FTDM_CHANNEL_INDICATE_BUSY 1743 mod_freetdm/mod_freetdm.c 				ftdm_channel_call_indicate(sigmsg->channel, FTDM_CHANNEL_INDICATE_BUSY);
FTDM_CHANNEL_INDICATE_BUSY 2183 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);