IP Phones etc . SIP Conformance Testing , Feature Testing, Regression testing , Traffic/Bulk call testing , performance testing ,Stress testing ,IPV6 certification testing etc.  and test framework is developed in in TCL/TK on Linux platform as part of the activity. The different activities that are done as part of the project are :

-Manual Testing of the various features of  CUCM (Cisco Call Manager )

-Automation Framework development using TCL/TK.

-IPV6 Conformance/certification Testing for TAHI certification.

- Test Bed Setup having Cisco Call Manager , Cisco 69xx series SIP phones and Camelot  Soft Phones.

-Adhere to Cisco Quality Assurance standards.

Responsibility

·   Understanding of  the Cisco Call Server Products and functionalities-CUCM and other ICM products

·   Responsible for Test script development in TCL/TK on Linux for

     automating the Sanity Suite Test ,Regression test Cases, Call    

     Processing Test Cases

·   Test Prime for SIP Feature Testing in Cisco Call Manager as per RFC 3261 and other extension RFCs.

·   Tested various supplementary features like Call Forwarding, Call Transfer, DND, Music on Hold, Call Park, Call Pickup etc.

·   Responsible for IPV6 Conformance Testing using TAHI tool.

·   Preparation of Test Strategy Plan, Test Effort Estimation for Feature Testing on various releases.

·   IOT with Avaya Products and other vendors.

·   Mentoring a Team of 4 members, monitoring the Test progress and Reporting the Test Status.

·   Provided support to customers at part of Level 3 support

·   Configuring , Installation , up gradation and maintenance of Cisco Labs and IOT Labs with Avaya Products

Project #

SIP PBX  Product Verification and Customer support

Duration

Aug2009-Aug2010

Organization

D-Link

Role

Sr. QA Engineer

Clients

D-Link

Environment

Windows XP, UNIX,HP-UX, Cisco Call Manager

Skill Details

SIP, RTP,SDP,TCP/IP, Ethereal

Description

Product Info:

D-Link's Network Telephone Exchange (DVX-1000) is a SIP based solution, addressing the VoIP communication requirements of small and medium enterprises. DVX-1000 has built in Call Server, IVR/Auto-attendant and Voice Mail functionalities. It helps VoIP devices like SIP phones, gateways etc to make and receive calls, implements host of voice call features and manages accounts and provisioning of D-Link endpoints.

Project Info:

The verification team is responsible for complete product verification of the PBX system and performing all types of testing , working with the development team in investigation of the issues and improving the overall quality of the product .Its also responsible for providing support to the existing customers of the upcoming product as part of post maintenance product support.

Responsibility

·   Understanding the Requirement Specification, preparing the Test Strategy, developing Test Cases and Test Execution of features.

·   SIP protocol conformance testing as per ETSI specification .

·   Testing of PBX features like Call Hold, Call Transfer, Call Pickup , Call Parking , Single line extension , SIP-PSTN Calls etc.

·   Testing of Router features like VLAN,Throughput,ARP etc..

·   Interoperability testing with other peer products like Cisco Call Manager and Nortel PBX.

·   Interoperability Testing with PSTN with E1 channels and IP Gateways.

·   Test Reporting and Bug Tracking using Bugzilla.

·   Responsible for maintaining the Test lab and Test Setup

·   Testing of RTP , SDP and Media Codecs.

·   KPI based performance testing for signaling and media traffic.

·   Network traffic testing using Bulkcall stub.

·   Planning the Regression iteration and performing Load, stress and Expert Testing.

·   Test Reporting and Bug Triaging for the above mentioned features.

·   Proving pre-sales and post sales support to customers.

