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  • Blockline Call restrictor
    The Blockline call restrictor is used to reduce the telephone bills. With it installed just calls that has been previously programmed can be dial out. Also it can block Long distance and International calls, mobiles phones, telco services, etc. Easy to install and easy to program.
    Keywords: Call  Restrictor  
    Blockline     Brazil
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  • ADSL FILTER
    This product is used to placed in serial with the telephone set, fax, etc, where it remove the ADSL frequency.
    Keywords: ADSL  Filter  
    Blockline     Brazil
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  • Secrecy
    The Blockline Secrecy, installed on each telephone extension, prevent that your conversation call can be listen on the extensions, also it prevent the iternet dial-up connection to be interrupted. The image is showing one of the models, we have other models to be sold.
    Keywords: Secrecy  
    Blockline     Brazil
       Send Inquiry         Online Chat