Description: Not all patients hold a Singapore number, thus the app should allow users to put +[country code] before the phone number.
Steps to reproduce: Add a person with Indian number "add -IC S8123456Z -N John Doe -P +91 81234567 -DOB 02/02/1995"
Expected: The patient can be successfully added, and his phone number is +91 81234567
Actual: The person is not allowed to be added
Screenshots:

Description: Not all patients hold a Singapore number, thus the app should allow users to put +[country code] before the phone number.
Steps to reproduce: Add a person with Indian number "add -IC S8123456Z -N John Doe -P +91 81234567 -DOB 02/02/1995"
Expected: The patient can be successfully added, and his phone number is +91 81234567
Actual: The person is not allowed to be added
Screenshots:
