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This guide covers the basic features and operation of the 

Trio 8300 Conference telephone. For more information 

including a video tutorial, please visit the Star2Star 

Knowledge Base at 

knowledge.star2star.com

Introduction:

The Poly Trio 8300 is a full-featured conference phone, 

suitable for use in smaller conference rooms. Despite its 

small size, the Trio 8300 delivers a full suite of conference 

phone features, including built-in conference calling, 

room-filling sound, and connectivity for mobile devices.  

The 8300 includes Poly’s NoiseBlock  feature, which 

automatically eliminates background noise for clearer, 

more productive conference calls. 

Trio 8300 Conference Telephone

 

Quick User Guide

Getting to Know Your Phone:

The Trio 8300 has a large, full-range speaker at the 

center of its triangular shape, with a microphone in each 

of the three arms of the phone. The front of the phone 

contains a large LCD display with a set of control keys, 

a numeric keypad, and other related controls alongside 

the  keypad. 
Three triangular LEDs at the top of the phone glow green 

when a conversation is in progress, and red when the 

phone is muted. 
This diagram shows the main components of your Trio 

8300 telephone.

Navigating the Menu System

The Trio 8300 features a large monochrome LCD display 

screen with four flexible “soft keys’ at the bottom of the 

screen. 

The function of the soft keys changes depending on 

the operation being performed. Immediately below 

the screen is a 4-way keypad with a center Enter key.  

Dedicated buttons on either side of the keypad return to 

the previous item or to the home menu screen. 

Navigation Key Shortcuts:

The four arrow keys (up, down, left, and right) on the 

4-way keypad provide quick access to your call history as 

well as your favorite numbers. 

•  Up – Favorites list
•  Right – Placed calls list
•  Down – Missed calls list
• 

Left – Incoming calls list

Placing Outgoing Calls:

To place a call, do one of the following:
•  Enter the phone number on the keypad and press  

the Dial key 

.

• 

Press the Contacts softkey, select a directory, select 

a contact, and press Dial.

• 

Press the Recent Calls softkey, select a contact, and 

press Dial.

• 

Press the up-navigation key on the home screen to 

access Favorites, select a Favorite, and press Dial 

Answering Incoming Calls:

Press the Green Dial 

 key  while the phone is ringing.

① Speaker & microphone

 

② USB Device Connector

③ Softkeys

④ USB Host Port

⑤ Home Key

⑥ /- Keys

⑦ Mute Key & Indicator

⑧ Dial Keypad

⑨ Hang Up Button

⑩ Answer / Dial Button

⑪ Back key

⑫ 4-way Keypad

⑬ Display Screen

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