I am an Expert in Asterisk server ,contarra server ,Envox server configuration and Programming.I have 4 years of experience in Asterisk ,Contarra , Envox ,vxml etc and in last 4 years I have completed 20 projects world-wide and got excellent reviews in each of them, I am a very friendly developer, who delivers project on or before time-line, I support my projects in free up to 1 year of project completion. You can get me 18 hours online every day. Thanks and Regards : Rajesh