SS7 marked the start of an open season for trunk again but here's something minor - abstract early bridging into the technology so that we don't always assume they use RTP and try it.

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@43437 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 10 insertions, 0 deletions

diff --git a/include/asterisk/channel.h b/include/asterisk/channel.h
index d54a1bdd7..4f636d185 100644
--- a/include/asterisk/channel.h
+++ b/include/asterisk/channel.h
@@ -238,6 +238,9 @@ struct ast_channel_tech {
 	enum ast_bridge_result (* const bridge)(struct ast_channel *c0, struct ast_channel *c1, int flags,
 						struct ast_frame **fo, struct ast_channel **rc, int timeoutms);
 
+	/*! \brief Bridge two channels of the same type together (early) */
+	enum ast_bridge_result (* const early_bridge)(struct ast_channel *c0, struct ast_channel *c1);
+
 	/*! \brief Indicate a particular condition (e.g. AST_CONTROL_BUSY or AST_CONTROL_RINGING or AST_CONTROL_CONGESTION */
 	int (* const indicate)(struct ast_channel *c, int condition, const void *data, size_t datalen);
 
@@ -965,6 +968,13 @@ int ast_readstring_full(struct ast_channel *c, char *s, int len, int timeout, in
  * \return Returns 0 on success and -1 if it could not be done */
 int ast_channel_make_compatible(struct ast_channel *c0, struct ast_channel *c1);
 
+/*! Bridge two channels together (early)
+ * \param c0 first channel to bridge
+ * \param c1 second channel to bridge
+ * Bridge two channels (c0 and c1) together early. This implies either side may not be answered yet.
+ * \return Returns 0 on success and -1 if it could not be done */
+int ast_channel_early_bridge(struct ast_channel *c0, struct ast_channel *c1);
+
 /*! Bridge two channels together 
  * \param c0 first channel to bridge
  * \param c1 second channel to bridge