• Blockline Coml. SP. LTDA

  Blockline is a brazilian development and manufacturing company of Telecom related products. We manufacture, call toll restrictors, telephone accessories, RF filters, telephone line protectors, adsl filters, etc.

  Telephone：55-11-43436382Address：R. Mario Rocco, 246

• Cabtel Communications

  Cabtel Communications originated in Jamaica 2003, primarily selling telephone call restrictors. We have since relocated our company 2006 to Florida, USA. Our main goal is offer small businesses the opportunity obtain a professional sleek design system and restrictors at affordable prices. ...

  Telephone： 1-954-450-2199Address：PO Box 260906