One of RingCentral's most popular features is custom fields. However, this feature is often not enabled by default.
If you are receiving the following error:
{
"errorCode": "BIL-103",
"message": "Feature uCustomFields] is not available for current account",
"errors": o
{ "errorCode": "BIL-103",
"message": "Feature eCustomFields] is not available for current account"
}
],
"feature": "CustomFields"
}
Then the custom field feature needs to be enabled for your account, which can be done free of charge by our support team: