diff --git a/homeassistant/components/voice_assistant/pipeline.py b/homeassistant/components/voice_assistant/pipeline.py
index 73f710afe67..b30e3b07474 100644
--- a/homeassistant/components/voice_assistant/pipeline.py
+++ b/homeassistant/components/voice_assistant/pipeline.py
@@ -401,6 +401,7 @@ class PipelineRun:
             tts_media = await media_source.async_resolve_media(
                 self.hass,
                 tts_media_id,
+                None,
             )
         except Exception as src_error:
             _LOGGER.exception("Unexpected error during text to speech")
diff --git a/homeassistant/components/voip/__init__.py b/homeassistant/components/voip/__init__.py
index daf946f688e..dddb2723102 100644
--- a/homeassistant/components/voip/__init__.py
+++ b/homeassistant/components/voip/__init__.py
@@ -3,17 +3,21 @@ from __future__ import annotations
 
 import asyncio
 from collections.abc import Callable
+from dataclasses import dataclass
 import logging
 
 from voip_utils import SIP_PORT
 
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import CONF_IP_ADDRESS
+from homeassistant.const import Platform
 from homeassistant.core import HomeAssistant
+from homeassistant.helpers import device_registry as dr
 
 from .const import DOMAIN
+from .devices import VoIPDevices
 from .voip import HassVoipDatagramProtocol
 
+PLATFORMS = (Platform.SWITCH,)
 _LOGGER = logging.getLogger(__name__)
 _IP_WILDCARD = "0.0.0.0"
 
@@ -24,18 +28,26 @@ __all__ = [
 ]
 
 
+@dataclass
+class DomainData:
+    """Domain data."""
+
+    transport: asyncio.DatagramTransport
+    devices: VoIPDevices
+
+
 async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Set up VoIP integration from a config entry."""
-    ip_address = entry.data[CONF_IP_ADDRESS]
-    _LOGGER.debug(
-        "Listening for VoIP calls from %s (port=%s)",
-        ip_address,
-        SIP_PORT,
-    )
-    hass.data[DOMAIN] = await _create_sip_server(
+    devices = VoIPDevices(hass, entry)
+    transport = await _create_sip_server(
         hass,
-        lambda: HassVoipDatagramProtocol(hass, {str(ip_address)}),
+        lambda: HassVoipDatagramProtocol(hass, devices),
     )
+    _LOGGER.debug("Listening for VoIP calls on port %s", SIP_PORT)
+
+    hass.data[DOMAIN] = DomainData(transport, devices)
+
+    await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
 
     return True
 
@@ -57,9 +69,15 @@ async def _create_sip_server(
 
 async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Unload VoIP."""
-    transport = hass.data.pop(DOMAIN, None)
-    if transport is not None:
-        transport.close()
+    if unload_ok := await hass.config_entries.async_unload_platforms(entry, PLATFORMS):
         _LOGGER.debug("Shut down VoIP server")
+        hass.data.pop(DOMAIN).transport.close()
 
+    return unload_ok
+
+
+async def async_remove_config_entry_device(
+    hass: HomeAssistant, config_entry: ConfigEntry, device_entry: dr.DeviceEntry
+) -> bool:
+    """Remove config entry from a device."""
     return True
diff --git a/homeassistant/components/voip/config_flow.py b/homeassistant/components/voip/config_flow.py
index ca9600bc9bb..2c9649d911d 100644
--- a/homeassistant/components/voip/config_flow.py
+++ b/homeassistant/components/voip/config_flow.py
@@ -1,26 +1,13 @@
 """Config flow for VoIP integration."""
 from __future__ import annotations
 
-import logging
 from typing import Any
 
-import voluptuous as vol
-
 from homeassistant import config_entries
-from homeassistant.const import CONF_IP_ADDRESS
 from homeassistant.data_entry_flow import FlowResult
-from homeassistant.util import network
 
 from .const import DOMAIN
 
-_LOGGER = logging.getLogger(__name__)
-
-STEP_USER_DATA_SCHEMA = vol.Schema(
-    {
-        vol.Required(CONF_IP_ADDRESS): str,
-    }
-)
-
 
 class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for VoIP integration."""
@@ -35,18 +22,7 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
             return self.async_abort(reason="single_instance_allowed")
 
         if user_input is None:
-            return self.async_show_form(
-                step_id="user", data_schema=STEP_USER_DATA_SCHEMA
-            )
-
-        errors: dict = {}
-        if not network.is_ipv4_address(user_input[CONF_IP_ADDRESS]):
-            errors[CONF_IP_ADDRESS] = "invalid_ip_address"
-            return self.async_show_form(
-                step_id="user",
-                data_schema=STEP_USER_DATA_SCHEMA,
-                errors=errors,
-            )
+            return self.async_show_form(step_id="user")
 
         return self.async_create_entry(
             title="Voice over IP",
diff --git a/homeassistant/components/voip/devices.py b/homeassistant/components/voip/devices.py
new file mode 100644
index 00000000000..3f853369b33
--- /dev/null
+++ b/homeassistant/components/voip/devices.py
@@ -0,0 +1,79 @@
+"""Class to manage devices."""
+from __future__ import annotations
+
+from collections.abc import Callable
+
+from voip_utils import CallInfo
+
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers import device_registry as dr, entity_registry as er
+
+from .const import DOMAIN
+
+
+class VoIPDevices:
+    """Class to store devices."""
+
+    def __init__(self, hass: HomeAssistant, config_entry: ConfigEntry) -> None:
+        """Initialize VoIP devices."""
+        self.hass = hass
+        self.config_entry = config_entry
+        self._new_device_listeners: list[Callable[[dr.DeviceEntry], None]] = []
+
+    @callback
+    def async_add_new_device_listener(
+        self, listener: Callable[[dr.DeviceEntry], None]
+    ) -> None:
+        """Add a new device listener."""
+        self._new_device_listeners.append(listener)
+
+    @callback
+    def async_allow_call(self, call_info: CallInfo) -> bool:
+        """Check if a call is allowed."""
+        dev_reg = dr.async_get(self.hass)
+        ip_address = call_info.caller_ip
+
+        user_agent = call_info.headers.get("user-agent", "")
+        user_agent_parts = user_agent.split()
+        if len(user_agent_parts) == 3 and user_agent_parts[0] == "Grandstream":
+            manuf = user_agent_parts[0]
+            model = user_agent_parts[1]
+            fw_version = user_agent_parts[2]
+        else:
+            manuf = None
+            model = user_agent if user_agent else None
+            fw_version = None
+
+        device = dev_reg.async_get_device({(DOMAIN, ip_address)})
+
+        if device is None:
+            device = dev_reg.async_get_or_create(
+                config_entry_id=self.config_entry.entry_id,
+                identifiers={(DOMAIN, ip_address)},
+                name=ip_address,
+                manufacturer=manuf,
+                model=model,
+                sw_version=fw_version,
+            )
+            for listener in self._new_device_listeners:
+                listener(device)
+            return False
+
+        if fw_version is not None and device.sw_version != fw_version:
+            dev_reg.async_update_device(device.id, sw_version=fw_version)
+
+        ent_reg = er.async_get(self.hass)
+
+        allowed_call_entity_id = ent_reg.async_get_entity_id(
+            "switch", DOMAIN, f"{ip_address}-allow_call"
+        )
+        # If 2 requests come in fast, the device registry entry has been created
+        # but entity might not exist yet.
+        if allowed_call_entity_id is None:
+            return False
+
+        if state := self.hass.states.get(allowed_call_entity_id):
+            return state.state == "on"
+
+        return False
diff --git a/homeassistant/components/voip/entity.py b/homeassistant/components/voip/entity.py
new file mode 100644
index 00000000000..1114e933545
--- /dev/null
+++ b/homeassistant/components/voip/entity.py
@@ -0,0 +1,26 @@
+"""VoIP entities."""
+
+from __future__ import annotations
+
+from homeassistant.const import EntityCategory
+from homeassistant.helpers import device_registry as dr, entity
+
+from .const import DOMAIN
+
+
+class VoIPEntity(entity.Entity):
+    """VoIP entity."""
+
+    _attr_has_entity_name = True
+    _attr_should_poll = False
+    _attr_entity_category = EntityCategory.CONFIG
+
+    def __init__(self, device: dr.DeviceEntry) -> None:
+        """Initialize VoIP entity."""
+        ip_address: str = next(
+            item[1] for item in device.identifiers if item[0] == DOMAIN
+        )
+        self._attr_unique_id = f"{ip_address}-{self.entity_description.key}"
+        self._attr_device_info = entity.DeviceInfo(
+            identifiers={(DOMAIN, ip_address)},
+        )
diff --git a/homeassistant/components/voip/strings.json b/homeassistant/components/voip/strings.json
index da854032ca9..cd221790cc4 100644
--- a/homeassistant/components/voip/strings.json
+++ b/homeassistant/components/voip/strings.json
@@ -13,5 +13,12 @@
     "error": {
       "invalid_ip_address": "Invalid IPv4 address."
     }
+  },
+  "entity": {
+    "switch": {
+      "allow_call": {
+        "name": "Allow Calls"
+      }
+    }
   }
 }
diff --git a/homeassistant/components/voip/switch.py b/homeassistant/components/voip/switch.py
new file mode 100644
index 00000000000..0a9a91c0717
--- /dev/null
+++ b/homeassistant/components/voip/switch.py
@@ -0,0 +1,69 @@
+"""VoIP switch entities."""
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Any
+
+from homeassistant.components.switch import SwitchEntity, SwitchEntityDescription
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import STATE_ON
+from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers import device_registry as dr, restore_state
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from .const import DOMAIN
+from .entity import VoIPEntity
+
+if TYPE_CHECKING:
+    from . import DomainData
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Set up VoIP switch entities."""
+    domain_data: DomainData = hass.data[DOMAIN]
+
+    @callback
+    def async_add_device(device: dr.DeviceEntry) -> None:
+        """Add device."""
+        async_add_entities([VoIPCallAllowedSwitch(device)])
+
+    domain_data.devices.async_add_new_device_listener(async_add_device)
+
+    async_add_entities(
+        [
+            VoIPCallAllowedSwitch(device)
+            for device in dr.async_entries_for_config_entry(
+                dr.async_get(hass),
+                config_entry.entry_id,
+            )
+        ]
+    )
+
+
+class VoIPCallAllowedSwitch(VoIPEntity, restore_state.RestoreEntity, SwitchEntity):
+    """Entity to represent voip is allowed."""
+
+    entity_description = SwitchEntityDescription(
+        key="allow_call", translation_key="allow_call"
+    )
+
+    async def async_added_to_hass(self) -> None:
+        """Call when entity about to be added to hass."""
+        await super().async_added_to_hass()
+
+        state = await self.async_get_last_state()
+        self._attr_is_on = state is not None and state.state == STATE_ON
+
+    async def async_turn_on(self, **kwargs: Any) -> None:
+        """Turn on."""
+        self._attr_is_on = True
+        self.async_write_ha_state()
+
+    async def async_turn_off(self, **kwargs: Any) -> None:
+        """Turn off."""
+        self._attr_is_on = False
+        self.async_write_ha_state()
diff --git a/homeassistant/components/voip/voip.py b/homeassistant/components/voip/voip.py
index 6d065461971..acc7dc537b6 100644
--- a/homeassistant/components/voip/voip.py
+++ b/homeassistant/components/voip/voip.py
@@ -1,7 +1,10 @@
 """Voice over IP (VoIP) implementation."""
+from __future__ import annotations
+
 import asyncio
 import logging
 import time
+from typing import TYPE_CHECKING
 
 import async_timeout
 from voip_utils import CallInfo, RtpDatagramProtocol, SdpInfo, VoipDatagramProtocol
@@ -17,13 +20,16 @@ from homeassistant.components.voice_assistant.vad import VoiceCommandSegmenter
 from homeassistant.const import __version__
 from homeassistant.core import HomeAssistant
 
+if TYPE_CHECKING:
+    from .devices import VoIPDevices
+
 _LOGGER = logging.getLogger(__name__)
 
 
 class HassVoipDatagramProtocol(VoipDatagramProtocol):
     """HA UDP server for Voice over IP (VoIP)."""
 
