Dashboard → Left side Menu → Publisher option.
Publisher Listing Page → Top Right side → “Add” button → Below of Personal Information form you get the Lead Type section.
Select any Lead Type → End of section → Checked “Call Hub” field.
Phonebooks → Select phonebook which you want to add → Get ID from URL.
Here, you can see the example → https://prnt.sc/h7ZJ-0klqLUW.