To ensure the quality of both the telephony and the ADSL, it is imperative that every piece of telephony equipment must be filtered including telephones, fax machines and even simple tone callers.

This does not mean that every piece of equipment must have a filter, only that every telephone socket that has telephony equipment attached to it must have a Microfilter fitted first. The diagrams below show you how to connect your telephony equipment and your BT Voyager USB.

If more than the two Microfilters supplied are to be used on one line as in the above diagram then you should be certain that any additional Microfilters bought are designed to operate in this configuration. Incorrect filters may cause problems with either your telephony products or impede the ADSL speeds.

The BT MF50 ADSL Microfilter is available for sales through the BT Shop, click on the link below to buy this product now or by free phone 0800 800 152.

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