CF_HOLD 188 mod_freetdm/mod_freetdm.c if (switch_channel_test_flag(channel, CF_HOLD)) { CF_HOLD 192 mod_freetdm/mod_freetdm.c switch_channel_clear_flag(channel_a, CF_HOLD); CF_HOLD 246 mod_freetdm/mod_freetdm.c switch_channel_set_flag(channel_a, CF_HOLD);