Sales teams can now schedule or log phone calls directly from an opportunity form. The CRM also tracks the number of related calls, helping teams follow up more consistently and see call activity at a glance.

... and counting no. of calls
https://www.odoo.com/web?#id=9692&view_type=form&model=project.task&menu_id=3942&action=327
pad link: https://pad.odoo.com/p/r.50gngfEsc7owm22s