added TONE_HANGUP, also added Tone generation by mISDN_dsp for post hangup tones, therefore the TONE_X defines are in the isdn_lib.h now. changed a REALEASE to a DISCONNECT in NT Stack, to make tones available in that state.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@34604 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/misdn/isdn_lib.h

@@ -21,6 +21,19 @@
 
 
 
+enum tone_e {
+	TONE_NONE=0,
+	TONE_DIAL,
+	TONE_ALERTING,
+	TONE_FAR_ALERTING,
+	TONE_BUSY,
+	TONE_HANGUP,
+	TONE_CUSTOM,
+	TONE_FILE
+};
+
+
+
 #define MAX_BCHANS 30
 
 enum bchannel_state {
@@ -376,6 +389,7 @@ int misdn_lib_send_facility(struct misdn_bchannel *bc, enum facility_type fac, v
 void manager_ec_enable(struct misdn_bchannel *bc);
 void manager_ec_disable(struct misdn_bchannel *bc);
 
+void misdn_lib_send_tone(struct misdn_bchannel *bc, enum tone_e tone);
 
 void get_show_stack_details(int port, char *buf);