v0.0.83

### Added

- Added new frames `InputTransportMessageUrgentFrame` and `DailyInputTransportMessageUrgentFrame` for transport messages received from external sources.
  
- Added `UserSpeakingFrame`. This will be sent upstream and downstream while VAD detects the user is speaking.

- Expanded support for universal `LLMContext` to more LLM services. Using the universal `LLMContext` and associated `LLMContextAggregatorPair` is a pre-requisite for using `LLMSwitcher` to switch between LLMs at runtime.  Here are the newly-supported services:

  - Azure
  - Cerebras
  - Deepseek
  - Fireworks AI
  - Google Vertex AI
  - Grok
  - Groq
  - Mistral
  - NVIDIA NIM
  - Ollama
  - OpenPipe
  - OpenRouter
  - Perplexity
  - Qwen
  - SambaNova
  - Together.ai

- Added support for WhatsApp User-initiated Calls.

- Added new audio filter `AICFilter`, speech enhancement for improving VAD/STT performance, no ONNX dependency.  
  See https://ai-coustics.com/sdk/

- Added a timeout around cancel input tasks to prevent indefinite hangs when cancellation is swallowed by third-party code.

- Added `pipecat.extensions.ivr` for automated IVR system navigation with configurable goals and conversation handling. Supports DTMF input, verbal responses, and intelligent menu traversal.

  Basic usage:

  ```python
  from pipecat.extensions.ivr.ivr_navigator import IVRNavigator

  # Create IVR navigator with your goal
  ivr_navigator = IVRNavigator(
      llm=llm_service,
      ivr_prompt="Navigate to billing department to dispute a charge"
  )

  # Handle different outcomes
  @ivr_navigator.event_handler("on_conversation_detected")
  async def on_conversation(processor, conversation_history):
      # Switch to normal conversation mode
      pass

  @ivr_navigator.event_handler("on_ivr_status_changed")
  async def on_ivr_status(processor, status):
      if status == IVRStatus.COMPLETED:
          # End pipeline, transfer call, or start bot conversation
      elif status == IVRStatus.STUCK:
          # Handle navigation failure
  ```

- `BaseOutputTransport` now implements `write_dtmf()` by loading DTMF audio and sending it through the transport. This makes sending DTMF generic across all output transports.

- Added new config parameters to `GladiaSTTService`.
  - PreProcessingConfig > `audio_enhancer` to enhance audio quality.
  - CustomVocabularyItem > `pronunciations` and `language` to specify special pronunciations and in which language it will be pronounced.

### Changed

- `UserStartedSpeakingFrame` and `UserStoppedSpeakingFrame` are also pushed
  upstream.

- `ParallelPipeline` now waits for `CancelFrame` to finish in all branches before pushing it downstream.

- Added `sip_codecs` to the `DailyRoomSipParams`.

- Updated the `configure()` function in `pipecat.runner.daily` to include new args to create SIP-enabled rooms. Additionally, added new args to control the room and token expiration durations.

- `pipecat.frames.frames.KeypadEntry` is deprecated and has been moved to `pipecat.audio.dtmf.types.KeypadEntry`.

- Updated `RimeTTSService`'s flush_audio message to conform with Rime's official API.

- Updated the default model for `CerebrasLLMService` to GPT-OSS-120B.

### Removed

- Remove `StopInterruptionFrame`. This was a legacy frame that was not being used really anywhere and it didn't provide any useful meaning. It was only pushed after `UserStoppedSpeakingFrame`, so developers can just use `UserStoppedSpeakingFrame`.

- `DailyTransport.write_dtmf()` has been removed in favor of the generic `BaseOutputTransport.write_dtmf()`.

- Remove deprecated `DailyTransport.send_dtmf()`.

### Deprecated

- Transports have been re-organized.

  ```
  pipecat.transports.network.small_webrtc        -> pipecat.transports.smallwebrtc.transport
  pipecat.transports.network.webrtc_connection   -> pipecat.transports.smallwebrtc.connection
  pipecat.transports.network.websocket_client    -> pipecat.transports.websocket.client
  pipecat.transports.network.websocket_server    -> pipecat.transports.websocket.server
  pipecat.transports.network.fastapi_websocket   -> pipecat.transports.websocket.fastapi
  pipecat.transports.services.daily              -> pipecat.transports.daily.transport
  pipecat.transports.services.helpers.daily_rest -> pipecat.transports.daily.utils
  pipecat.transports.services.livekit            -> pipecat.transports.livekit.transport
  pipecat.transports.services.tavus              -> pipecat.transports.tavus.transport
  ```

- `pipecat.frames.frames.KeypadEntry` is deprecated use `pipecat.audio.dtmf.types.KeypadEntry` instead.

### Fixed

- Fixed an issue where messages received from the transport were always being resent.

- Fixed `SmallWebRTCTransport` to not use `mid` to decide if the transceiver should be `sendrecv` or not.

- Fixed an issue where Deepgram swallowed `asyncio.CancelledError` during disconnect, preventing tasks from being cancelled.

- Fixed an issue where `PipelineTask` was not cleaning up the observers.

### Performance

- Reduced latency and improved memory performance in `Mem0MemoryService`.