Experience

Link3 Technologies Limited

• Bangladesh
• Information Technology & Services
• 700 & Above Employee

• Manager

  • Jul 2021 - Present

• Deputy Manager

  • Aug 2017 - Jun 2021



Getco Online Ltd

• Dhaka.

• Assist.Manager (IP Telephoney)

  • Jan 2013 - Aug 2017

  Establishing ICX Connectivity. Configuring & Managing Asterisk Server for Establishing IP Phone. Configuring and Establishing Different types of IP PABX like-Asterisk Free PABX, Elastix, Zorkom, Open sip, 3CX, etc and Customizing & integrating IVR with this system. Configuring and Establishing IP Phone connectivity service in BCBL Bank.Establishing Call Center solution in different call center & Private Bank & private Organization by using open source technology. Configuring Different types of ATA like Linksys ,grandstream ,Fanvil ,IP Phone Set,video phone set.Working on Porta Billing (Hardware Based) device for IP Phone Bill Generation, Number creation & Authentication. Show less



MetroNet Bangladesh Ltd

• Dhaka

• Systems Engineer

  • Mar 2012 - Nov 2012

  Configuring & Managing Asterisk Server for Establishing IP Phone. Establishing ICX Connectivity. Configuring and Establishing IP PABX.Its integrated IVR,Call Center solution etc. Configuring and Establishing IP Phone connectivity service in SIBL Bank. Working on Different types of ATA like linksys,grandstream etc. Working on A2billing & Btelbilling(Software based proxy & billing),Welltech(Hardware Based) device for IP Phone Bill Generation,Number creation & Authentication. Configuring & Managing Asterisk Server for Establishing IP Phone. Establishing ICX Connectivity. Configuring and Establishing IP PABX.Its integrated IVR,Call Center solution etc. Configuring and Establishing IP Phone connectivity service in SIBL Bank. Working on Different types of ATA like linksys,grandstream etc. Working on A2billing & Btelbilling(Software based proxy & billing),Welltech(Hardware Based) device for IP Phone Bill Generation,Number creation & Authentication.



Information Services Network Ltd. (ISN)

• Dhaka

• Asst. System Admin

  • Nov 2011 - Feb 2012

  Configuring & Managing Asterisk Server for Establishing IP Phone. Configuring & Managing SS7 Server for Establishing ICX Connectivity. Configuring & Customizing Elastix Server at the Different Corporate Houses. Configuring IP PABX. Configuring IVR According to the IP PABX Subscriber Demand. Working on Different types of ATA. Different Types of Reporting & IP Phone Bill Generating from Btelbilling Software. Working on A2Billing Software for IP Phone Bill Generation. Configuring & Managing Asterisk Server for Establishing IP Phone. Configuring & Managing SS7 Server for Establishing ICX Connectivity. Configuring & Customizing Elastix Server at the Different Corporate Houses. Configuring IP PABX. Configuring IVR According to the IP PABX Subscriber Demand. Working on Different types of ATA. Different Types of Reporting & IP Phone Bill Generating from Btelbilling Software. Working on A2Billing Software for IP Phone Bill Generation.



National Telecom Ltd.

• Dhaka

• Telecom Engineer

  • Nov 2009 - Oct 2011

  •Switching: Monitoring UMG8900. Monitoring Different frames. Monitoring VLR functionality in CSOFTX3000 By using MVDB card. Monitoring DIP switch for select frame no. Checking SS7 signaling link. •BSS: Monitoring system running information. Check connections. Adjust parameters. Alarm analysis. Check the board state from BTS Equipment panel on LMT. •Transmission: Monitoring, maintaining and troubleshooting the radio paths using the NMS. Adding, removing and configuring nodes. This also includes the installation and maintenance of ODUs, IDUs, and physical interconnectivity between other ICX, mobile operators and companies which are leasing E1or STM-1 for the connectivity of their offices using the backbone of National Telecom Limited.. •PDSN: Monitoring and maintaining of PDSN. Troubleshooting, tracing and internet package managements. •SMSC: Working different module of SMSC Nodes. Working on CDMA MAP Server. Working on two-node cluster management module and file Mirror. Checking the alarms of SMSC. Checking the SMSC Scheduling process. Monitor networking and signaling flows of SMSC Node. Established SMSC connectivity between different operator. •DATA COM: Linux based server configuration like Mail, DNS, Proxy, Web, DHCP etc. Cisco Router-2600/2800, Cisco Switch-2960, Radio link setup for point-to-point communication. Creating VLAN by using level-1 & D-link switches. Manages Data network. Site survey. Show less



Flora Telecom

• Dhaka

• Assistant Systems Engineer

  • Jul 2008 - Oct 2009

  Given Software Services & Customer Support of different branches of Bangladesh Bank. VLAN for creating intra network different branches of Bangladesh Bank. Manages Data network of Bangladesh Bank. WiFi access point configure and maintenance. System Monitoring & troubleshooting. Network monitoring & troubleshooting. Given Software Services & Customer Support of different branches of Bangladesh Bank. VLAN for creating intra network different branches of Bangladesh Bank. Manages Data network of Bangladesh Bank. WiFi access point configure and maintenance. System Monitoring & troubleshooting. Network monitoring & troubleshooting.



Asia Infosys ltd.

• Dhaka

• Network Support Engineer

  • Jan 2008 - Jun 2008

  Maintain LAN network in the Motijheel office area. Provide internet connections to the user. Provide support to the internet user. Network traffic monitoring, Controlling bandwidth. Work as a trainer in training program. Provide mail services to the user by configuring outlook express,solving mail problems. Assembling pc’s, installing software’s, trouble shooting software and hardware related problems. Develop and deploy LAN strategies, making RJ-45 connections, Modular connections, LAN cabling. Connecting cables in patch panels. Configuring & maintaining Hub, Switches, Radio Link and other LAN/WAN equipments. Show less