diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a551a155..6274bc1e9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -53,6 +53,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   contain a combination of function calls, function call responses, system
   messages, or just messages.
 
+- Additional DTMF frames
+
 ### Fixed
 
 - Fixed an issue where `ElevenLabsTTSService` messages would return a 1009
diff --git a/src/pipecat/frames/frames.py b/src/pipecat/frames/frames.py
index e1239a2f8..d9d19f3ee 100644
--- a/src/pipecat/frames/frames.py
+++ b/src/pipecat/frames/frames.py
@@ -397,12 +397,22 @@ class TransportMessageFrame(DataFrame):
 
 
 @dataclass
-class InputDTMFFrame(DataFrame):
-    """A DTMF button input"""
+class DTMFFrame(DataFrame):
+    """A DTMF button frame"""
 
     button: KeypadEntry
 
 
+@dataclass
+class InputDTMFFrame(DTMFFrame):
+    """A DTMF button input"""
+
+
+@dataclass
+class OuputDTMFFrame(DTMFFrame):
+    """A DTMF button output"""
+
+
 #
 # System frames
 #