Sachin kumar R.

Sachin kumar R.

VOIP (SIP, H.323) Products Tester

Hyderabad , India

Experience: 12 Years

Sachin kumar

Hyderabad , India

VOIP (SIP, H.323) Products Tester

USD / Year

  • Start Date / Notice Period end date:

12 Years

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About Me

12 years of experience in UC solutions and VoIP products testing
Scripting and Automation expertise: Python, Shell Script, Selenium, Java
Skilled at configuration of Microsoft Skype for business (on-premise + cloud (Azure))
Expertise o...

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Positions

Portfolio Projects

Description

Solution and Interoperability testing of Polycom products with SfB Server
To develop automation scripts using SIPP, Python and QMTEST automation framework
Debugging failed tests and modifying scripts accordingly
To ensure solution deployed in Lab as per approved reference architecture (topology)
Configuring and maintaining Skype for business hybrid infrastructure
Configuring firewall as per requirements for SfB Edge Server setup
Testing RealConnect feature designed to work with Lync and non-Lync (Standards based SIP / H.323) endpoints
Testing Polycom CSS (Content Sharing Suite) for sharing of content during video call from Lync endpoints (RDP / VBSS content) to standards based (SIP//BFCP/H323) endpoints

Automation Tools: SIPP, Python, Shell Script
Protocols: SIP, MS-SIP, H.323, BFCP, H.264, RTV, MS-SVC, CCCP, STUN, TURN, ICE
Polycom Components: DMA, RMX, PCC (CSS), RPAD, DMA-Edge
Lync Components: Front end Server, Edge Server, AVMCU, Exchange Server, SQL
Lync Clients: Lync 2013, Lync 2010, Skype for Business, Lync web app
Endpoints: GS, VVX, Trio, HDX, CX5500, CX500, CX600

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Description

Polycom offers the broadest portfolio of video solutions that are standards based and can interop with Broadsoft infrastructure. BroadSoft and Polycom, the leader in telepresence, video and voice communications solutions, introduce a fully integrated voice and video solution delivered over one common infrastructure. BroadSoft and Polycom enable service providers to deliver a unified voice and video solution as a hosted service.

Responsibilities:
Solution and Interoperability testing of Polycom UC servers/devices with Broadsoft infrastructure
To develop test scripts using Selenium, Java and TestNG framework
To run nightly automated regression and debug failed test cases
Configuring Polycom endpoints as per new solution requirements
Testing features designed to work with Broadsoft Server

Automation Scripting: Java, TestNG, Selenium
Protocols: SIP, H.323, BFCP, H.264
Polycom Components: DMA, RPCS (MCU), RPRM,
Edge Components (SBC): ACME SBC
Broadsoft Components: AS, NS, MS, XSP, PS
Endpoints: HDX, GS, VVX, BTBC desktop clients, BTBC mobility clients

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Description

Genband SBC: (GlobalLogic)
MSX (Multi-Protocol Session Exchange)
NexTone products enable circuit-switched and VoIP networks to interconnect simply and cost-effectively. NexTone MSX provides a SIP/H.323 interworking element that is deployed at the network edge or core. The MSX iServer is the software package that enables the VoIP application capability. Both the iServer software and the MSX session border controller hardware make up the entire MSX product package. The MSX provides the following session border controller capabilities:

A SIP Proxy and B2BUA (Back to Back User Agent)
A H.323 Gatekeeper
A SIP/H.323 InterWorking Function (IWF)
Firewall control for both SIP and H.323 calls (FCE)
Transcoding device support
Multi-vendor interoperability
Policy and routing to handle call origination and termination


Responsibilities:
1. Feature testing of Genband SBC (SIP/H.323)
2. To develop automation scripts in Python using Nextest automation framework
3. Debugging and enhancing the previously written tests as per new changes
4. Running the automated regression
5. Load testing with Nxgen (Nextone modified SIPP – SIP traffic generator)

Protocols: SIP, H323, RTP, Radius, DNS
Technologies: Python, Shell Script, Suse Linux, Expect
Tools: Nxgen, SIPP, gen, Nextest, Radius Server, Openser

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Description

Quancomm Payment Processing Center (GlobalLogic)
Processing Center is the system which processes Checking Savings and Credit Card transaction using the services provided by bank, using standard formats like NACHA or PRI. This application contains several modules like PayDayAdmin, PayDayServer, PayDayAgent, these all clients uses the back end database called PC Database (SQL server).

Responsibilities:
1. Preparing and configuring the environment, installing the build
2. Functional and Regression testing
3. Automation of PaydayAdmin module through Test Partner

Technologies: Test Partner, VBScript, ASP, SQL Server, Windows 2003 Server

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