Asterisk dialer requires 2 kind of improvments:
1. GUI [php] improvements: like delete blank spaces on a web page, hyperlink button to an specific web page, change column name from "discoonect"to "discoonect" , review/fix time stamps synchronization etc
2. Installation/configuration of email server
Full detail of project is presented on 12 slides PPT. YOU MUST SEE THAT PPT BEFORE BIDDING.