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The i 5857 is an advanced cordless telephone that operates in the 5.8GHz frequency range.
Your i 5857 is capable of supporting up to a maximum of 8 Handsets. Using additional
Handsets, up to three people can be conferenced on a call (2 Handsets and the Base
Speakerphone), or two extensions can be conferenced on a call, while two other extensions
can be talking internally, using the Intercom feature.
This manual is designed to familiarize you with the i 5857 cordless telephone. We strongly
recommend you read the manual before using your phone.
To order additional system Handsets (model number i 5803 or i 5807), battery cells or
Introduction
headsets, call VTech Communications, Inc. at 1-800-595-9511. In Canada, call 1-800-
267-7377.