{"total":1,"results":[{"code":400,"name":"INVITE_FORBIDDEN_WITH_JOINAS","methods":["phone.inviteToGroupCall"],"description":"If the user has anonymously joined a group call as a channel, they can't invite other users to the group call because that would cause deanonymization, because the invite would be sent using the original user ID, not the anonymized channel ID."}],"layer":227}