🚚(backend) rename TelephonyService to SIPManagement

Rename the telephony service to a more descriptive name,
SIPManagementService, which clearly states what the service is used
for.

It is no longer used only by the telephony feature; the roomkit
feature also relies on it now.

CHANGELOG.md

@@ -27,6 +27,7 @@ and this project adheres to
 - 📝(legal) update terms of service
 - 💄(frontend) render Avatar initials in uppercase
 - 💄(frontend) improve participant name rendering in the list
+- 🚚(backend) rename TelephonyService to SIPManagement
 
 ## Fixed
 

src/backend/core/roomkit/viewsets.py

@@ -16,7 +16,7 @@ from rest_framework import (
 from core import analytics, models
 from core.api import permissions, throttling
 from core.api.feature_flag import FeatureFlag
-from core.services.telephony import TelephonyException, TelephonyService
+from core.services.sip_management import SIPException, SIPManagement
 
 from . import authentication, serializers
 
@@ -50,7 +50,7 @@ class RoomKitViewSet(viewsets.ViewSet):
         without waiting for a WebRTC user.
 
         The webhook-based creation path is kept: both converge on the same rule
-        through the shared TelephonyService.
+        through the shared SIPManagement.
         """
 
         serializer = serializers.RoomKitJoinSerializer(data=request.data)
@@ -64,8 +64,8 @@ class RoomKitViewSet(viewsets.ViewSet):
             raise drf_exceptions.NotFound("No room found for this PIN code.") from e
 
         try:
-            created = TelephonyService().ensure_dispatch_rule(room)
-        except TelephonyException as e:
+            created = SIPManagement().ensure_dispatch_rule(room)
+        except SIPException as e:
             raise drf_exceptions.APIException("Could not create dispatch rule.") from e
 
         analytics.capture(

src/backend/core/services/livekit_events.py

@@ -28,7 +28,7 @@ from .room_management import (
     RoomManagementException,
     RoomNotFoundException,
 )
-from .telephony import TelephonyException, TelephonyService
+from .sip_management import SIPException, SIPManagement
 
 logger = getLogger(__name__)
 
@@ -107,7 +107,7 @@ class LiveKitEventsService:
         )
         self.webhook_receiver = api.WebhookReceiver(token_verifier)
         self.lobby_service = LobbyService()
-        self.telephony_service = TelephonyService()
+        self.sip_management = SIPManagement()
         self.recording_events = RecordingEventsService()
 
         self._filter_regex = None
@@ -247,10 +247,10 @@ class LiveKitEventsService:
 
         if settings.ROOM_TELEPHONY_ENABLED or settings.ROOMKIT_ENABLED:
             try:
-                self.telephony_service.create_dispatch_rule(room)
-            except TelephonyException as e:
+                self.sip_management.create_dispatch_rule(room)
+            except SIPException as e:
                 raise ActionFailedError(
-                    f"Failed to create telephony dispatch rule for room {room_id}"
+                    f"Failed to create sip dispatch rule for room {room_id}"
                 ) from e
 
     def _handle_room_finished(self, data):
@@ -267,10 +267,10 @@ class LiveKitEventsService:
 
         if settings.ROOM_TELEPHONY_ENABLED or settings.ROOMKIT_ENABLED:
             try:
-                self.telephony_service.delete_dispatch_rule(room_id)
-            except TelephonyException as e:
+                self.sip_management.delete_dispatch_rule(room_id)
+            except SIPException as e:
                 raise ActionFailedError(
-                    f"Failed to delete telephony dispatch rule for room {room_id}"
+                    f"Failed to delete sip dispatch rule for room {room_id}"
                 ) from e
 
         try:

src/backend/core/services/sip_management.py

@@ -1,4 +1,4 @@
-"""Telephony service for managing SIP dispatch rules for room access."""
+"""SIP management service for managing SIP dispatch rules for room access."""
 
 from logging import getLogger
 
@@ -17,16 +17,16 @@ from core import utils
 logger = getLogger(__name__)
 
 
-class TelephonyException(Exception):
-    """Exception raised when telephony operations fail."""
+class SIPException(Exception):
+    """Exception raised when SIP operations fail."""
 
 
-class DispatchRuleConflictError(TelephonyException):
+class DispatchRuleConflictError(SIPException):
     """Raised when a dispatch rule already exists for the same routing criteria."""
 
 
-class TelephonyService:
-    """Service for managing participant access through the telephony system (SIP)."""
+class SIPManagement:
+    """Service for managing SIP access through the telephony or roomkit system (SIP)."""
 
     def _rule_name(self, room_id):
         """Generate the rule name for a room based on its ID."""
@@ -36,7 +36,7 @@ class TelephonyService:
     async def create_dispatch_rule(self, room):
         """Create a SIP inbound dispatch rule for direct room routing.
 
