If you cannot press “Delivered” after a job is complete, it is likely that the value for “Minimum wait” in “Settings – Dispatch – 2. Assignment” is too high.
https://admin.taxicaller.net/admin/settings/dispatch.php#company_tab_assignment
Under “Settings – Dispatch – 2. Assignment – Dispatch Timings, ” adjust the “Minimum time” to an amount that fits with the minimum length of time the driver must wait before pressing “Delivered.”
You can read more about Dispatch Timings here: https://www.taxicaller.com/manuals/admin-panel/3/en/topic/other-advanced-features#driver-conduct