public static switch_status_t switch_core_session_send_dtmf_string(SWIGTYPE_p_switch_core_session session, string dtmf_string) { switch_status_t ret = (switch_status_t)freeswitchPINVOKE.switch_core_session_send_dtmf_string(SWIGTYPE_p_switch_core_session.getCPtr(session), dtmf_string); return ret; }