-        Configures telephony to route incoming SIP calls directly to the specified room
+        Configures livekit-sip to route incoming SIP calls directly to the specified room
         using the room's ID and PIN code for authentication.
         """
 
@@ -60,7 +60,7 @@ class TelephonyService:
             logger.exception(
                 "Unexpected error creating dispatch rule for room %s", room.id
             )
-            raise TelephonyException("Could not create dispatch rule") from e
+            raise SIPException("Could not create dispatch rule") from e
 
         finally:
             await lkapi.aclose()
@@ -85,7 +85,7 @@ class TelephonyService:
             )
         except TwirpError as e:
             logger.exception("Failed to list dispatch rules for room %s", room_id)
-            raise TelephonyException("Could not list dispatch rules") from e
+            raise SIPException("Could not list dispatch rules") from e
         finally:
             await lkapi.aclose()
 
@@ -146,7 +146,7 @@ class TelephonyService:
 
         except TwirpError as e:
             logger.exception("Failed to delete dispatch rules for room %s", room_id)
-            raise TelephonyException("Could not delete dispatch rules") from e
+            raise SIPException("Could not delete dispatch rules") from e
 
         finally:
             await lkapi.aclose()

src/backend/core/tests/roomkit/test_api_roomkit_join.py

@@ -9,19 +9,19 @@ from unittest import mock
 import pytest
 
 from ...factories import RoomFactory
-from ...services.telephony import TelephonyException
+from ...services.sip_management import SIPException
 
 pytestmark = pytest.mark.django_db
 
 
 @pytest.fixture
-def mock_telephony_service():
-    """Mock the TelephonyService used by the roomkit viewset."""
-    with mock.patch("core.roomkit.viewsets.TelephonyService") as mock_service_class:
+def mock_sip_management():
+    """Mock the SIPManagement used by the roomkit viewset."""
+    with mock.patch("core.roomkit.viewsets.SIPManagement") as mock_service_class:
         yield mock_service_class.return_value
 
 
-def test_join_anonymous(settings, mock_telephony_service, client):
+def test_join_anonymous(settings, mock_sip_management, client):
     """Requests without an Authorization header should be rejected."""
     settings.ROOMKIT_ENABLED = True
     settings.ROOMKIT_SERVER_TO_SERVER_API_TOKEN = "testAuthToken"
@@ -32,10 +32,10 @@ def test_join_anonymous(settings, mock_telephony_service, client):
 
     assert response.status_code == 401
     assert response.json() == {"detail": "Authorization header is missing."}
-    mock_telephony_service.ensure_dispatch_rule.assert_not_called()
+    mock_sip_management.ensure_dispatch_rule.assert_not_called()
 
 
-def test_join_malformed_authorization_header(settings, mock_telephony_service, client):
+def test_join_malformed_authorization_header(settings, mock_sip_management, client):
     """Requests with a malformed Authorization header should be rejected."""
     settings.ROOMKIT_ENABLED = True
     settings.ROOMKIT_SERVER_TO_SERVER_API_TOKEN = "testAuthToken"
@@ -50,10 +50,10 @@ def test_join_malformed_authorization_header(settings, mock_telephony_service, c
 
     assert response.status_code == 401
     assert response.json() == {"detail": "Invalid authorization header."}
-    mock_telephony_service.ensure_dispatch_rule.assert_not_called()
+    mock_sip_management.ensure_dispatch_rule.assert_not_called()
 
 
-def test_join_wrong_bearer(settings, mock_telephony_service, client):
+def test_join_wrong_bearer(settings, mock_sip_management, client):
     """Requests with an incorrect bearer token should be rejected."""
     settings.ROOMKIT_ENABLED = True
     settings.ROOMKIT_SERVER_TO_SERVER_API_TOKEN = "testAuthToken"
@@ -68,10 +68,10 @@ def test_join_wrong_bearer(settings, mock_telephony_service, client):
 
     assert response.status_code == 401
     assert response.json() == {"detail": "Invalid server-to-server token."}
-    mock_telephony_service.ensure_dispatch_rule.assert_not_called()
+    mock_sip_management.ensure_dispatch_rule.assert_not_called()
 
 
-def test_join_token_not_configured(settings, mock_telephony_service, client):
+def test_join_token_not_configured(settings, mock_sip_management, client):
     """Requests should be rejected when no server-to-server token is configured."""
 
     settings.ROOMKIT_ENABLED = True
@@ -86,10 +86,10 @@ def test_join_token_not_configured(settings, mock_telephony_service, client):
     )
 
     assert response.status_code == 401
-    mock_telephony_service.ensure_dispatch_rule.assert_not_called()
+    mock_sip_management.ensure_dispatch_rule.assert_not_called()
 
 
-def test_join_roomkit_disabled(settings, mock_telephony_service, client):
+def test_join_roomkit_disabled(settings, mock_sip_management, client):
     """The endpoint should not be exposed when the roomkit integration is disabled."""
 
     settings.ROOMKIT_ENABLED = False
@@ -104,10 +104,10 @@ def test_join_roomkit_disabled(settings, mock_telephony_service, client):
     )
 
     assert response.status_code == 404
-    mock_telephony_service.ensure_dispatch_rule.assert_not_called()
+    mock_sip_management.ensure_dispatch_rule.assert_not_called()
 
