VTech i6789 Cordless Telephone User Manual


 
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6
Installation
Basic operation
If you subscribe to DSL service
If you receive high speed internet through your telephone line (commonly referred to as DSL), and
you are experiencing interference during telephone conversations and/or your caller ID features are
not functioning properly, install a DSL lter to the telephone line between the telephone base and
the telephone wall jack. To obtain a DSL lter and more information about DSL interference, contact
your DSL service provider.
Installation
Most DSL
providers
recommend
installing a DSL
lter in every
telephone jack.
Your DSL service
provider may
provide more
information
regarding
telephone
interference.
DSL filter (for
DSL users)
To single telephone jack (RJ11C) Telephone line cord