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1.6 Originating Features
Trunk Access, Direct
Description
Allows the PT user to get an idle CO line for making a call by pressing an idle CO button
directly. This automatically establishes the hands-free operation mode and allows the extension
user to perform On-Hook Dialling. There is no need to press the SP-PHONE button,
MONITOR button nor lift the handset.
Conditions
• CO Button Assignment
The following three types of CO buttons can be programmed on an extension by Station,
User or System Programming: Single-CO button, Group-CO button, and Loop-CO button.
• Class of Service programming
COS (Class of Service) programming determines the trunk groups available for each
extension user.
Programming Guide References
• 2.4 Class of Service (COS)
– Trunk Group Setting
• 4.3 Extension Line
– CO Key
Features Guide References
1.6 Originating Features
• Trunk Connection Assignment – Outgoing
1.16 Button Features
• Button, Line Access
User Manual References
• 2.2.1 Basic Calling
• 4.1.2 Customising the Buttons
• 4.3.5 Flexible CO Button Assignment (005)
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Features Guide
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