 
-def test_join_missing_pin(settings, mock_telephony_service, client):
+def test_join_missing_pin(settings, mock_sip_management, client):
     """Requests without a PIN code should be rejected."""
 
     settings.ROOMKIT_ENABLED = True
@@ -121,10 +121,10 @@ def test_join_missing_pin(settings, mock_telephony_service, client):
 
     assert response.status_code == 400
     assert response.json() == {"pin_code": ["This field is required."]}
-    mock_telephony_service.ensure_dispatch_rule.assert_not_called()
+    mock_sip_management.ensure_dispatch_rule.assert_not_called()
 
 
-def test_join_blank_pin(settings, mock_telephony_service, client):
+def test_join_blank_pin(settings, mock_sip_management, client):
     """Requests with a blank PIN code should be rejected."""
 
     settings.ROOMKIT_ENABLED = True
@@ -138,10 +138,10 @@ def test_join_blank_pin(settings, mock_telephony_service, client):
 
     assert response.status_code == 400
     assert response.json() == {"pin_code": ["This field may not be blank."]}
-    mock_telephony_service.ensure_dispatch_rule.assert_not_called()
+    mock_sip_management.ensure_dispatch_rule.assert_not_called()
 
 
-def test_join_wrong_pin_length(settings, mock_telephony_service, client):
+def test_join_wrong_pin_length(settings, mock_sip_management, client):
     """Requests with a PIN code of unexpected length should be rejected."""
 
     settings.ROOMKIT_ENABLED = True
@@ -156,10 +156,10 @@ def test_join_wrong_pin_length(settings, mock_telephony_service, client):
 
     assert response.status_code == 400
     assert response.json() == {"pin_code": ["PIN code length is invalid."]}
-    mock_telephony_service.ensure_dispatch_rule.assert_not_called()
+    mock_sip_management.ensure_dispatch_rule.assert_not_called()
 
 
-def test_join_unknown_pin(settings, mock_telephony_service, client):
+def test_join_unknown_pin(settings, mock_sip_management, client):
     """Requests with a PIN matching no room should return 404 and create no rule."""
     settings.ROOMKIT_ENABLED = True
     settings.ROOMKIT_SERVER_TO_SERVER_API_TOKEN = "testAuthToken"
@@ -174,16 +174,16 @@ def test_join_unknown_pin(settings, mock_telephony_service, client):
 
     assert response.status_code == 404
     assert response.json() == {"detail": "No room found for this PIN code."}
-    mock_telephony_service.ensure_dispatch_rule.assert_not_called()
+    mock_sip_management.ensure_dispatch_rule.assert_not_called()
 
 
-def test_join_success(settings, mock_telephony_service, client):
+def test_join_success(settings, mock_sip_management, client):
     """Requests with a valid PIN should create the dispatch rule."""
     settings.ROOMKIT_ENABLED = True
     settings.ROOMKIT_SERVER_TO_SERVER_API_TOKEN = "testAuthToken"
 
     room = RoomFactory(pin_code="1234567890")
-    mock_telephony_service.ensure_dispatch_rule.return_value = True
+    mock_sip_management.ensure_dispatch_rule.return_value = True
 
     response = client.post(
         "/api/v1.0/roomkit/join/",
@@ -193,17 +193,17 @@ def test_join_success(settings, mock_telephony_service, client):
 
     assert response.status_code == 200
     assert response.json() == {"status": "success"}
-    mock_telephony_service.ensure_dispatch_rule.assert_called_once_with(room)
+    mock_sip_management.ensure_dispatch_rule.assert_called_once_with(room)
 
 
-def test_join_dispatch_rule_already_exists(settings, mock_telephony_service, client):
+def test_join_dispatch_rule_already_exists(settings, mock_sip_management, client):
     """Requests should succeed when the dispatch rule already exists (idempotency)."""
 
     settings.ROOMKIT_ENABLED = True
     settings.ROOMKIT_SERVER_TO_SERVER_API_TOKEN = "testAuthToken"
 
     room = RoomFactory(pin_code="1234567890")
-    mock_telephony_service.ensure_dispatch_rule.return_value = False
+    mock_sip_management.ensure_dispatch_rule.return_value = False
 
     response = client.post(
         "/api/v1.0/roomkit/join/",
@@ -213,17 +213,17 @@ def test_join_dispatch_rule_already_exists(settings, mock_telephony_service, cli
 
     assert response.status_code == 200
     assert response.json() == {"status": "success"}
-    mock_telephony_service.ensure_dispatch_rule.assert_called_once_with(room)
+    mock_sip_management.ensure_dispatch_rule.assert_called_once_with(room)
 
 
-def test_join_tracks_analytics_event(settings, mock_telephony_service, client):
+def test_join_tracks_analytics_event(settings, mock_sip_management, client):
     """Successful joins should be tracked with an analytics event."""
 
