digium certified asterisk administrator.Working on asterisk nearly 5 years and developed.
1. voip billing application with asterisk and freeradius
2. call center application with gotutoidal,vicidial
3. work all on freepbx interfaces like elastix,trixbox,PBX in a Flash and AsteriskNow.
4. Develop voice chat applicatio.
5. confiugure pri's of ata,windstream,and cbeyond proiders and pakistan telecome also.
6. work also on Asterisk Digium cards with fxo and fxs channels.
7. A2billing application with customize new features.
8. IVR soluti