def sip(self, sip_url, username=None, password=None, url=None, method=None,<EOL>status_callback_event=None, status_callback=None,<EOL>status_callback_method=None, **kwargs):
return self.nest(Sip(<EOL>sip_url,<EOL>username=username,<EOL>password=password,<EOL>url=url,<EOL>method=method,<EOL>status_callback_event=status_callback_event,<EOL>status_callback=status_callback,<EOL>status_callback_method=status_callback_method,<EOL>**kwargs<EOL>))<EOL>
Create a <Sip> element

:param sip_url: SIP URL
:param username: SIP Username
:param password: SIP Password
:param url: Action URL
:param method: Action URL method
:param status_callback_event: Status callback events
:param status_callback: Status callback URL
:param status_callback_method: Status callback URL method
:param kwargs: additional attributes

:returns: <Sip> element