     settings.ROOMKIT_ENABLED = True
     settings.ROOMKIT_SERVER_TO_SERVER_API_TOKEN = "testAuthToken"
 
     room = RoomFactory(pin_code="1234567890")
-    mock_telephony_service.ensure_dispatch_rule.return_value = True
+    mock_sip_management.ensure_dispatch_rule.return_value = True
 
     with mock.patch("core.roomkit.viewsets.analytics.capture") as mock_capture:
         response = client.post(
@@ -242,14 +242,14 @@ def test_join_tracks_analytics_event(settings, mock_telephony_service, client):
     }
 
 
-def test_join_telephony_failure(settings, mock_telephony_service, client):
-    """Requests should fail with a server error when the telephony service fails."""
+def test_join_sip_failure(settings, mock_sip_management, client):
+    """Requests should fail with a server error when the sip management service fails."""
 
     settings.ROOMKIT_ENABLED = True
     settings.ROOMKIT_SERVER_TO_SERVER_API_TOKEN = "testAuthToken"
 
     room = RoomFactory(pin_code="1234567890")
-    mock_telephony_service.ensure_dispatch_rule.side_effect = TelephonyException(
+    mock_sip_management.ensure_dispatch_rule.side_effect = SIPException(
         "Could not create dispatch rule"
     )
 
@@ -262,5 +262,5 @@ def test_join_telephony_failure(settings, mock_telephony_service, client):
         )
 
     assert response.status_code == 500
-    mock_telephony_service.ensure_dispatch_rule.assert_called_once_with(room)
+    mock_sip_management.ensure_dispatch_rule.assert_called_once_with(room)
     mock_capture.assert_not_called()

src/backend/core/tests/services/test_livekit_events.py

@@ -21,7 +21,7 @@ from core.services.livekit_events import (
 )
 from core.services.lobby import LobbyService
 from core.services.room_management import RoomManagementException
-from core.services.telephony import TelephonyException, TelephonyService
+from core.services.sip_management import SIPException, SIPManagement
 from core.utils import NotificationError
 
 pytestmark = pytest.mark.django_db
@@ -59,7 +59,7 @@ def test_initialization(
     mock_token_verifier.assert_called_once_with(api_key, api_secret)
     mock_webhook_receiver.assert_called_once_with(mock_token_verifier.return_value)
     assert isinstance(service.lobby_service, LobbyService)
-    assert isinstance(service.telephony_service, TelephonyService)
+    assert isinstance(service.sip_management, SIPManagement)
     assert isinstance(service.recording_events, RecordingEventsService)
 
 
@@ -469,11 +469,11 @@ def test_handle_egress_ended_ignores_non_savable_recording(
 
 
 @mock.patch.object(LobbyService, "clear_room_cache")
-@mock.patch.object(TelephonyService, "delete_dispatch_rule")
+@mock.patch.object(SIPManagement, "delete_dispatch_rule")
 def test_handle_room_finished_clears_cache_and_deletes_dispatch_rule(
     mock_delete_dispatch_rule, mock_clear_cache, service, settings
 ):
-    """Should clear lobby cache and delete telephony dispatch rule when room finishes."""
+    """Should clear lobby cache and delete SIP dispatch rule when room finishes."""
     settings.ROOM_TELEPHONY_ENABLED = True
     mock_room_name = uuid.uuid4()
     mock_data = mock.MagicMock()
@@ -486,7 +486,7 @@ def test_handle_room_finished_clears_cache_and_deletes_dispatch_rule(
 
 
 @mock.patch.object(LobbyService, "clear_room_cache")
-@mock.patch.object(TelephonyService, "delete_dispatch_rule")
+@mock.patch.object(SIPManagement, "delete_dispatch_rule")
 def test_handle_room_finished_deletes_dispatch_rule_when_only_roomkit_enabled(
     mock_delete_dispatch_rule, mock_clear_cache, service, settings
 ):
@@ -504,7 +504,7 @@ def test_handle_room_finished_deletes_dispatch_rule_when_only_roomkit_enabled(
 
 
 @mock.patch.object(LobbyService, "clear_room_cache")
-@mock.patch.object(TelephonyService, "delete_dispatch_rule")
+@mock.patch.object(SIPManagement, "delete_dispatch_rule")
 def test_handle_room_finished_skips_telephony_when_disabled(
     mock_delete_dispatch_rule, mock_clear_cache, service, settings
 ):
@@ -524,7 +524,7 @@ def test_handle_room_finished_skips_telephony_when_disabled(
 @mock.patch.object(
     LobbyService, "clear_room_cache", side_effect=Exception("Test error")
 )
-@mock.patch.object(TelephonyService, "delete_dispatch_rule")
+@mock.patch.object(SIPManagement, "delete_dispatch_rule")
 def test_handle_room_finished_raises_error_when_cache_clearing_fails(
     mock_delete_dispatch_rule, mock_clear_cache, service, settings
 ):
@@ -547,9 +547,9 @@ def test_handle_room_finished_raises_error_when_cache_clearing_fails(
 
