ANWARALI MANGATTIL

Configuration of User Phone Features, Class of Service using Partition and Calling Search Space. Management of CUCME (Cisco Unified Communication Manager Express). Implementing Audiocodes SBC in Azure Cloud for Direct Routing. SIP Log analysis and Troubleshooting. Troubleshooting of Audiocodes with Syslog Viewer. Troubleshooting IP Telephony registration issues. MACD issues using the Kurumi portal. Modifies the configuration of IP phones according to customer necessity. Troubleshooting of Voice Gateways, call- signalling protocols on Voice Gateways SIP, H.323, and MGCP. Configuration and troubleshooting of Cisco Unity connection. Configuration and troubleshooting of Extension mobility. Configuration of user features such as speed dial, call forwarding, transfer, Call Park, and call pickup, call forward all, Extension mobility. Configuration and troubleshooting of Voice Interfaces like FXS, FXO and ISDN T1/E1 PRI, SRST. Configuring and troubleshooting of Media Resources (Conference, Annunciator & Music on Hold). Management and Monitoring of CUCM cluster. Configuring router for voice networks. Troubleshooting and Configuration of ICT (Inter Cluster Trunk). Troubleshooting call routing issues. Troubleshooting on SIP trunk calls. Interacted with the client every week to discuss the progress of the project. Management and Monitoring of CUCM cluster. Have clear understanding of UCCE, SBCs(Cisco Cubes and Audiocodes), Expressways (C&E) Monitor alarms and alerts and support client hosted infrastructure servers Have clear understanding on VMWare vSphere 6.x/7.x or later (ESXi/vCenter), Windows Server Management.

Providing Onsite and Remote support for Project. Microsoft 365 Licencing & End User Management Expert in management portals: Azure portal, Microsoft 365 Admin Center, Teams Admin Center & Power Shell. Teams Phone System, PSTN Connectivity options (Calling Plan, Operator Connect and Direct routing). Audio Conferencing, Dial Plans and RegEx. IVR Solutions (Call Que & Auto Attendant). Direct Routing, SSL Certificates.

Installation, setup / configuration, troubleshooting, Tuning, diagnostics and maintenance of networking and related Equipment. Have clear understanding on VOIP protocols like SIP, H.323 and MGCP Knowledge on of ITIL process. Knowledge and use of VOIP and Performance Management Tools and integration experience with other Tools. Have clear understanding on Telecom infrastructure protocols like ISDN and analogy signalling, FXS, FXO, ISDNE1/T1. Moving, Adding, Changing and Deleting Extensions. Implementing and troubleshooting features such as speed dial, call forwarding, Transfer, Call Park, call pickup, Voice mail. Troubleshooting of IP Phone registration issues.

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