Arijith Chakraborty

• Installing, upgrading & troubleshooting of Cisco Unified Manager & Voicemail systems.
• Having technical support expertise on Cisco Expressways.
• Installing, upgrading and troubleshooting of voice gateways.
• In addition to Cisco, having expertise on Zoom telephony and works on call routing, user provisioning etc.
• Troubleshooting MGCP, H323, SIP and FXO gateways.
• Working with a leading organization on Banking field.
• Handling tickets which were escalated by Level 1 and 2 engineers.
• Working with providers to resolve issues with respect to T1, E1 Circuits and FXO lines.
• Organize tech dispatch if required for RMA & Working with TAC for complex/critical issues.

• Troubleshooting Cisco Unified Communication Manager, Cisco Unity Connection.
• Troubleshooting Voice Gateways and Cisco IM & Presence
• Troubleshooting on Jabber related issues.
• Troubleshooting MGCP, H323, SIP and FXO gateways.
• Working with a leading organization on Networking field.
• Handling tickets which were escalated by Level 1 engineers.
• Working with providers to resolve issues with respect to T1, E1 Circuits and FXO lines.
• Organize tech dispatch if required for RMA & Working with TAC for complex/critical issues.

• Troubleshooting Cisco Unified Communication Manager, Cisco Unity Connection.
• Working with Cisco TAC to resolve complex issues and unknown bugs with respect to UC Applications.
• Troubleshooting on Jabber related issues.
• Basic Understanding on Cisco Expressways and Cisco IM & Presence.
• Basic Understanding on Cisco Video Endpoints.
• Working experience on Cisco HCS Platforms.
• Working experience on CUCDM.
• Provided Process/Technical training to engineers.
• Troubleshooting MGCP, H323 and SIP gateways.
• Adding and performing changes to the SCCP and SIP endpoints.
• Working with providers to resolve issues with respect to T1, E1 Circuits and FXO lines.
• Worked on CUCDM and VOSS.

• Troubleshooting Cisco Unified Communication Manager, Cisco Unity Connection.
• Working with Cisco TAC to resolve complex issues with respect to UC applications.
• Troubleshooting on Jabber related issues.
• Basic Understanding on Cisco Expressways and Cisco IM & Presence.
• Basic Understanding on Cisco Video Endpoints.
• Working experience on Cisco HCS Platforms.
• Working experience on CUCDM.
• Provided Process/Technical training to engineers.

• Troubleshooting of voice protocols such as H.323, MGCP and SIP
• Troubleshooting CUCM, Cisco Unity, and Voice Gateway.
• Handling tickets which were escalated by Level 1 engineers.
• Organizing vendor meet to provide a long-term solution.
• Playing a key role in Onboarding of new sites and migration of existing sites
• Working with Cisco TAC to resolve complex issues with respect to UC applications.
• Provided Process/Technical training to engineers.

• Proactive monitoring of Clients’ networks
• Implementing, maintaining, and troubleshooting of Cisco IP phones
• Performing MACD’s on Communication Manager and Unity Servers
• Adding Agents and assigning required Skills in UCCX
• P1 escalations handling to meet Customer Satisfaction/SLA requirements
• Working with leading providers to solve issues related to provider
• Organize tech dispatch if required
• Creating Health check report for the new turn up devices
• Creating daily, weekly, shift wise operations report for the team
• Configuration of User Phone Features, class of service using partition and CSS

• Installing and troubleshooting Windows 2000/XP/7
• Installing & troubleshooting with Outlook (2003/2007) with Client-end Configuration
• Support on regular upgrades for various Windows Operating Systems, Hot fix and vulnerable patches
• Maintaining the Users in Organizational Units, reset and unlock the User Account in ADS.
• Coordination with various vendors for all Hardware related issues including Laptops, Desktops and Printers etc.
• Taking backup of share drive files on daily, weekly and monthly basis.
• Install and Capture image in WDS server.
• Monitor network health, disaster recovery of physical network.