SUMMARY:

• VoIP Test Engineer with 6 years of experience in designing, implementing and maintaining enterprise level VoIP networks.
• Extensive knowledge of Internet architecture (hosts, routers, switches, DNS, hostnames, IPv4/IPv6 addresses, Ethernet, switching and routing).
• Good working knowledge and experience in the area of Networking concepts, SIP, TCP/IP, UDP, RTP/RTCP, SDP, H.323, SS7, MGCP, SGCP, Wi-Fi, 802.11a, 802.11b, VPN, MPLS, NAT, Cable modem, and VoIP
• Strong knowledge of IP-PBX, media gateways and gateway controller.
• Significant ability to troubleshoot SIP traces and call flow.
• Extensive hands on experience on working with troubleshooting of VoIP network using Cisco call manager, Third Party voice mail server , voice gateways, Avaya CM, Broadsoft.
• Proficient with handling and troubleshooting SBC (Acme) and ESBC.
• Experience with working on WIRESHARK, Abacus and Smartbits network analyzer.
• Writing and execution of test plan, conduct test plan review, testing schedule.
• Experience in software sanity, acceptance, progression testing, automation design, development and support.
• Strong acquaintance of quality of service, distributed server infrastructure in support of VoIP services, IP Security concepts including well-known services, ports, and protocols.
• Experience in developing VOIP applications using Packet cable, Digital switching, transmission systems and SONET for call routing.
• Documentation of processes and procedures for operations, provisioning and NOC teams.
• Good client management experience with excellent communication and inter-personal skills.
• Wide system view, excellent analytical skills, ability to handle complex tasks, high learning ability, creative problem solving, thinking “out of the box”.

Technical Expertise
Protocols: SIP, SDP, MEGACO, RTP/RTCP, UDP, TCP, H.323, SS7, MGCP, NAT and RADIUS.
Hardware: Cisco Routers and Switches, Vonage IP Phones, Vonage Routers, Netgear Hubs, Cisco IP Phones, Class4/Class 5 Switch, Telephony Gateway.
Test Tools: Quality center, Cisco Call Manager, Wire shark, Abacus, and Empirix Hammer
Wireless: 802.11a, 802.11b, 802.11g, Bluetooth
Soft switches: Broadsoft, Avaya CM, Cisco UCM, IP Centrex.
Languages/Scripting: C, C++, HTML, Linux, XML, UML, Java, SQL.
Telecom: Asterisk IP-PBX, SS7 (ISUP and TCAP), and GR303
Carrier Lines: T1, DSL, E911, OSDA, CALEA and E1

1. Project: Security Enhancement – Vonage Home Phone Extension, Mobile Application and Set Transcriber application.
Confidential,Holmdel, NJ, USA.
Duration:Nov 2011 –Present
Role: QA Engineer

Project Description:

• Vonage Holdings Corp. is a leading VoIP service provider of low-cost communications services connecting individuals through broadband devices worldwide.
• This project involves functional testing of Vonage Home Phone Extension application with Security enhancement components and regression testing to verify that new components hasn’t affected primary behavior of application.
• This project also involves front end testing of Vonage Mobile Application as per Project Requirement document.
• This Project also involves functional testing of Set transcriber application which corrects voicemail settings and sends to pyval.
• Develop test plans, test specifications, and test procedures for Security enhancement of Home Phone Extension application and Set Transcriber application.
• Execute various kinds of testing Functional/load/Sanity/Regression testing.
• Support Device testing team with Vonage Mobile application testing by debugging backhand issues.
• Also performed regression testing for well known functionality - Star69 on VoIP phones in Vonage network.