 @mock.patch.object(LobbyService, "clear_room_cache")
 @mock.patch.object(
-    TelephonyService,
+    SIPManagement,
     "delete_dispatch_rule",
-    side_effect=TelephonyException("Test error"),
+    side_effect=SIPException("Test error"),
 )
 def test_handle_room_finished_raises_error_when_telephony_deletion_fails(
     mock_delete_dispatch_rule, mock_clear_cache, service, settings
@@ -581,11 +581,11 @@ def test_handle_room_finished_raises_error_for_invalid_room_name(service):
         service._handle_room_finished(mock_data)
 
 
-@mock.patch.object(TelephonyService, "create_dispatch_rule")
+@mock.patch.object(SIPManagement, "create_dispatch_rule")
 def test_handle_room_started_creates_dispatch_rule_successfully(
     mock_create_dispatch_rule, service, settings
 ):
-    """Should create telephony dispatch rule when room starts successfully."""
+    """Should create SIP dispatch rule when room starts successfully."""
     settings.ROOM_TELEPHONY_ENABLED = True
     room = RoomFactory()
     mock_data = mock.MagicMock()
@@ -596,7 +596,7 @@ def test_handle_room_started_creates_dispatch_rule_successfully(
     mock_create_dispatch_rule.assert_called_once_with(room)
 
 
-@mock.patch.object(TelephonyService, "create_dispatch_rule")
+@mock.patch.object(SIPManagement, "create_dispatch_rule")
 def test_handle_room_started_creates_dispatch_rule_when_only_roomkit_enabled(
     mock_create_dispatch_rule, service, settings
 ):
@@ -612,11 +612,11 @@ def test_handle_room_started_creates_dispatch_rule_when_only_roomkit_enabled(
     mock_create_dispatch_rule.assert_called_once_with(room)
 
 
-@mock.patch.object(TelephonyService, "create_dispatch_rule")
+@mock.patch.object(SIPManagement, "create_dispatch_rule")
 def test_handle_room_started_skips_dispatch_rule_when_telephony_disabled(
     mock_create_dispatch_rule, service, settings
 ):
-    """Should skip creating telephony dispatch rule when telephony is disabled during room start."""
+    """Should skip creating SIP dispatch rule when telephony is disabled during room start."""
     settings.ROOM_TELEPHONY_ENABLED = False
     settings.ROOMKIT_ENABLED = False
     room = RoomFactory()

src/backend/core/tests/services/test_sip_management.py

@@ -1,5 +1,5 @@
 """
-Test telephony service.
+Test SIP mamagement service.
 """
 
 # pylint: disable=W0212
@@ -20,10 +20,10 @@ from livekit.protocol.sip import (
 
 from core.factories import RoomFactory
 from core.models import RoomAccessLevel
-from core.services.telephony import (
+from core.services.sip_management import (
     DispatchRuleConflictError,
-    TelephonyException,
-    TelephonyService,
+    SIPException,
+    SIPManagement,
 )
 
 pytestmark = pytest.mark.django_db
@@ -39,9 +39,9 @@ def create_mock_livekit_client():
 
 def test_rule_name():
     """Test rule name generation."""
-    telephony_service = TelephonyService()
+    sip_management = SIPManagement()
     room = RoomFactory(access_level=RoomAccessLevel.RESTRICTED, pin_code="1234")
-    rule_name = telephony_service._rule_name(room.id)
+    rule_name = sip_management._rule_name(room.id)
 
     assert rule_name == f"SIP_{str(room.id)}"
 
@@ -49,14 +49,14 @@ def test_rule_name():
 @mock.patch("core.utils.create_livekit_client")
 def test_create_dispatch_rule_success(mock_client_factory):
     """Test successful dispatch rule creation."""
-    telephony_service = TelephonyService()
+    sip_management = SIPManagement()
     room = RoomFactory(access_level=RoomAccessLevel.RESTRICTED, pin_code="1234")
 
     mock_api = create_mock_livekit_client()
     mock_api.sip.create_sip_dispatch_rule = mock.AsyncMock()
     mock_client_factory.return_value = mock_api
 
-    telephony_service.create_dispatch_rule(room)
+    sip_management.create_dispatch_rule(room)
 
     mock_api.sip.create_sip_dispatch_rule.assert_called_once()
     create_request = mock_api.sip.create_sip_dispatch_rule.call_args[1]["create"]
@@ -71,7 +71,7 @@ def test_create_dispatch_rule_success(mock_client_factory):
 @mock.patch("core.utils.create_livekit_client")
 def test_create_dispatch_rule_api_failure(mock_client_factory):
     """Test dispatch rule creation when API fails."""
-    telephony_service = TelephonyService()
+    sip_management = SIPManagement()
     room = RoomFactory(access_level=RoomAccessLevel.RESTRICTED, pin_code="1234")
 
     mock_api = create_mock_livekit_client()
@@ -80,8 +80,8 @@ def test_create_dispatch_rule_api_failure(mock_client_factory):
     )
     mock_client_factory.return_value = mock_api
 