-    def __init__(self, hass: HomeAssistant, allow_ips: set[str]) -> None:
+    def __init__(self, hass: HomeAssistant, devices: VoIPDevices) -> None:
         """Set up VoIP call handler."""
         super().__init__(
             sdp_info=SdpInfo(
@@ -37,11 +43,11 @@ class HassVoipDatagramProtocol(VoipDatagramProtocol):
                 hass.config.language,
             ),
         )
-        self.allow_ips = allow_ips
+        self.devices = devices
 
     def is_valid_call(self, call_info: CallInfo) -> bool:
         """Filter calls."""
-        return call_info.caller_ip in self.allow_ips
+        return self.devices.async_allow_call(call_info)
 
 
 class PipelineRtpDatagramProtocol(RtpDatagramProtocol):
@@ -64,7 +70,7 @@ class PipelineRtpDatagramProtocol(RtpDatagramProtocol):
         self.pipeline_timeout = pipeline_timeout
         self.audio_timeout = audio_timeout
 
-        self._audio_queue: "asyncio.Queue[bytes]" = asyncio.Queue()
+        self._audio_queue: asyncio.Queue[bytes] = asyncio.Queue()
         self._pipeline_task: asyncio.Task | None = None
         self._conversation_id: str | None = None
 
diff --git a/tests/components/voip/conftest.py b/tests/components/voip/conftest.py
new file mode 100644
index 00000000000..20aa5ac6a94
--- /dev/null
+++ b/tests/components/voip/conftest.py
@@ -0,0 +1,64 @@
+"""Test helpers for VoIP integration."""
+
+from __future__ import annotations
+
+from unittest.mock import Mock, patch
+
+import pytest
+from voip_utils import CallInfo
+
+from homeassistant.components.voip import DOMAIN, VoIPDevices
+from homeassistant.config_entries import ConfigEntryState
+from homeassistant.core import HomeAssistant
+from homeassistant.setup import async_setup_component
+
+from tests.common import MockConfigEntry
+
+
+@pytest.fixture
+def config_entry(hass: HomeAssistant) -> MockConfigEntry:
+    """Create a config entry."""
+    entry = MockConfigEntry(domain=DOMAIN, data={})
+    entry.add_to_hass(hass)
+    return entry
+
+
+@pytest.fixture
+async def setup_voip(hass: HomeAssistant, config_entry: MockConfigEntry) -> None:
+    """Set up VoIP integration."""
+    with patch("homeassistant.components.voip._create_sip_server", return_value=Mock()):
+        assert await async_setup_component(hass, DOMAIN, {})
+        assert config_entry.state == ConfigEntryState.LOADED
+        yield
+
+
+@pytest.fixture
+async def voip_devices(hass: HomeAssistant, setup_voip: None) -> VoIPDevices:
+    """Get VoIP devices object from a configured instance."""
+    return hass.data[DOMAIN].devices
+
+
+@pytest.fixture
+def call_info() -> CallInfo:
+    """Fake call info."""
+    return CallInfo(
+        caller_ip="192.168.1.210",
+        caller_sip_port=5060,
+        caller_rtp_port=5004,
+        server_ip="192.168.1.10",
+        headers={
+            "via": "SIP/2.0/UDP 192.168.1.210:5060;branch=z9hG4bK912387041;rport",
+            "from": "<sip:IPCall@192.168.1.210:5060>;tag=1836983217",
+            "to": "<sip:192.168.1.10:5060>",
+            "call-id": "860888843-5060-9@BJC.BGI.B.CBA",
+            "cseq": "80 INVITE",
+            "contact": "<sip:IPCall@192.168.1.210:5060>",
+            "max-forwards": "70",
+            "user-agent": "Grandstream HT801 1.0.17.5",
+            "supported": "replaces, path, timer, eventlist",
+            "allow": "INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE",
+            "content-type": "application/sdp",
+            "accept": "application/sdp, application/dtmf-relay",
+            "content-length": "480",
+        },
+    )
diff --git a/tests/components/voip/test_config_flow.py b/tests/components/voip/test_config_flow.py
index 1f14ab94b00..9b3420775c2 100644
--- a/tests/components/voip/test_config_flow.py
+++ b/tests/components/voip/test_config_flow.py
@@ -3,12 +3,9 @@ from unittest.mock import patch
 
