FTDM_CHANNEL_INDICATE_BUSY 1813 mod_freetdm/mod_freetdm.c ftdm_channel_call_indicate(sigmsg->channel, FTDM_CHANNEL_INDICATE_BUSY); FTDM_CHANNEL_INDICATE_BUSY 2325 src/ftdm_io.c case FTDM_CHANNEL_INDICATE_BUSY: FTDM_CHANNEL_INDICATE_BUSY 39 src/testanalog.c ftdm_channel_call_indicate(chan, FTDM_CHANNEL_INDICATE_BUSY);