Develop a CRM system

Hello, we need to develop a CRM system for our company. If you do not know what a CRM system, so do not bid on this project. CRM system should contain the following things: Sellers must create customers in the customer database, then call the customers and create contracts for customers - All merchants should have the opportunity to reserve customers. (Customer Database) - Display all in a timeline, what happens between a seller and a customer - Sellers can search for another seller has reserved one customer - When a seller has interests hosting a customer, he/she have a customer profile, where sellers can add all kind of information about the customer. - Uploading files kundeprofolien, affecting customer Email system (Can integrate an open source e-mail system)   - Inbox   - Sent email   - Trash Calendar system   - Book meetings through customer profiles for clients, with notes Stats   - How much all the sellers have sold for including your own   - See his own Budgett, how much he / she has set a goal. So that becomes a game   - Top 10 sellers list, what he / she has sold, and sold, see monthly sum, daily sum and total sum   - Medals for every seller, all sellers can see what diplomas each seller has seen   - Admin can see all the finery policy   - Salary sellers - When a seller sells to a customer, so it takes a long time before the customer pays, between the time you will not slegeren get paid until the customer has paid - Seller can see all his sales and admin approves any sale that is completed / paid to the addition of the salary - Graph for sale / million sold / turnover - Look at all the contracts that he / she has sold for - Bonuses are recognized - How much he has received in bonuses and why he got this bonus - See all wages from dawn to date Admin   - If something has gone wrong in a contract, so the admin can adjust all contracts, delete, edit and modify   - Admin can change all budget revenues each seller   - Admin can see how many they have reached their budskjett   - Admin should be able to see which customers every seller has interests host / see which customers of the interests verte sold and not sold to   - Admin can lead the customers from one seller to another   - Possibility to change everything in the contract, add, remove, change: From Admin -> For Sellers   - Admin must be able to distribute various diplomas - Admin can add a certificate, diploma which symbol should have, what color diploma must have A more detailed document with the project being handed over at the start of the project.