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Member since January 21, 2015
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Greetings, Thanks for visiting my profile. This is Abid Ur Rehman, an astute IT/Telecom/Network Professional, having in-depth knowledge & expertise in leading Cisco environment, Microsoft Technologies , Asterisk VoIP, Cloud Computing , Virtualization and Linux and Unix Servers towards organizations empowerment. I have over 5 years of enterprise level professional experience. Currently working at Telappliant Ltd as Sr. VoIP Engineer. I have industry top certifications ( Asterisk dCAP, FreePBX SCE, Linux RHCE, Elastix ECE, 3CX Pro, Cisco CCNA ) which make me the strongest candidate for the projects of ICT. On, we are a team of FreeLancers, who help clients in VoIP, Helpdesk, website development, Graphic and back-end designers, ecommerce, social media marketing, SEO, and system/network administration. Please do not hesitate to contact me if you want to proceed with us, we are happy to help.
$12 USD/hr
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Team Lead| Sr. VoIP Engineer

Mar 2016

Telappliant Ltd is award winning VoIP, Internet and cloud communications provider. We provide VoIPOffice™ phone system, talkAssure™ SIP Trunking, softphone, phone numbers & call plans.  I assisting clients in PBX Installation, VoIP registration, connectivity, security, SIP, IAX2, RTP problems and Voice Quality related issues, finding priority-based solution for their problems and after successful diagnosing, documenting each step in detail  Customer Support on Zendesk with 100% Satisfaction

IT Infrastructure and Network/System Manager

Jun 2015 - Dec 2015 (6 months)

Techloyce provides CRM services and Business Intelligence software solutions to clients worldwide, enabling them to deliver real tangible benefits to their own organization and their customers.  Upgraded their network and system infrastructure to meet the needs of ICT sector and challenges of trends in technologies  Deployed CRMs (Sugar CRM, ZohoCRM, Microsoft CRM and TigerCRM) on customer’s servers.  Installation and Integration of CRM with VoIP servers (Asterisk, FreePBX and Elastix)

IT Manager and VoIP Expert

Jan 2015 - Jun 2015 (5 months)

IBSTec is a UK based digital company dealing in the fields of IT Support, Networking Solutions, Hosting Solutions, Cloud Computing, Security Solutions, Cloud telephony, SIP and IAX Trunk, Supply of printing and stationary.  Infrastructure planning, designing, deployment, operation management, and optimization  Administration of Asterisk based PBXs and Provisioning of SIP and IAX trunks to the clients/subscribers  Provisioning and deployment of Hosted VoIP servers (Elastix/3CX/Wazo/FreePBX)

Network and Linux/Windows System admin

Feb 2014 - Dec 2014 (10 months)

 Network and System Administration  maximizing network performance by monitoring performance, troubleshooting network problems and outages, scheduling upgrades and collaborating with network architects on network optimization  capacity management and audit of IP addressing and hosted devices within company network and data centers (installed in UK)  Managing, configuring, updating and maintaining performance, availability and reliability of Call centers

Network/System admin

Jun 2012 - Mar 2013 (9 months)

 Planning and designing of flexible, scalable campus network for over 80 nodes  Installation of Windows, Linux OS, software and hardware that meet student and academy needs for operation and training  Installation and configuration of LAN/WAN devices  Undertaking data network fault investigations in local and wide area environments, using information from multiple sources  Teaching DIT courses, Computer Networking and Programming (C/C++)  Supervising and Helping student in final projects

Assistant Network Engineer

Jan 2012 - Jun 2012 (5 months)

 Assisting Senior network engineer in overall network management  Managing power resources  Connecting PCs to LAN  Daily Morning network and Nodes checkup  Installation of software on PCs  Documentation and inventory process management


MSc Telacommunication Networks

2014 - 2017 (3 years)

BS Telecommunication

2009 - 2013 (4 years)

DAE (Electrical Technology)

2006 - 2009 (3 years)


Digium Certified Asterisk Professional (2014)


The Digium-Certified Asterisk Professional (dCAP) certification is a verification of your knowledge of Asterisk. The certification covers a specific released, stable version of Asterisk

SIP School Certified Associate (2016)

The SIP School

SSCA certification is an officially endorsed certification by the Telecommunications Industry Association and Bicsi and validates the ability to understand the SIP protocol in depth as well as install, configure and troubleshoot SIP implementations. SSCA is an abbreviation for the SIP School Certified Associate certification from The SIP School.

3cx certified engineer (2016)


This is certification is done prove your experience and hands-on 3CX PBX.

Red Hat Certified Engineer - RHCE (2017)


An RHCE is capable of RHCSA tasks plus the following: Configuring static routes, packet filtering, and network address translation Configuring a system to provide networking services, including HTTP/HTTPS, File Transfer Protocol (FTP), network file system (NFS), server message block (SMB), Simple Mail Transfer Protocol (SMTP), secure shell (SSH) and Network Time Protocol (NTP)

CCNA Routing and Switching (2014)


CCNA certification is for network installation, operations, and troubleshooting

FreePBX Certified Professional (2017)


FreePBX Certified Professional is the certification of approved skills and hands on Sangoma Products.


Asterisk Based Multitenant PABX

Research paper on Asterisk Based Multi Tenant PABX as a part of Master Degree Research


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