ZRTP passthru mode code for phil

src/include/switch_channel.h

@@ -403,6 +403,7 @@ SWITCH_DECLARE(void) switch_channel_clear_flag_recursive(switch_channel_t *chann
 SWITCH_DECLARE(switch_status_t) switch_channel_perform_answer(switch_channel_t *channel, const char *file, const char *func, int line);
 
 SWITCH_DECLARE(switch_status_t) switch_channel_perform_mark_answered(switch_channel_t *channel, const char *file, const char *func, int line);
+SWITCH_DECLARE(void) switch_channel_check_zrtp(switch_channel_t *channel);
 
 /*!
   \brief Answer a channel (initiate/acknowledge a successful connection)

src/include/switch_types.h

@@ -1208,6 +1208,8 @@ typedef enum {
 	CF_VIDEO_REFRESH_REQ,
 	CF_SERVICE_AUDIO,
 	CF_SERVICE_VIDEO,
+	CF_ZRTP_HASH,
+	CF_ZRTP_PASS,
 	/* WARNING: DO NOT ADD ANY FLAGS BELOW THIS LINE */
 	/* IF YOU ADD NEW ONES CHECK IF THEY SHOULD PERSIST OR ZERO THEM IN switch_core_session.c switch_core_session_request_xml() */
 	CF_FLAG_MAX