2. Project: NET VX Testing Project – VoIP Media gateway.
Confidential,Plano, TX, USA.
Duration:Nov 2009 –Oct 2011
Role: VoIP Test Engineer

Project Description:

• Ericsson, Inc. is a leading provider of multi-service network exchange solutions that enable flexible, cost-effective network evolution.
• This project involves testing of various networking protocols supported on the customers VoIP media gateway.
• Develop test plans, test specifications, and test procedures for IP telephony products.
• Execute various kinds of testing Feature/System/Stress/Regression testing.
• Design and Review of test automation scripts.
• Support and Troubleshoot IP Communications between hosts and devices.
• Support VoIP platform integration with legacy and new OSS and billing components.
• Technical expertise includes Testing and Test Plan preparation of various features on
• VoIP protocols - H.323, SIP, BSP (NET proprietary protocol)
• Security protocols – SRTP, SRTCP,TLS, IPSec
• Other protocols – SNMP, V.150, MLPP, T.38 Fax.
• Involved in client program for Microsoft OCS breadth certification.
• Analysis of customer issues and detail test plan preparation for various customer issues.
• Test Tools worked on:
• Abacus for VoIP Testing (SIP, H.323, T1/E1, FAX).
• Adtech for data related testing (IPSec)
• SIPp – involved in enhancements to customize the tool for the project needs.

3. Project:Lucent TNT/APX Testing Project – H.248 VoIP protocol
Confidential,Alameda, CA, USA.
Duration:Jan 2009 –Nov 2009.
Role: VoIP Test Engineer

Project Description:

• Lucent Technologies provides ISPs with WAN edge devices also known as Remote Access Switches which are used by dial-in clients to get connected to an internet. The devices provide both data and voice solutions.
• Plan, test, recommend, and implement ISP services for VoIP Telephony.
• Provide network documentation, assessment, and guidance for ISP related items.
• Assist in the Engineering design and capacity management H.248 network infrastructure.
• The project involves testing of H.248 VOIP features on core operating system, which reside on these devices. Platforms covered include MAX, TNT and APX.
• Design and review of test plans for new H.248 features implemented.
• Performing all aspects software verification including functional, regression, integration and stress testing.
• Technical expertise includes Testing and Test Plan preparation of various features on VoIP protocols - H.248 features, COT testing.
• Performed testing on Proprietary H.248 tool for simulating Soft switch.

4. Project: SIP Trunking solutions
Confidential,Newark, NJ
Duration:Dec 2007 –Dec 2008.
Role: VoIP Test Engineer

Project Description:

• Manage internal VoIP lab network routing and ensure external connectivity with production environment.
• Install, upgrade and manage Linux servers running Voice over IP applications.
• Configure routers, switches and other networking equipments for testing activities.
• Troubleshoot any identified network related or call flow issues using tools such as Wireshark.
• Determine testing strategy & execute test plans for regression and load performance testing of VoIP applications.
• Evaluate impact of integrating new hardware/software platforms (such as new series of Cisco’s Integrated Access Devices or new IOS version) with existing production environment.
• Configure SIP Session Border Controller and Softswitch to implement SIP Trunking with customer’s PBX.
• Automate and optimize testing processes using suitable scripting tools as needed.

5. Project: VoIP Process/Application Testing
Confidential,USA.
Duration:July 2006 –Dec 2007.
Role: VoIP Test Engineer

Project Description:
This project involves testing VoIP solutions. SIP protocol was implemented to support all multimedia services.

• Set up CPE test architectures for POTS and T1 Trunk testing to include eMTA and IAD Access Devices over DOCSIS Packet cable networks.
• Create VoIP test cases within HP Quality Center.
• Conduct SIP VoIP testing of BCV Features within Cisco BTS and Broadsoft Application CMS
• Provisioned Cisco BTS and Broadsoft Application CMS
• Conduct test defect analysis of SIP, DOCSIS, PCMM Protocols through SSH, Wire Shark and Agilent test tools.
• Conducted SIP Call Feature testing other typical Call features.
• Conduct automated testing using Empirix test platforms.

EDUCATION:
Bachelor of Engineering in Mechanical Engineering.