protected boolean send(final Principal principal, final Ticket tokenTicket,
                           final RequestContext requestContext) {
        return send(principal, tokenTicket, requestContext, getSmsRecipients(principal));
    }
This is {@link CasSimpleMultifactorSendSms}.

@author Misagh Moayyed
@since 7.0.0
support/cas-server-support-simple-mfa-core/src/main/java/org/apereo/cas/mfa/simple/web/flow/CasSimpleMultifactorSendSms.java