Summary
Overview
Work History
Education
Skills
Certification
Playing Chess
Timeline
Generic
Nashim Khan

Nashim Khan

Unified Communication Engineer
City of London

Summary

Results-driven IT professional with extensive experience in VoIP technologies, specializing in Cisco Unified Communications (CUCM, Unity), UC applications, Zoom phone system, and voice gateways. Proficient in troubleshooting, configuring, and optimizing enterprise voice and collaboration solutions to ensure seamless communication. Strong analytical and problem-solving skills with a deep understanding of SI, H.323, MGC, and RTP protocols. Adept at resolving complex voice-related issues, enhancing system performance, and ensuring high availability of communication networks. Passionate about leveraging technology to drive business efficiency and innovation.

Overview

11
11
years of professional experience
5
5
years of post-secondary education
3
3
Certifications
2
2
Languages

Work History

Senior Technical Consultant

Orange Business Services
01.2023 - Current
  • Zoom phone provisioning, Creating Call queue, auto reception, managing user and their licenses. Configuring Hard phones on Zoom. Managing extensions
  • Checking Zoom phone logs for calling troubleshooting.
  • Engaging Zoom team and coordinate to resolve service provider issues
  • AudioCodes access for managing SBC's
  • Troubleshooting on Gateway PRI lines for Zoom related issues
  • Administration of UC Applications: CUCM, CUC, Voice Gateways.
  • Operational efficiency: Completion of REQ's, INC's within SLA.
  • Inbound/ Outbound Calls: troubleshooting issues with inbound and outbound calls.
  • Dial Plan Creation: Configuring dial plans for external or internal call routing.
  • Softphones/IP Phones: Configure and troubleshoot registration issues.
  • Vendor Management: Engaging and coordinating with service provider to fix ongoing issues.
  • Contributed to knowledge sharing among colleagues by conducting workshops and creating instructional materials related to specialized expertise.

Senior Voice Engineer

Intersoft Data Labs
11.2021 - 01.2023
  • Responsible for Handling Cases for the BBBY Stores.
  • Incoming and outgoing call issues
  • Handling IP telephony Issues
  • Working on Issue related to SIP
  • Debugging gateway issues on SIP
  • Creating and resolving Hunt group issues
  • Work on CME and Gateway
  • Dealing Priority cases of our stores
  • Creating Call handlers in Unity
  • Use CDR and RTMT tool for debugging
  • Issues related to Sip Trunks, Route Pattern, Dial peers
  • Deal with System call handlers to make changes in IVR and store timings.

Senior Specialist

HCL Technologies
11.2016 - 11.2021
  • Cisco Unified Communications Manager Administration
  • Administration of CUCM 11.5, 10.5 and CUC 9.1 clusters.
  • Assignation of extensions, creating Device Profile (DP) of the required Cisco model.
  • Soft Phone creation, Extension Mobility (Roaming profile) setup.
  • Creation/Deletion of voicemail, and add-on features for voicemail like 0 opt out.
  • Resolving issues related to CSS, Desk phone issues, Soft phone issues both on Windows (CIPC).
  • Troubleshooting Cisco phone set if it is in 'Not Registered' or 'unknown' state.
  • Configuration of Forced Authorization Code (FAC).
  • Educating users with Desk phone/Soft phone/CCM User Interface usage, fixing day to day Dialing issues.
  • Handling termination of Extensions.
  • Using Bulk Admin tool to add, modifying and delete users in CUCM as well as CUC.
  • Installing Jabber and supporting issues related MACD.
  • Enabling/Disabling Voice recording on Cisco phones using NICE platform.
  • Add Phone line appearance and creating Single Number reach (SNR).
  • Assisting user regarding Extension Mobility Cross Cluster(EMCC).
  • Configuring gateways on FXX/FXO ports for Fax machines installation.
  • Handled Migration project from CUCM version 8.5 to CUCM version 10.5.
  • Handling System generated Tickets as well as User Tickets.
  • Handling Changes in UC Environment within time schedule.
  • Extension Assignation, User ID creation, Desk phone Assignation, Soft phone Creation.

Technical Support Engineer

Convergys India PVT LTD
09.2014 - 11.2016
  • Providing technical support on Escalated tickets by Tier 1
  • Supporting Windows 7,8,8.1 and 10 installations.
  • All Desktop related issues like no internet or any kind of installation and activation.
  • Supporting all issues regarding Windows like updates, installing printers, no internet, no boot, installation of software, repairing services, creating partitions for Windows installation.
  • Installation of Office applications. Like Skype, Word, Excel etc.
  • Dealt with Outlook issues.

Education

Bachelor - Computer

Jaipur National University
01.2012 - 01.2014

Diploma - CSE

Ganpati's
07.2008 - 08.2011

High School - undefined

Holy cross public school

Skills

Zoom telephony

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Certification

Cisco Certified Network Associate (CCNA)

Playing Chess

I won the chess championship at college level

Timeline

MS team 721

05-2025

MS Teams 700

04-2025

Senior Technical Consultant

Orange Business Services
01.2023 - Current

Senior Voice Engineer

Intersoft Data Labs
11.2021 - 01.2023

Cisco Certified Network Associate (CCNA)

03-2020

Senior Specialist

HCL Technologies
11.2016 - 11.2021

Technical Support Engineer

Convergys India PVT LTD
09.2014 - 11.2016

Bachelor - Computer

Jaipur National University
01.2012 - 01.2014

Diploma - CSE

Ganpati's
07.2008 - 08.2011

High School - undefined

Holy cross public school

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Nashim KhanUnified Communication Engineer