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-rw-r--r--include/asterisk/frame.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/asterisk/frame.h b/include/asterisk/frame.h
index 3983c84cf..012f7a952 100644
--- a/include/asterisk/frame.h
+++ b/include/asterisk/frame.h
@@ -292,6 +292,15 @@ enum ast_control_frame_type {
AST_CONTROL_HOLD = 16, /*!< Indicate call is placed on hold */
AST_CONTROL_UNHOLD = 17, /*!< Indicate call is left from hold */
AST_CONTROL_VIDUPDATE = 18, /*!< Indicate video frame update */
+ AST_CONTROL_T38 = 19 /*!< T38 state change request/notification */
+};
+
+enum ast_control_t38 {
+ AST_T38_REQUEST_NEGOTIATE = 1, /*!< Request T38 on a channel (voice to fax) */
+ AST_T38_REQUEST_TERMINATE, /*!< Terminate T38 on a channel (fax to voice) */
+ AST_T38_NEGOTIATED, /*!< T38 negotiated (fax mode) */
+ AST_T38_TERMINATED, /*!< T38 terminated (back to voice) */
+ AST_T38_REFUSED /*!< T38 refused for some reason (usually rejected by remote end) */
};
#define AST_SMOOTHER_FLAG_G729 (1 << 0)
@@ -340,6 +349,12 @@ enum ast_control_frame_type {
/*! Explicitly enable or disable echo cancelation for the given channel */
#define AST_OPTION_ECHOCAN 8
+/* !
+ * Read-only. Allows query current status of T38 on the channel.
+ * data: ast_t38state
+ */
+#define AST_OPTION_T38_STATE 10
+
struct oprmode {
struct ast_channel *peer;
int mode;