Get BP contact address details with API_BUSINESS_PARTNER

[SAPSupport]

BP DIGITS has contact PHONE_NUMBER with an address with all the details (e-mail, fax, telephone, mobile phone; see attached document). We cannot find a way to retrieve these details with REST API API_BUSINESS_PARTNER.

We are calling GET /sap/opu/odata/sap/API_BUSINESS_PARTNER/A_BPContactToAddress?$filter=BusinessPartnerCompany eq 'DIGITS'&$expand=to_EmailAddress,to_FaxNumber,to_MobilePhoneNumber,to_PhoneNumber

But in the response we just receive empty arrays:

"to_EmailAddress": {
                    "results": []
                },
                "to_FaxNumber": {
                    "results": []
                },
                "to_MobilePhoneNumber": {
                    "results": []
                },
                "to_PhoneNumber": {
                    "results": []
                },

Can you instruct us what is the right way to retrieve the data?

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[SAPSupport · Accepted solution]

Please try the url:
/sap/opu/odata/sap/API_BUSINESS_PARTNER/A_BusinessPartnerContact(RelationshipNumber='xxx',BusinessPartnerCompany='xxxxx',BusinessPartnerPerson='xxxx',ValidityEndDate=datetime'9999-12-31T00:00:00')/to_ContactRelationship?$format=json