10 years experience with Asterisk, VoIP and Linux servers. I have extensive and practical experience with Asterisk and have developed many custom applications with asterisk. Listed below few of the applications that I built over asterisk. * Hosted and Multi Tenant PBX systems * Callcenter Solutions with predictive, preview and progressive dialing * Softswitch with billing solution * Auto dialers * Clicktocall solutions * IVR Solutions