.call = zt_call,
.hangup = zt_hangup,
.answer = zt_answer,
+--- asterisk/include/asterisk/channel.h~ 2008-07-20 22:20:30.489834448 +0200
++++ asterisk/include/asterisk/channel.h 2008-07-20 22:24:21.859824471 +0200
+@@ -250,10 +250,8 @@
+ /*! \brief Display or transmit text */
+ int (* const send_text)(struct ast_channel *chan, const char *text);
+
+-#if 0 /* we (Debian) disable that addition because of ABI breakage */
+ /*! \brief send a message */
+ int (* const send_message)(struct ast_channel *chan, const char *dest, const char *text, int ispdu);
+-#endif
+
+ /*! \brief Display or send an image */
+ int (* const send_image)(struct ast_channel *chan, struct ast_frame *frame);
+--- asterisk/main/channel.c~ 2008-07-20 22:20:30.489834448 +0200
++++ asterisk/main/channel.c 2008-07-20 22:25:38.689861614 +0200
+@@ -2496,10 +2496,8 @@
+ if (ast_test_flag(chan, AST_FLAG_ZOMBIE) || ast_check_hangup(chan))
+ return -1;
+ CHECK_BLOCKING(chan);
+-#if 0 /* we (Debian) disable that addition because of ABI breakage */
+ if (chan->tech->send_message)
+ res = chan->tech->send_message(chan, dest, text, ispdu);
+-#endif
+ ast_clear_flag(chan, AST_FLAG_BLOCKING);
+ return res;
+ }