Appsheet based call distribution and managment app for android

we need a free lancer to develop an app for our call distribution and management. we receive 100- 200 calls daily for different departments, and we have to distribute those call within those department to our callers. Once they receive call leads, they call on that number are further label those call accordingly, now after that those call are further forwarded to the assigned caller, so that final action can be taken. 1. we need a call button along with lead 2. lead complete label should be there 3. assigned caller name should appear 4. call should lead should apper on date basis 5. app should have a clean and tidy interference