VoIP server and A2Billing Customer portal redesign. AGI Customization for various addon features like sms callback email callback. Various other task on asterisk like dialplan configuration, adding trunks ,inbound DID's Calling card configuration with pinless dialing feature.
I have more than 7 years of experience in asterisk,linux,php,voip and a2billing. Mobile VoIP Dialers A2Billing Customer portal design My key skills are Android, IOS applications, asterisk,freepbx,php,linux,mysql,voip,agi scripting, ivr design etc.I have done various projects like Callshop,A2Billing,Android development,sms callback email callback,Custom AGI Scripts,IVR development.