farz647

1. Installed and Configure PBX (Asterisk, TrixBox, Vicidial, Elastix, OpenSer) for various call related features Open-NMS (Network-Monitoring-System) and Negios for whole network monitoring and operations, J-billing for Billing and invoice purpose, Sugar-CRM for Customer relationship management and VOIP-Phones and PBX. 2. Implementation of A2Billing, Free-switch with webgui Wikipbx. 3. Installed and Worked on Windows Server 2003, 2008, Internet proxy like Internet Security Acceleration (ISA) Exchange Server, Active Directory, and DNS. 4. Worked on Videoconferencing, CCTV Cameras and DVR as well. 5. Worked on Open Source Software. 6. Design help-line for GupShup Calling Card launched in UK and providing support as wells. 7. Project for Ministry of Interior, Implemented Soft PBX for routing of Inbound and Outbound calls with Digium400p. In which I Implemented call parking, Queues, Voicemails and Call transferring with Time based rules. 8. Implemented VM-Ware, XEN and Virtual box virtualization in a fully virtualized environment. 9. Implemented OpenLDAP, DRBD and High Availability Cluster Heartbeat servers, Implemented Load Balancer, Raid and Raid5 and Troubleshooting of Linux Systems as well. 10. Implemented Squid and transparent squid.