...throwing all calls into one big scrolling list has made retrieving specific types of calls more complicated.

Don't replace complication with another flavor of complication and automatically call it better, or arbitrarily dismiss other suggestions due to different forms of complication.

Face it: providing access to filters and sorting features adds a layer of complexity... but the usefulness is highly desired. So the solution is find a way to maximize information sorting/categorizing while minimizing "in your face" UI elements to get at it.

Don't tell me that can't be done.