ROHIT WANCHOO 1333, South Park Street, Apt 803, Halifax, NS B3J2K9 M:

Transcription

1 ROHIT WANCHOO 1333, South Park Street, Apt 803, Halifax, NS B3J2K9 M: Professional Summary Goal-oriented Senior System Engineer with an experience of 8 years dedicated to requirement analysis, development and implementing IP telephony solutions. Innovation and commitment with specialized knowledge in open source IP telephony, databases, Web servers, testing methodologies, network, Operating systems and cloud platforms. Skills Telephony: Databases: OS: Web App: Cloud: VoIP: Monitoring: Asterisk, ViciDial, Freeswitch, Media Gateways. MySQL, PostgreSQL. Linux and Windows. Apache, IIS. Amazon Web Services and other Cloud Services Providers SIP, H.323, MGCP, RTP, RTCP, SRTP, SDP, IAX and XMPP. Nagios. Experience: Convergys: Sr. System Engineer (Jan.14 Till Now) Design, Develop, Integrate and Implement business Solutions for Contact Centers operations. Implementation and Support Of dialers for Convergys Europe & US. Delivering high service quality through proactive monitoring and performance system analysis. Provide 24x7 on-call support on a rotation basis. Consult with Clients to identify and document requirements for designing and implementing the IVR based surveys for them. Designing and building IP Telephony applications using open source telephony engines. Deployment and Support for End-to-End Telephony Infrastructure. VoIP call routing/delivery and PRI integration with Asterisk Gateways Configured with Sangoma Cards. Hands on Experience in Clustered environment to avoid zero downtime. Assess technical security risks to customer data and ensure contingency plans to minimize the effects of security breaches. Test Plans & Test strategies, Test cases design & Test Scripts & Test executions. Documenting issues and Provides technical coaching and mentoring to other team members with documentation or remote. Coordinating with Telco Providers in case of any downtime. Eagle Conferencing Pvt. Ltd: VoIP Consultant (Oct.12 Dec.13) Designing of highly scalable & robust VoIP/Telecom network. PRI cards/gateways integration. Working on Core Asterisk Modules. PHP/AGI scripting, IVR Designing and Call routing solutions. Writing Asterisk Dial plans for Real time conferencing ( & Development & Maintenance of Messaging Product developed on Asterisk. ( Hands on Experience on Phone-Banking via IVR.

2 Requirement Analysis & providing solution to our customers. Debugging the Company's VoIP/Telecom network & Coordinate with telecom providers if there is any issue with PRI lines. Symphony Services: Product Engineer (Aug. 10 Sep. 12) System Verification of Telecom Products like Avaya Modular Messaging. Working On Avaya Aura System Platform Servers & Avaya SAL Gateways. End to end Solution/System Verification testing. Delivering high quality solutions to the Customers. Write test plans & test strategies, test cases design & test scripts & test executions. Trouble Shooting SNMP v2/snmpv3 for Avaya SAL Trouble Shooting issues with LDAP & Application Servers. Issues related to security of the application, LDAP & VeriSign. Responsible for test plan development and execution, test environment configuration and maintenance, defect identification and tracking, and creation and publication of test results and application notes for end-to-end tests. Working in Bug Tracking Tools like JIRA, QC & CQ. Testing of new VoIP-related features as necessary. MANIKS/Sukrut Systems: VoIP Engineer (Jun 09 Jul. 10) Setup of VoIP network With Asterisk SIP Servers. Development of Media Streaming Servers. Working on Dialers used for Call centers. Handling a 75-seater call center for an outbound process ensuring no downtime. Integration of CRM with Dialers. Worked on Chat Server With IP-PBX. Configuration of Freeswitch. Scripting Done For ASTERISK (AGI). Providing VoIP solution to the clients. Billing solution implementation for VoIP Services (Pre & Post-Paid). Working on SIP & H.323. Designing Of IVR Solutions. SIP/IAX Trunking. Education: University of Pune MH, India Bachelor of Engineering: Computer (May 2009) Projects: Project Designation Duration Platform : icdial Contact Center Management Tool : Senior System Engineer : Senior System Engineer : Jan 2014 Till Now : Asterisk, Linux, Apache, MySQL ICDial is a call center suite designed to interact with the Asterisk Open Source PBX Phone systems to act as a complete predictive auto dialing and inbound call routing, featuring management, chat, full reporting, and communication modules. s & Responsibilities: Design Campaign as per Client s requirements. Set up Inbound Queues in case of inbound campaign.

