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Bittel manufacture and market lodging telephone sets purchased by the international and national hotels. Bittel has been not only accredited to ISO9001 quality approval in 1998, but also to FCC, CE, CCC quality system. Bittel guestroom telephone sets are fully compatible with Alcatel, Siemens, Nortel, Mitel, Ericsson, etc. pbx (switch) systems. |
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