-    with pytest.raises(TelephonyException, match="Could not create dispatch rule"):
-        telephony_service.create_dispatch_rule(room)
+    with pytest.raises(SIPException, match="Could not create dispatch rule"):
+        sip_management.create_dispatch_rule(room)
 
     mock_api.sip.create_sip_dispatch_rule.assert_called_once()
     mock_api.aclose.assert_called_once()
@@ -90,7 +90,7 @@ def test_create_dispatch_rule_api_failure(mock_client_factory):
 @mock.patch("core.utils.create_livekit_client")
 def test_list_dispatch_rules_ids_success(mock_client_factory):
     """Test successful listing of dispatch rule IDs."""
-    telephony_service = TelephonyService()
+    sip_management = SIPManagement()
     room = RoomFactory(access_level=RoomAccessLevel.RESTRICTED, pin_code="1234")
 
     mock_rules = [
@@ -115,7 +115,7 @@ def test_list_dispatch_rules_ids_success(mock_client_factory):
     )
     mock_client_factory.return_value = mock_api
 
-    result = async_to_sync(telephony_service._list_dispatch_rules_ids)(room.id)
+    result = async_to_sync(sip_management._list_dispatch_rules_ids)(room.id)
 
     assert len(result) == 2
     assert "rule-1" in result
@@ -131,7 +131,7 @@ def test_list_dispatch_rules_ids_success(mock_client_factory):
 @mock.patch("core.utils.create_livekit_client")
 def test_list_dispatch_rules_ids_empty_response(mock_client_factory):
     """Test listing dispatch rule IDs when no rules exist."""
-    telephony_service = TelephonyService()
+    sip_management = SIPManagement()
     room = RoomFactory(access_level=RoomAccessLevel.RESTRICTED, pin_code="1234")
 
     mock_api = create_mock_livekit_client()
@@ -140,7 +140,7 @@ def test_list_dispatch_rules_ids_empty_response(mock_client_factory):
     )
     mock_client_factory.return_value = mock_api
 
-    result = async_to_sync(telephony_service._list_dispatch_rules_ids)(room.id)
+    result = async_to_sync(sip_management._list_dispatch_rules_ids)(room.id)
 
     assert result == []
     mock_api.aclose.assert_called_once()
@@ -149,7 +149,7 @@ def test_list_dispatch_rules_ids_empty_response(mock_client_factory):
 @mock.patch("core.utils.create_livekit_client")
 def test_list_dispatch_rules_ids_no_matching_rules(mock_client_factory):
     """Test listing dispatch rule IDs when no rules match the room."""
-    telephony_service = TelephonyService()
+    sip_management = SIPManagement()
     room = RoomFactory(access_level=RoomAccessLevel.RESTRICTED, pin_code="1234")
 
     mock_rules = [
@@ -167,7 +167,7 @@ def test_list_dispatch_rules_ids_no_matching_rules(mock_client_factory):
     )
     mock_client_factory.return_value = mock_api
 
-    result = async_to_sync(telephony_service._list_dispatch_rules_ids)(room.id)
+    result = async_to_sync(sip_management._list_dispatch_rules_ids)(room.id)
 
     assert result == []
     mock_api.aclose.assert_called_once()
@@ -176,7 +176,7 @@ def test_list_dispatch_rules_ids_no_matching_rules(mock_client_factory):
 @mock.patch("core.utils.create_livekit_client")
 def test_list_dispatch_rules_ids_api_failure(mock_client_factory):
     """Test listing dispatch rule IDs when API fails."""
-    telephony_service = TelephonyService()
+    sip_management = SIPManagement()
     room = RoomFactory(access_level=RoomAccessLevel.RESTRICTED, pin_code="1234")
 
     mock_api = create_mock_livekit_client()
@@ -185,34 +185,34 @@ def test_list_dispatch_rules_ids_api_failure(mock_client_factory):
     )
     mock_client_factory.return_value = mock_api
 
-    with pytest.raises(TelephonyException, match="Could not list dispatch rules"):
-        async_to_sync(telephony_service._list_dispatch_rules_ids)(room.id)
+    with pytest.raises(SIPException, match="Could not list dispatch rules"):
+        async_to_sync(sip_management._list_dispatch_rules_ids)(room.id)
 
     mock_api.sip.list_sip_dispatch_rule.assert_called_once()
     mock_api.aclose.assert_called_once()
 
 
-@mock.patch("core.services.telephony.TelephonyService._list_dispatch_rules_ids")
+@mock.patch("core.services.sip_management.SIPManagement._list_dispatch_rules_ids")
 @mock.patch("core.utils.create_livekit_client")
 def test_delete_dispatch_rule_no_rules(mock_client_factory, mock_list_rules):
     """Test deleting dispatch rules when no rules exist."""
-    telephony_service = TelephonyService()
+    sip_management = SIPManagement()
     room = RoomFactory(access_level=RoomAccessLevel.RESTRICTED, pin_code="1234")
 
     mock_list_rules.return_value = []
 
-    result = telephony_service.delete_dispatch_rule(room.id)
+    result = sip_management.delete_dispatch_rule(room.id)
 
     assert result is False
     mock_list_rules.assert_called_once_with(room.id)
     mock_client_factory.assert_not_called()
 
