During fifteen years of experience in the hospitality field, Bittel has been not only accredited to ISO9001 quality system in 1998, but also to FCC,CE,CCC quality system. Bittel has now become a global cooperative supplier of the communication programme of Hipath Hospitality of Simens---the famous hospitality communication expert. And at the same time it is also a coordinative supplier to Alcatel and Philips hospitality PBX....