🚚(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.

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()