public static switch_status_t switch_channel_queue_dtmf_string(SWIGTYPE_p_switch_channel channel, string dtmf_string) { switch_status_t ret = (switch_status_t)freeswitchPINVOKE.switch_channel_queue_dtmf_string(SWIGTYPE_p_switch_channel.getCPtr(channel), dtmf_string); return ret; }