 
-@mock.patch("core.services.telephony.TelephonyService._list_dispatch_rules_ids")
+@mock.patch("core.services.sip_management.SIPManagement._list_dispatch_rules_ids")
 @mock.patch("core.utils.create_livekit_client")
 def test_delete_dispatch_rule_single_rule(mock_client_factory, mock_list_rules):
     """Test deleting a single dispatch rule."""
-    telephony_service = TelephonyService()
+    sip_management = SIPManagement()
     room = RoomFactory(access_level=RoomAccessLevel.RESTRICTED, pin_code="1234")
 
     mock_list_rules.return_value = ["rule-1"]
@@ -220,7 +220,7 @@ def test_delete_dispatch_rule_single_rule(mock_client_factory, mock_list_rules):
     mock_api.sip.delete_sip_dispatch_rule = mock.AsyncMock()
     mock_client_factory.return_value = mock_api
 
-    result = telephony_service.delete_dispatch_rule(room.id)
+    result = sip_management.delete_dispatch_rule(room.id)
 
     assert result is True
     mock_api.sip.delete_sip_dispatch_rule.assert_called_once()
@@ -230,11 +230,11 @@ def test_delete_dispatch_rule_single_rule(mock_client_factory, mock_list_rules):
     mock_api.aclose.assert_called_once()
 
 
-@mock.patch("core.services.telephony.TelephonyService._list_dispatch_rules_ids")
+@mock.patch("core.services.sip_management.SIPManagement._list_dispatch_rules_ids")
 @mock.patch("core.utils.create_livekit_client")
 def test_delete_dispatch_rule_multiple_rules(mock_client_factory, mock_list_rules):
     """Test deleting multiple dispatch rules."""
-    telephony_service = TelephonyService()
+    sip_management = SIPManagement()
     room = RoomFactory(access_level=RoomAccessLevel.RESTRICTED, pin_code="1234")
 
     mock_list_rules.return_value = ["rule-1", "rule-2", "rule-3"]
@@ -242,7 +242,7 @@ def test_delete_dispatch_rule_multiple_rules(mock_client_factory, mock_list_rule
     mock_api.sip.delete_sip_dispatch_rule = mock.AsyncMock()
     mock_client_factory.return_value = mock_api
 
-    result = telephony_service.delete_dispatch_rule(room.id)
+    result = sip_management.delete_dispatch_rule(room.id)
 
     assert result is True
     assert mock_api.sip.delete_sip_dispatch_rule.call_count == 3
@@ -257,11 +257,11 @@ def test_delete_dispatch_rule_multiple_rules(mock_client_factory, mock_list_rule
     mock_api.aclose.assert_called_once()
 
 
-@mock.patch("core.services.telephony.TelephonyService._list_dispatch_rules_ids")
+@mock.patch("core.services.sip_management.SIPManagement._list_dispatch_rules_ids")
 @mock.patch("core.utils.create_livekit_client")
 def test_delete_dispatch_rule_partial_failure(mock_client_factory, mock_list_rules):
     """Test deleting multiple dispatch rules when one deletion fails."""
-    telephony_service = TelephonyService()
+    sip_management = SIPManagement()
     room = RoomFactory(access_level=RoomAccessLevel.RESTRICTED, pin_code="1234")
 
     mock_list_rules.return_value = ["rule-1", "rule-2", "rule-3"]
@@ -281,18 +281,18 @@ def test_delete_dispatch_rule_partial_failure(mock_client_factory, mock_list_rul
     )
     mock_client_factory.return_value = mock_api
 
-    with pytest.raises(TelephonyException, match="Could not delete dispatch rules"):
-        telephony_service.delete_dispatch_rule(room.id)
+    with pytest.raises(SIPException, match="Could not delete dispatch rules"):
+        sip_management.delete_dispatch_rule(room.id)
 
     assert mock_api.sip.delete_sip_dispatch_rule.call_count == 2
     mock_api.aclose.assert_called_once()
 
 
-@mock.patch("core.services.telephony.TelephonyService._list_dispatch_rules_ids")
+@mock.patch("core.services.sip_management.SIPManagement._list_dispatch_rules_ids")
 @mock.patch("core.utils.create_livekit_client")
 def test_delete_dispatch_rule_api_failure(mock_client_factory, mock_list_rules):
     """Test deleting dispatch rules when API fails immediately."""
-    telephony_service = TelephonyService()
+    sip_management = SIPManagement()
     room = RoomFactory(access_level=RoomAccessLevel.RESTRICTED, pin_code="1234")
 
     mock_list_rules.return_value = ["rule-1"]
@@ -302,8 +302,8 @@ def test_delete_dispatch_rule_api_failure(mock_client_factory, mock_list_rules):
     )
     mock_client_factory.return_value = mock_api
 
