I am a full stack VoIP gateway, Asterisk, Elastix and a2billing server administrator (FreeSWITCH)
I have 7+ years experiences on Elastix, Asterisk, VICI Dial, SIP Trunk, Signaling System 7 (SS7), FXO-FXS, ATA, VoIP Gateway Configure, Kamailio SIP Technologies, xCALLY Integration (Asterisk Call Center),FreeSwitch/ A2billing VoIP billing Class4 & Class5 Soft Switches applications, Database,MySQL, Linux/Unix Open Source Consulting.
You can hire me if you need to implement a distributed VoIP enabled services based on FreeSwitch of voice and messaging products /A2billing that is ready to scale.
I am an hardworking and dedicated Full time Freelancer who Can work hard under pressure when required, meet tight deadlines but not sacrificing quality of my work in the process, self starter with ability to handle multiple tasks, someone who is eager to learn new things, team player, assertive and interested to work towards the accomplishment of company goals and objectives.
I do believe client's satisfaction is the TOP most priority of my service.
Thanks for reading!
Rezaul Karim