3 Setting up SIP trunks between dialer and PRI gateways. Implement Call routing to respective campaigns. Designing and Implementing IVR Surveys for Campaigns. Proactive monitoring of all application servers using open source tool Nagios Auto provisioning of phones using TFTP servers. Investigate issue raised from operations and try to minimize production downtime. Coordinate with Telco in case of any downtime. Setting up Media gateways and integrating it to use with dialers. Provide 24x7 support for campaigns on-call rotation basis. Project : Eagle Conferencing ( Duration : Nov. 12 Dec. 12, Asterisk & MySQL This is the paid version of Conferencing for our customers who are using conferencing application on TOLL FREE and TOLL numbers. Billing module is implemented for real time billing on the Conferencing application developed on the Asterisk CONFBRIDGE module involving customized user profile menu along with real time database synchronization. s & Responsibilities: Installing the Asterisk. Write Dial plans for real time conferencing using Asterisk CONFBRIDGE module. Integrate Asterisk with TDM technology (Sangoma Cards). Writing Scripts for calculating minute usage per customer account. High Availability of Asterisk & Database Server to avoid call drop. Worked on broadcasting automatic announcement to customers in case of any notifications. Work on Customized User Menus. Debug SIP logs in case of errors or notifications. Project : Eagle messaging ( ) Duration : Nov. 12 Till Now This is a unified messaging product developed on Asterisk, User can buy a number from the website for their business where user can create their IVR, upload his respective greeting message. Calls on their numbers are received on Asterisk Servers and call is routed as per the DTMF input by the callers, i.e. calls routed to mobile no. or call routed to voic . Users can listen to their voic s, change their greetings and change their passcode over the phone itself over the phone using DTMF. s & Responsibilities: Installing the Asterisk. Write Dial plans for messaging using Asterisk. Integrating SIP trunk & debugging the call flow in case of any call drop. Writing customized CDR s as per package purchased by a customer. High Availability of Asterisk & Database Server to avoid call drop. Worked on broadcasting automatic announcement to customer in case of any notifications. Work on Customized User Menus. Debug SIP logs in case of errors or notifications. Project : Appear By Phone ( Duration : Oct. 12 It is a service that enables court appearances by phone for attorneys and judges alike. I had programmed call flows in such a way that the operator can call client, attorneys & judges one by one and put them in a conference using some feature codes & they can appear.

4 s & Responsibilities: Design the VoIP architecture. Writing Dial Plans with feature access codes for Operator Project : Avaya Aura System Platform (Client- Avaya) : System Verification Engineer Designation : Product Engineer Duration : Aug 10 June. 11 This is an Avaya Unified Messaging product with a single box solution for small medium sized customers, it is basically deployed on Avaya proprietary Servers namely Avaya System platforms which is a virtual OS management system in which we first deploy Avaya System platform on a base Linux machine OS and after installing the system platform, we can deploy Application Server as a image on system platform with a virtual IP where we can create users and respective extensions along with voic accounts. The users can configure their voic /call forwarding and many more from the web application & can make and receive calls using Avaya Phones along with feature. The features are bit lesser than of Avaya Modular messaging product. s & Responsibilities: Writing Test cases for any new feature implemented. System verification Of Avaya Aura System Platforms. Verifying the CFD s by reproducing them in labs. Sanity, Regression & Adhoc testing on the builds and raise if any defect found. Project : Avaya Secure Access Link Gateways (Client- Avaya) : System Verification Engineer Designation : Product Engineer Duration : July 2011 Sep This is an Avaya product, which is used, by the Avaya s Technicians or Customer Support persons at Avaya Data Center or at Avaya s Business, its partners to monitor & trouble shoot the server/application, which is at Customer s location. It mainly consists of SAL Gateway, Core Enterprise & Axeda Remote Servers. SNMP & INADS protocols are used to send alarms from devices at customer s location in case if there any issue. RADIUS, LDAP & other authentication protocols & procedures are used in this product. s & Responsibilities: Generate SNMP v2 & v3 alarms and test the flow of alarms. Verifying the CFD s by reproducing them in labs. Sanity, Regression & Adhoc testing on the builds and raise if any defect found. Project : Voice & Video Conferencing Solution to Kolhapur City Police. : Implementation Designation : VoIP Engineer (R&D) Duration : May 2010 July 2010, Windows Environment : VoIP & SIP Databases : MySQL Configuration & Installation Of dedicated ASTERISK SIP server was installed for Voice & Video calling in order to setup a encrypted one to one voice/video communication and multiple conference rooms for multiple Police Offices. s and Responsibilities: Installing, configuration, implementation & maintenance of the ASTERISK SIP Server. Troubleshoot issues in the SIP servers. Make a cluster of ASTERISK SIP Server so that there should be no down time or call drop. Integrating TDM cards with the SIP Server so that client can join the conference from outside the VoIP Network.

5 Project : Billing For VOIP : Developer & Implementation Designation : VoIP Engineer Duration : August March 2010, Windows Environment : VoIP & JAVA Database : POSTGRESQL Installation SIP Server along with Database clusters, Load Balancing Clusters & Web Application Clusters handling around 6,500 concurrent calls.customers of the Client can make calls either SIP to SIP or SIP to any Geographical Number and billing was done by manipulating CALL DATA RECORDS (CDR).Calling from SIP to Geographical Numbers was done using SIP Trunking. s and Responsibilities: Installing, configuration, implementation & maintenance of the ASTERISK SIP Server. Make a cluster of ASTERISK SIP Server so that there should be no down time or call drop. Designing of database with real time statistics. Implemented clusters for ASTERISK, Database & Web Application Servers. Routing the calls from SIP trunk to respective SIP users.