DBL Technology Limited is a leading manufacturer in developing and manufacturing advanced VoIP products for worldwide markets. DBL has been dedicated to the development of the latest VoIP technology for 16 years and has developed a wide range of IP Phones and Gateways. DBL is committed to offering high quality, innovative and affordable products. DBL's VoIP products are fully compatible with industrial H.323 and SIP standards. They have been tested extensively for compatibility with ...