Project #

SIP Video Phone Software Development and Level 3 support

Duration

Sep-2008—July2009

Organization

D-Link

Role

Senior QA Engineer

Clients

Dlink R & D

Environment

RTOS,Windows

Skill Details

Functional Testing, SIP Testing, TCP Testing ,TLS Testing

Description

Product Info:

GVC-3000 is a fully featured, easy-to-use, SIP based Video and Voice over IP phone, typically used in making Video and Voice calls over the IP network; with an excellent quality providing all functions and features for office and broadband home user through an intuitive and user friendly interface. Some of the features of this IP phone are :

Ø      IP Address through static/DHCP/PPPoE

Ø      NAT traversal with STUN and IP Sharing

Ø      QoS for better voice quality (Priority Queses, ToS, VLAN*)

Ø      Auto server discovery (DNS SRV, DHCP Inform) and redundant  

Ø      server support

Ø      Call Trasfer - Attended & Unattended

Ø      Call Hold with music

Ø      Call Forwarding - Unconditional, No Answer, On Busy

Ø      Selective call Acceptence, Rejection, Forward

Ø      Call Park, Retrieve and pickup

Ø      3 Way Conference

Ø      Do Not Disturb and Auto Answer

Ø      Call Back on Busy & Distinctive ringing.

Ø      G.711u/a G.723, G.729, iLBC, G.722, G.726 Audio Codec support

Ø      H.264, H.263, H.263+ and MPEG-4 video Codec Support

Ø      Audio and Video Lip Synchronization and IP level TOS

Ø      Security with PAP/CHAP, MD5

Ø      DTMF: In band, Out-of-band, SIP Info

Project Info:

The project involves complete QA activity of this state of art IP Phone. Different types of testing like Feature testing, System Level Testing , Performance Testing , Stability Testing , QoS testing etc are performed in different release cycles as per Project Plan.

Responsibility

§ Developing the Phone Test Strategy & test cases for

the above mentioned features.

§ Primarily responsible for SIP Protocol Testing using Ethereal and Routers.

§ Developing the Stress Test Scripts using Expect & TCL/TK

§ Regression testing of the impacted features.

§ Test Setup and Device Configuration.

§ Log Capturing and Debugging.

§ Audio Benchmarking with Avaya IP Phones.

§ Pre-sales support and demonstration to the customers

Project #

Nortel Centrex Verification

Duration

July 2007 To July 2008

Organization

Nortel Networks

Role

Project Engineer

Clients

Nortel, Ottawa, Canada.

Environment

Windows XP, UNIX

Skill Details

VOIP,SIP

Description

Product Info:

Centrex IP solutions consists of products which use Voice over IP (VOIP) technology to deliver central office exchange service (Centrex) capabilities to users connected to an IP network with a Call Server 2000 (CS2000) or any third party IP networks. Centrex Solution consists of various network elements in IP network like:

Ø      Centrex clients (terminals) each of which is either a Nortel IP Phone or a PC running the m6350 Soft Client software

Ø      Centrex element managers to control, monitor, and

       Maintain the nodes

Ø      Centrex IP Client Manager (CICM) provides the control interface between the gateway controller (GWC) and distributed CICM IP clients on a managed IP network. It communicates with the GWC using the H.248 IP interface and it acts as a signaling gateway.

Project Info:

The project involves testing of the various nodes of the Centrex network for different features using Nortel tools. The project also involves interoperability testing between Centrex IP phones and SIP Soft phones.

Responsibility

§ Writing and Executing Test Level Plans for features like:

Call Waiting,Hold/Held,Call Forwarding, Call Blocking, Call Parking, Call Hunting, Call Pick up, 3 way conferencing, etc.

§ Installation of build on the chassis/card

§ Bug Tracking using Clarify.

§ Lab Set up at Ottawa IP lab.

§ Regression and Load Testing.

§ Client interaction and requirement gathering.

§ Test Reporting for the above mentioned features.

§ Mentoring junior team members

Project #

Nortel VOIP Softswitch (CS2K) Verification

Duration

July2006 To June 2007

Organization

Nortel Networks

Role

Verification Engineer

Clients

Nortel, Canada/India

Environment

Windows XP, UNIX, HP-UX

Skill Details

SoftSwitch, Call Processing, VOIP,SIP

Description

Product Info:

CS2K is a voice over packet telecom switch that acts as a “super class” soft switch delivering the full class4 & class5 features necessary for service transparency and provides carrier grade fault tolerance, redundancy & survicability. CS2k architecture is based on Nortel's immensely popular TDM switch called DMS (digital multiplex switch).

