Utilities¶ sipua.create_ack(*, request: Request, response: Response) → Request¶ Create an ACK for the given request and response. See RFC 3261 Section 17.1.1.3. sipua.create_response(*, request: Request, code: int, phrase: str | None = None) → Response¶ Create a response for the given request. See RFC 3261 Section 8.2.6.