To view/delete your call history logs, follow these steps:

1️⃣ Select a phone number from the 'Hushed Phone' menu that you'd like to view/delete call history on
2️⃣ Select the 'Calls' icon on the bottom navigation bar
3️⃣ On this screen you should see the call log made to numbers.

-OR- 

4️⃣ Swipe left on calls logged to reveal 'Block/Delete' options. You can also bulk delete your entire call history by selecting the 'Trash' icon in the upper right corner of the screen

❗NOTE: Call History logs that are deleted will be erased from Hushed and cannot be recovered!