...
telecom property contains a ContactPoint value and this has the system property with the next values: phone, fax, email,
pager,url, sms, and other.In our project, we set the system property to other when we want to store Whatsapp or other social media identifiers in the value property. and the value will have the next format {{socialMediaName}}|{{patientIDsocialMediaID, phoneNumber, email…}}'. Just now, we are only using Whatsapp, so, this validation will be continuously evolving depending on the new communication providers.
...