== AsteriskSource/res/res_features.c ==
* ast_bridge_call referenced by
 * Dial
 * Followme
 * Queue

* bridge_call in version 0.1.0

* int ast_bridge_call(struct ast_channel *chan,struct ast_channel *peer,struct ast_bridge_config *config)
 * Copy voice back and forth between the two channels.  Give the peer the ability to transfer calls with '#<extension' syntax.
 * struct ast_cdr *chan_cdr = pick_unlocked_cdr(chan->cdr);
 * struct ast_cdr *peer_cdr = pick_unlocked_cdr(peer->cdr);
 * config->start_time = ast_tvnow();
 * pbx_builtin_setvar_helper
  * chan, "BRIDGEPEER", peer->name
  * peer, "BRIDGEPEER", chan->name
  * chan, "BLINDTRANSFER", NULL
 * add_features_datastores(chan, peer, config);
 * if (monitor_ok) {
 * }
 * config->firstpass = 1;
 * if (ast_answer(chan)) return -1;
 * if (!chan_cdr || (chan_cdr && !ast_test_flag(chan_cdr, AST_CDR_FLAG_POST_DISABLED))) {
 * }
 * for (;;) {
  * res = ast_channel_bridge(chan, peer, config, &f, &who);
  * if (config->feature_timer && (!f || f->frametype == AST_FRAME_DTMF_END)) {
  * }
  * if (res < 0) {
   * goto before_you_go;
  * }
  * if (!f || (f->frametype == AST_FRAME_CONTROL && (f->subclass == AST_CONTROL_HANGUP || f->subclass == AST_CONTROL_BUSY || f->subclass == AST_CONTROL_CONGESTION ) ) ) {
   * res = -1;
   * break;
  * }
  * other = (who == chan) ? peer : chan;
  * if (f->frametype == AST_FRAME_CONTROL) {
  * } else if (f->frametype == AST_FRAME_DTMF_BEGIN) {
  * } else if (f->frametype == AST_FRAME_DTMF) {
  * }
  * if (f) ast_frfree(f);
 * }
 * before_you_go:
 * if (ast_test_flag(chan,AST_FLAG_BRIDGE_HANGUP_DONT)) {
  * return res;
 * }
 * if (config->end_bridge_callback) {
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 * }
 * if (!ast_test_flag( (config->features_caller), AST_FEATURE_NO_H_EXTEN) && ast_exists_extension(chan, chan->context, "h", 1, chan->cid.cid_num)) {
 * }
 * new_chan_cdr = pick_unlocked_cdr(chan->cdr);
 * if (bridge_cdr && new_chan_cdr && ast_test_flag(new_chan_cdr, AST_CDR_FLAG_POST_DISABLED)) {
 * }
 * if (bridge_cdr) {
 * }
 * if (new_chan_cdr) {
 * }
 * {
 * }
 * return res;

{{{
AST_FLAG_BRIDGE_HANGUP_DONT
This flag indicates that the hangup exten should NOT be run when the bridge terminates, this will allow the hangup in the pbx loop to be run instead.
}}}

* static void add_features_datastores(struct ast_channel *caller, struct ast_channel *callee, struct ast_bridge_config *config)
 * ds_caller_features = ast_channel_datastore_find(caller, &dial_features_info, NULL);
 * if (!ds_caller_features) {
 * } else {
  * return;
 * }
 * ds_callee_features = ast_channel_datastore_find(callee, &dial_features_info, NULL);
 * if (!ds_callee_features) {
 * }
 * return;