 from homeassistant import config_entries
 from homeassistant.components import voip
-from homeassistant.const import CONF_IP_ADDRESS
 from homeassistant.core import HomeAssistant
 from homeassistant.data_entry_flow import FlowResultType
 
-from tests.common import MockConfigEntry
-
 
 async def test_form_user(hass: HomeAssistant) -> None:
     """Test user form config flow."""
@@ -25,59 +22,21 @@ async def test_form_user(hass: HomeAssistant) -> None:
     ) as mock_setup_entry:
         result = await hass.config_entries.flow.async_configure(
             result["flow_id"],
-            {CONF_IP_ADDRESS: "127.0.0.1"},
+            {},
         )
         await hass.async_block_till_done()
 
     assert result["type"] == FlowResultType.CREATE_ENTRY
-    assert result["data"] == {CONF_IP_ADDRESS: "127.0.0.1"}
+    assert result["data"] == {}
     assert len(mock_setup_entry.mock_calls) == 1
 
 
-async def test_invalid_ip(hass: HomeAssistant) -> None:
-    """Test user form config flow with invalid ip address."""
-
+async def test_single_instance(
+    hass: HomeAssistant, config_entry: config_entries.ConfigEntry
+) -> None:
+    """Test that only one instance can be created."""
     result = await hass.config_entries.flow.async_init(
         voip.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
-    assert result["type"] == "form"
-    assert not result["errors"]
-
-    result = await hass.config_entries.flow.async_configure(
-        result["flow_id"],
-        {CONF_IP_ADDRESS: "not an ip address"},
-    )
-    await hass.async_block_till_done()
-
-    assert result["type"] == FlowResultType.FORM
-    assert result["errors"] == {CONF_IP_ADDRESS: "invalid_ip_address"}
-
-
-async def test_load_unload_entry(
-    hass: HomeAssistant,
-    socket_enabled,
-    unused_udp_port_factory,
-) -> None:
-    """Test adding/removing VoIP."""
-    entry = MockConfigEntry(
-        domain=voip.DOMAIN,
-        data={
-            CONF_IP_ADDRESS: "127.0.0.1",
-        },
-    )
-    entry.add_to_hass(hass)
-
-    with patch(
-        "homeassistant.components.voip.SIP_PORT",
-        new=unused_udp_port_factory(),
-    ):
-        assert await voip.async_setup_entry(hass, entry)
-
-        # Verify single instance
-        result = await hass.config_entries.flow.async_init(
-            voip.DOMAIN, context={"source": config_entries.SOURCE_USER}
-        )
-        assert result["type"] == "abort"
-        assert result["reason"] == "single_instance_allowed"
-
-        assert await voip.async_unload_entry(hass, entry)
+    assert result["type"] == "abort"
+    assert result["reason"] == "single_instance_allowed"
diff --git a/tests/components/voip/test_devices.py b/tests/components/voip/test_devices.py
new file mode 100644
index 00000000000..9918144e527
--- /dev/null
+++ b/tests/components/voip/test_devices.py
@@ -0,0 +1,50 @@
+"""Test VoIP devices."""
+
+from __future__ import annotations
+
+from voip_utils import CallInfo
+
+from homeassistant.components.voip import DOMAIN, VoIPDevices
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.device_registry import DeviceRegistry
+
+
+async def test_device_registry_info(
+    hass: HomeAssistant,
+    voip_devices: VoIPDevices,
+    call_info: CallInfo,
