asterisk call centre with CRM

We would need someone experience to build a callcentre in asterisk with CRM . You can use any CRM that are available but describe which CRM you would like to work on and your best bid. We will provide you ssh access to your desired distro of linux and you will need to complete it up and running. Please suggest how your plan to do the whole setup and your proposal.

We will use sip phones or sip softphones for agents. The system should queues, followme after office hours and other outbound and inbound standard features.