-    with pytest.raises(TelephonyException, match="Could not delete dispatch rules"):
-        telephony_service.delete_dispatch_rule(room.id)
+    with pytest.raises(SIPException, match="Could not delete dispatch rules"):
+        sip_management.delete_dispatch_rule(room.id)
 
     mock_api.sip.delete_sip_dispatch_rule.assert_called_once()
     mock_api.aclose.assert_called_once()
@@ -312,7 +312,7 @@ def test_delete_dispatch_rule_api_failure(mock_client_factory, mock_list_rules):
 @mock.patch("core.utils.create_livekit_client")
 def test_create_dispatch_rule_conflict_raises_dedicated_error(mock_client_factory):
     """Test that a LiveKit conflict error raises DispatchRuleConflictError."""
-    telephony_service = TelephonyService()
+    sip_management = SIPManagement()
     room = RoomFactory(access_level=RoomAccessLevel.RESTRICTED, pin_code="1234")
 
     mock_api = create_mock_livekit_client()
@@ -329,7 +329,7 @@ def test_create_dispatch_rule_conflict_raises_dedicated_error(mock_client_factor
     mock_client_factory.return_value = mock_api
 
     with pytest.raises(DispatchRuleConflictError):
-        telephony_service.create_dispatch_rule(room)
+        sip_management.create_dispatch_rule(room)
 
     mock_api.aclose.assert_called_once()
 
@@ -337,7 +337,7 @@ def test_create_dispatch_rule_conflict_raises_dedicated_error(mock_client_factor
 @mock.patch("core.utils.create_livekit_client")
 def test_ensure_dispatch_rule_creates_when_missing(mock_client_factory):
     """Test that ensure_dispatch_rule creates the rule when none exists."""
-    telephony_service = TelephonyService()
+    sip_management = SIPManagement()
     room = RoomFactory(access_level=RoomAccessLevel.RESTRICTED, pin_code="1234")
 
     mock_api = create_mock_livekit_client()
@@ -347,7 +347,7 @@ def test_ensure_dispatch_rule_creates_when_missing(mock_client_factory):
     mock_api.sip.create_sip_dispatch_rule = mock.AsyncMock()
     mock_client_factory.return_value = mock_api
 
-    created = telephony_service.ensure_dispatch_rule(room)
+    created = sip_management.ensure_dispatch_rule(room)
 
     assert created is True
     mock_api.sip.create_sip_dispatch_rule.assert_called_once()
@@ -362,7 +362,7 @@ def test_ensure_dispatch_rule_creates_when_missing(mock_client_factory):
 @mock.patch("core.utils.create_livekit_client")
 def test_ensure_dispatch_rule_skips_when_existing(mock_client_factory):
     """Test that ensure_dispatch_rule is idempotent when the rule already exists."""
-    telephony_service = TelephonyService()
+    sip_management = SIPManagement()
     room = RoomFactory(access_level=RoomAccessLevel.RESTRICTED, pin_code="1234")
 
     existing_rule = SIPDispatchRuleInfo(
@@ -375,7 +375,7 @@ def test_ensure_dispatch_rule_skips_when_existing(mock_client_factory):
     mock_api.sip.create_sip_dispatch_rule = mock.AsyncMock()
     mock_client_factory.return_value = mock_api
 
-    created = telephony_service.ensure_dispatch_rule(room)
+    created = sip_management.ensure_dispatch_rule(room)
 
     assert created is False
     mock_api.sip.create_sip_dispatch_rule.assert_not_called()
@@ -389,7 +389,7 @@ def test_ensure_dispatch_rule_returns_false_on_conflict(mock_client_factory):
     between the existence check and the creation, LiveKit rejects the
     duplicate and ensure_dispatch_rule reports the rule as already existing.
     """
-    telephony_service = TelephonyService()
+    sip_management = SIPManagement()
     room = RoomFactory(access_level=RoomAccessLevel.RESTRICTED, pin_code="1234")
 
     mock_api = create_mock_livekit_client()
@@ -408,7 +408,7 @@ def test_ensure_dispatch_rule_returns_false_on_conflict(mock_client_factory):
     )
     mock_client_factory.return_value = mock_api
 
-    created = telephony_service.ensure_dispatch_rule(room)
+    created = sip_management.ensure_dispatch_rule(room)
 
     assert created is False
 
@@ -416,7 +416,7 @@ def test_ensure_dispatch_rule_returns_false_on_conflict(mock_client_factory):
 @mock.patch("core.utils.create_livekit_client")
 def test_ensure_dispatch_rule_raises_on_other_failures(mock_client_factory):
     """Test that ensure_dispatch_rule propagates unexpected LiveKit failures."""
-    telephony_service = TelephonyService()
+    sip_management = SIPManagement()
     room = RoomFactory(access_level=RoomAccessLevel.RESTRICTED, pin_code="1234")
 
     mock_api = create_mock_livekit_client()
@@ -428,5 +428,5 @@ def test_ensure_dispatch_rule_raises_on_other_failures(mock_client_factory):
     )
     mock_client_factory.return_value = mock_api
 
-    with pytest.raises(TelephonyException, match="Could not create dispatch rule"):
-        telephony_service.ensure_dispatch_rule(room)
+    with pytest.raises(SIPException, match="Could not create dispatch rule"):
+        sip_management.ensure_dispatch_rule(room)