Project Info:

The scope of the project is to do the maintenance and Testing of this state of art switch for SIP and other VOIP protocol as per IETF RFCs and 3GPP IMS specifications.

Responsibility

§ Writing and Executing test cases for various types of testing

§ Load built for new module change in core of cs2k

§ Sanity testing for basic calls

§ Debugging of errors by using debuggers

§ Bug Tracking using Clarify.

§ Nortel’s IndiaOne Lab Prime at Wipro Premises.

§ Preparing Detailed Design for Enhancements.

Projects #

SIP Application Server Verification

Duration

Dec 2005 to July 2006.

Organization

Wipro Technology

Designation

System Engineer.

Client                 

Nextone

Environment

Windows XP, Linux

Skill Details

SIP, VOIP

Description     

Product Info:

NAS (Next Generation Server)is a SIP Application server which is combination of proxy server, registrar, redirect server, location server & B2B user agent.  NAS platform provides a powerful centralized facility for different types of sip services enabling multimedia communication and is deployed in Enterprise networks. Session Initiation Protocol (SIP) is a standard defined by IETF in RFC 2543/3261 and is used for initiating various types of session like Call –Hold, Conferencing, Call-Transfer, Call-Forwarding etc.

Project Info:

The project involves the testing of the Application Server in accordance with RFC 3261, 3665 and other extensions. 

Responsibility    

·   Compliance Testing of SIP Application Server as per RFC-3261, 3665 ,etc

·   System testing of the application server.

·   Testing of feature like Call-Hold, Music on Hold, Consultation Hold, call Transfer, Call Forwarding, etc.

·   User Acceptance Testing of the tool.

·   Writing Test Cases.

·   Verify the logs and producing Test Report

·   Debugging of errors and solving the CRs

·   Supporting the Customers in case of failure

Project #

VOIP Media Gateway Testing:

Duration

Mar 2005 to Nov 2005.

Organization

Xenway

Designation

System Engineer.

Clients

Excel Switching Inc, US

Environment

Linux, Solaris.

Skill Details

H.248/Megaco, GSM

Description

The project primarily involves writing and executing the test cases for validation of the Protocol Engine software present inside the IMG with the help of various tools and reporting the errors/bugs, if any through a bug-tracking tool (Bugzilla). Conformance Testing for H.248/Megaco  and Traffic Testing were performed for various call features.

Responsibilities

·   Writing test plan and test cases

·   Executing of different test cases.

·   Conformance testing of the Megaco/H.248 Protocol Engine software in the IMG 1010 for different features like: Conferencing,  Lawful Intercept, Call Transfer etc

·   Reporting errors/bugs if found

Role

TEAM MEMBER

Project #

DRO-250i Router Software Testing

Duration

June 2004 to Feb 2005.

Organization

Xenway

Role

System Engineer.

Clients

D-link, Taiwan

Environment

RTOS, Windows

Skill Details

Functional Testing, SIP Testing, TCP Testing ,TLS Testing

Description

DRO-250i is a fixed router with multiple WAN interfaces with load balancing and Fail-over and comprehensive security features with SPI Firewall and IPSec VPN.It provides highly reliable connectivity and high throughput with sophisticated QoS to support Data, Voice & Video over IP. The router has three built-in WAN interfaces and a single LAN Ethernet interface to do different types of routing like Static Routing, Policy Based Routing & Dynamic Routing.The project involves system testing of the router for features like ARP, Static & Dynamic Routing functionality. Also, Stress and Performance testing is carried out using IXIA tool.

Responsibilities

§ Developing the Test Strategy.

§ Writing test cases for the different features.

§ Execution of Test cases for the router.

§ Configuration & Setup of tool like IXIA.

§ Analysis of the protocol trace using Wire Shark.

§ Bug Reporting through Clear Quest.