The UG mentioned that the phone number is specific to Singapore phone number. However, valid phone number with +65 at the start is not accepted.
This might cause a problem because the user might not manually type the phone number, they might copy paste it from somewhere else (e.g. from their Whatsapp chat with the student, etc). Hence, if they copy the phone number with a +65, they need to do an additional step of deleting the +65 manually.
Suggestion: Since the country scope is clear, the developer can consider accepting valid country code +65

The UG mentioned that the phone number is specific to Singapore phone number. However, valid phone number with
+65at the start is not accepted.This might cause a problem because the user might not manually type the phone number, they might copy paste it from somewhere else (e.g. from their Whatsapp chat with the student, etc). Hence, if they copy the phone number with a
+65, they need to do an additional step of deleting the +65 manually.Suggestion: Since the country scope is clear, the developer can consider accepting valid country code
+65