diff --git a/homeassistant/components/mutesync/__init__.py b/homeassistant/components/mutesync/__init__.py
index 7bee5ff5a9b..af14725a3b4 100644
--- a/homeassistant/components/mutesync/__init__.py
+++ b/homeassistant/components/mutesync/__init__.py
@@ -1,7 +1,6 @@
 """The mütesync integration."""
 from __future__ import annotations
 
-from datetime import timedelta
 import logging
 
 import async_timeout
@@ -11,7 +10,7 @@ from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import update_coordinator
 
-from .const import DOMAIN
+from .const import DOMAIN, UPDATE_INTERVAL_IN_MEETING, UPDATE_INTERVAL_NOT_IN_MEETING
 
 PLATFORMS = ["binary_sensor"]
 
@@ -27,7 +26,17 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     async def update_data():
         """Update the data."""
         async with async_timeout.timeout(2.5):
-            return await client.get_state()
+            state = await client.get_state()
+
+            if state["muted"] is None or state["in_meeting"] is None:
+                raise update_coordinator.UpdateFailed("Got invalid response")
+
+            if state["in_meeting"]:
+                coordinator.update_interval = UPDATE_INTERVAL_IN_MEETING
+            else:
+                coordinator.update_interval = UPDATE_INTERVAL_NOT_IN_MEETING
+
+            return state
 
     coordinator = hass.data.setdefault(DOMAIN, {})[
         entry.entry_id
@@ -35,7 +44,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
         hass,
         logging.getLogger(__name__),
         name=DOMAIN,
-        update_interval=timedelta(seconds=5),
+        update_interval=UPDATE_INTERVAL_NOT_IN_MEETING,
         update_method=update_data,
     )
     await coordinator.async_config_entry_first_refresh()
diff --git a/homeassistant/components/mutesync/const.py b/homeassistant/components/mutesync/const.py
index fcf05584f42..5e288b405af 100644
--- a/homeassistant/components/mutesync/const.py
+++ b/homeassistant/components/mutesync/const.py
@@ -1,3 +1,8 @@
 """Constants for the mütesync integration."""
+from datetime import timedelta
+from typing import Final
 
-DOMAIN = "mutesync"
+DOMAIN: Final = "mutesync"
+
+UPDATE_INTERVAL_NOT_IN_MEETING: Final = timedelta(seconds=10)
+UPDATE_INTERVAL_IN_MEETING: Final = timedelta(seconds=5)