Shouvik Basu Email & Phone Number

Manchester Area, United Kingdom

Lead VoIP solution designer for Microsoft Teams Operator Connect, Direct Routing, PBX overlay and cloud voice integration with CPAAS, UCAAS, CCAAS, cloud PBX vendors.

Manchester Area, United Kingdom

Manchester Area, United Kingdom

Manchester, United Kingdom

• Design and deployment of Teams for meetings, chat and Direct Routing. • Deployment of Azure based Ribbon SBC's to facilitate Teams Direct routing.• Skype for Business to Teams migration design work for in-house and customers consultancy.• Microsoft Skype for Business multi-tenanted platform support for hosted customers.• Skype for Business Enterprise Voice infrastructure (Ribbon SBC) support and development.• Support and development of Anywhere365 Call Centre, Verba compliance recording platform.

Manchester, United Kingdom

Gamma is one of the largest network carriers of fixed-line voice minutes in the UK, providing a comprehensive range of next generation voice, data and mobile services to businesses, the Public Sector and not-for profit organisations, including the latest IP telephony phone systems, high speed internet and data connection packages, mobile services and unified communications solutions.As Core Network Design Engineer, I am responsible for design, integration, testing and implementation of different voice components in the network.responsibility includes:• Bespoke solution and new features development on Gamma VOIP platform.• Design and integration of Ribbon's media gateway controller and media gateway combo C3 / G9 into Gamma’s legacy network of SS7 (ISUP / IUP / ISDN) consisting of Ericsson, Nortel, Cisco etc.• Integration of C3 / G9 into existing OSS / BSS, monitoring platforms like Gigamon, Matador, Solarwinds etc.• Design and integration of MS Lync / Skype for Business / Team Unified Communication platform.• Advanced features design & testing on Ribbon's SBC including Flexible Message Manipulation (FMM), on-board transcoding etc.• Design and integration of Broadsoft Broadworks based Unified Communication platform.• Advanced features design & testing on Metaswitch Perimeta SBC including Message Manipulation Framework (MMF), on-board transcoding etc.• Integration of Peimeta SBCs into existing routing / transcoding model, OSS / BSS, monitoring platforms like Gigamon, Matador, Toolkit etc.• Design and integration of PCI DSS providers like Semafone, Aeriandi in Gamma network.• Involved in design of in-house SIP re-direct server and integration of the same with C3, SBCs.• 3rd line support for SBCs / C3 / G9• Interaction with multiple vendors on a regular basis for defect tracking, technical discussion, new features development, capacity planning etc.

Ipswich, United Kingdom

BT IP Exchange is a world-class clearing house solution that makes switching calls between next generation and legacy services. This next generation network of BT enables a communication provider to interconnect using an Ethernet link to exchange traffic with other communications providers or the PSTN over a secure, resilient IP network.Expertise includes :• VOIP interconnects testing in British Telecom's IP Exchange and SDIN test platform with different service providers across geographic locations.• Design and testing of configurations and features in Session Border Control (SBC) of ACME Packet and GENBAND (S3).• Analysis of SIP / SS7 ISUP / RTP traces to debug different interconnects issues.• Expertise in SIP-ISUP interconnects testing.• Perform RFC compliance check for different SIP features.• Expertise in packet capture tool Wireshark.• Use and configure call servers/proxy/gateways/Back-to-Back user agents like Asterisk, Open SER, Open SIPS etc.• Use and configure different types VoIP soft-phones and other components of VoIP network.• Working knowledge of CISCO signaling and media gateways e.g. PGW, MGX.• Working knowledge of GENBAND signaling and media gateways e.g. C3, G9• Live platform’s issue debug and simulation of different SIP features using SIPp tool.• Automation and performance testing using Empirix Hammer tool.• Expertise in ENUM database (TITAN application of Netnumber)• Platform builds activities (Solaris / UNIX installation and maintenance).• Preparation of test plan and timely execution of test cases.• Basic knowledge of H.323 protocol.• Working knowledge of switching, routing and network basics.

Pune Area, India

Project Name – MNP (Mobile Number Portability)Description: Number Portability allows consumers and businesses to keep their existing telephone numbers when they switch operators. MNP project was to implement Mobile Number Portability Gateway for green field operator in India. MNP GW has been developed according to specifications provided by two MNP Clearing Houses in India (Syniverse and Telcordia) and tested with other internal telecom components like CRM, Billing, FNR etc. Interconnect testing has been performed with all of the mobile service providers in India across regions.Responsibilities:• Design & Implementation of MNP gateway solution• Author of Functional Specification Document (FSD), HLD and reviewer of LLD• Played leading role in technical discussion and implementation.• Enhancement and Bug fixing• Unit Testing• Integration Testing with other telecom components (e.g. CRM, Billing, FNR etc.)• Interconnect testing with MNP Clearing houses.• Inter-operator testing with all of the mobile service providers in India across regions.Environment: XML, MySQL, MS BizTalk

Pune Area, India

Project Name – Routing Engine Scalability TestingDescription: Assure Quality Routing (AQR) solution addresses the need for Telephony Service Providers (TSPs) to identify multiple dynamic routes for traffic originated from its network to the destination numbers in a different service provider network. These calls are to be routed based on the quality of the path for the call and in general to provide inexpensive routing for the call end-to-end.Performed automation of test cases using TCL / TK scripting. Responsibilities:• Load Testing• Regression Testing• Test Automation using TCL/TKEnvironment: TCL/TK, Shell Script, Unix, Solaris.

B.Tech. Computer Sc & Engineering, Computer Engineering

B.Sc. Statistics

Higher Secondary (10+2), Madhyamik (10), Math, Physics, Chemistry, Computer Sc.