VTech I6717 - Manual (Page 8)

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Installation
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 filter to the telephone line between the telephone base and
the telephone wall jack. Contact your DSL service provider for a DSL filter.
DSL filter (for
DSL users)
To single telephone jack (RJ11C)
Telephone line cord
• Most DSL
providers
recommend
installing a DSL
filter in every
telephone jack.
Your DSL service
provider may
provide more
information
regarding
telephone
interference.