+    device_registry: DeviceRegistry,
+) -> None:
+    """Test info in device registry."""
+    assert not voip_devices.async_allow_call(call_info)
+
+    device = device_registry.async_get_device({(DOMAIN, call_info.caller_ip)})
+    assert device is not None
+    assert device.name == call_info.caller_ip
+    assert device.manufacturer == "Grandstream"
+    assert device.model == "HT801"
+    assert device.sw_version == "1.0.17.5"
+
+    # Test we update the device if the fw updates
+    call_info.headers["user-agent"] = "Grandstream HT801 2.0.0.0"
+
+    assert not voip_devices.async_allow_call(call_info)
+
+    device = device_registry.async_get_device({(DOMAIN, call_info.caller_ip)})
+    assert device.sw_version == "2.0.0.0"
+
+
+async def test_device_registry_info_from_unknown_phone(
+    hass: HomeAssistant,
+    voip_devices: VoIPDevices,
+    call_info: CallInfo,
+    device_registry: DeviceRegistry,
+) -> None:
+    """Test info in device registry from unknown phone."""
+    call_info.headers["user-agent"] = "Unknown"
+    assert not voip_devices.async_allow_call(call_info)
+
+    device = device_registry.async_get_device({(DOMAIN, call_info.caller_ip)})
+    assert device.manufacturer is None
+    assert device.model == "Unknown"
+    assert device.sw_version is None
diff --git a/tests/components/voip/test_init.py b/tests/components/voip/test_init.py
new file mode 100644
index 00000000000..77c14260f8e
--- /dev/null
+++ b/tests/components/voip/test_init.py
@@ -0,0 +1,14 @@
+"""Test VoIP init."""
+from homeassistant.core import HomeAssistant
+
+# socket_enabled,
+# unused_udp_port_factory,
+
+
+async def test_unload_entry(
+    hass: HomeAssistant,
+    config_entry,
+    setup_voip,
+) -> None:
+    """Test adding/removing VoIP."""
+    assert await hass.config_entries.async_unload(config_entry.entry_id)
diff --git a/tests/components/voip/test_switch.py b/tests/components/voip/test_switch.py
new file mode 100644
index 00000000000..5363fb8c2d6
--- /dev/null
+++ b/tests/components/voip/test_switch.py
@@ -0,0 +1,40 @@
+"""Test VoIP switch devices."""
+
+from __future__ import annotations
+
+from homeassistant.core import HomeAssistant
+
+
+async def test_allow_call(
+    hass: HomeAssistant, config_entry, voip_devices, call_info
+) -> None:
+    """Test allow call."""
+    assert not voip_devices.async_allow_call(call_info)
+    await hass.async_block_till_done()
+
+    state = hass.states.get("switch.192_168_1_210_allow_calls")
+    assert state is not None
+    assert state.state == "off"
+
+    await hass.config_entries.async_reload(config_entry.entry_id)
+
+    state = hass.states.get("switch.192_168_1_210_allow_calls")
+    assert state.state == "off"
+
+    await hass.services.async_call(
+        "switch",
+        "turn_on",
+        {"entity_id": "switch.192_168_1_210_allow_calls"},
+        blocking=True,
+    )
+
+    assert voip_devices.async_allow_call(call_info)
+
+    state = hass.states.get("switch.192_168_1_210_allow_calls")
+    assert state.state == "on"
+
+    await hass.config_entries.async_reload(config_entry.entry_id)
+
+    state = hass.states.get("switch.192_168_1_210_allow_calls")
+    assert state is not None
+    assert state.state == "on"