diff --git a/payphone/bot.py b/payphone/bot.py
index ff05553..2015c8f 100644
--- a/payphone/bot.py
+++ b/payphone/bot.py
@@ -85,14 +85,14 @@ class Payphone(commands.AutoShardedBot):
 
     async def get_or_fetch_channel(
         self, channel_id: int
-    ) -> abc.GuildChannel | abc.PrivateChannel | None:
+    ) -> abc.GuildChannel | abc.PrivateChannel | discord.Thread | None:
         """Get's a channel from the bot's cache, or fetches it from Discord if it's not available.
 
         Args:
             channel_id (int): The channel's ID.
 
         Returns:
-            (abc.GuildChannel | abc.PrivateChannel | None): The channel, or None if not found.
+            (abc.GuildChannel | abc.PrivateChannel | discord.Thread | None): The channel, or None if not found.
         """
 
         channel = self.get_channel(channel_id)
diff --git a/payphone/cogs/calls/cog.py b/payphone/cogs/calls/cog.py
index 093fad0..9a595bc 100644
--- a/payphone/cogs/calls/cog.py
+++ b/payphone/cogs/calls/cog.py
@@ -1101,6 +1101,130 @@ class Calls(base.Cog):
 
             # TODO: Edit replies.
 
+    @commands.Cog.listener()
+    async def on_raw_reaction_add(
+        self, payload: discord.RawReactionActionEvent
+    ) -> None:
+        if payload.user_id == self.bot.user.id:
+            return
+
+        channel = await models.Channel.get_or_none(id=payload.channel_id)
+
+        if channel is None:
+            return
+
+        if channel.call_id is None:
+            return
+
+        call_id = channel.call_id
+
+        other_channel_id = None
+        other_channel_message_id = await redis.hget(
+            constants.CALL_MESSAGE_FROM_PROPAGATION_TEMPLATE % call_id,
+            payload.message_id,
+        )
+
+        if other_channel_message_id is None:
+            other_channel_message_json = await redis.hget(
+                constants.CALL_MESSAGES_TEMPLATE % call_id, payload.message_id
+            )
+
+            if other_channel_message_json is None:
+                return
+
+            other_channel_message_dict = orjson.loads(other_channel_message_json)
+
+            if other_channel_message_dict["propagation_id"] is None:
+                # The message wasn't propagated
+                return
+
+            other_channel_id = other_channel_message_dict["propagation_channel_id"]
+            other_channel_message_id = other_channel_message_dict["propagation_id"]
+
+        else:
+            other_channel = await models.Channel.get_or_none(
+                call_id=call_id, id__not=payload.channel_id
+            )
+
+            if other_channel is not None:
+                other_channel_id = other_channel.id
+
+            else:
+                return
+
+            other_channel_message_id = int(other_channel_message_id)
+
+        channel = await self.bot.get_or_fetch_channel(other_channel_id)
+
+        if channel is None:
+            return
+
+        await channel.get_partial_message(other_channel_message_id).add_reaction(
+            payload.emoji
+        )
+
+    @commands.Cog.listener()
+    async def on_raw_reaction_remove(
+        self, payload: discord.RawReactionActionEvent
+    ) -> None:
+        if payload.user_id == self.bot.user.id:
+            return
+
+        channel = await models.Channel.get_or_none(id=payload.channel_id)
+
+        if channel is None:
+            return
+
+        if channel.call_id is None:
+            return
+
+        call_id = channel.call_id
+
+        other_channel_id = None
+        other_channel_message_id = await redis.hget(
+            constants.CALL_MESSAGE_FROM_PROPAGATION_TEMPLATE % call_id,
+            payload.message_id,
+        )
+
+        if other_channel_message_id is None:
+            other_channel_message_json = await redis.hget(
+                constants.CALL_MESSAGES_TEMPLATE % call_id, payload.message_id
+            )
+
+            if other_channel_message_json is None:
+                return
+
+            other_channel_message_dict = orjson.loads(other_channel_message_json)
+
+            if other_channel_message_dict["propagation_id"] is None:
+                # The message wasn't propagated
+                return
+
+            other_channel_id = other_channel_message_dict["propagation_channel_id"]
+            other_channel_message_id = other_channel_message_dict["propagation_id"]
+
+        else:
+            other_channel = await models.Channel.get_or_none(
+                call_id=call_id, id__not=payload.channel_id
+            )
+
+            if other_channel is not None:
+                other_channel_id = other_channel.id
+
+            else:
+                return
+
+            other_channel_message_id = int(other_channel_message_id)
+
+        channel = await self.bot.get_or_fetch_channel(other_channel_id)
+
+        if channel is None:
+            return
+
+        await channel.get_partial_message(other_channel_message_id).remove_reaction(
+            payload.emoji, self.bot.user
+        )
+
 
 def setup(b: bot.Payphone) -> None:
     """Load the cog into the bot.