def _NH_SIPEngineDidStart(self, notification):
self.state = 'started'
engine = Engine()
for transport in ('udp', 'tcp', 'tls'):
if getattr(engine, '%s_port' % transport) is not None:
self.supported_transports.append(transport)
self.http_listener = HTTPListener()
self.http_listener.start()
log.msg('SIP Engine started')
log.msg('Enabled SIP transports: %s' %
', '.join(transport.upper()
for transport in self.supported_transports))
