Panasonic ICX Manual

Section 700 - Operation

Chapter 3. System Features

ICX-35-700

ICX (International), issued March/1998

 45

•   CLI (Called Line Identification) / Direct Dial Inward (DDI)

•   Direct Inward System Access (DISA)

•   Extension calls

•   Private network attendant calls

•   Call forward incoming

•   Call forwarded to Attendant Hunt Group

If a Music-on-Hold (MOH) sound source is unavailable, a periodic hold tone generated internally in 
the System can be provided to a caller. For more information, see “Music-on-Hold” on page 46.

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When the System is configured for tenant operation, MCO Tenant Group determines which trunk 
groups are used for incoming and outgoing calls. 

Each MCO trunk group is assigned to an MCO tenant group for incoming calls and for outgoing calls. 
By default, Trunk Group 1 is assigned to MCO Tenant Group 1, Trunk Group 2 is assigned to MCO 
Tenant Group 2, etc. for both incoming and outgoing calls. 

For outgoing calls, each tenant group has 5 auto-trunk selections available. By default the first auto-
trunk selection is seized by entering 9, the second by entering 81, etc.

The number of MCO tenant groups available depends on the number of ports in the system as follows:

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96-port system:  ....1 to 12 MCO tenant groups

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192-port system: ...1 to 24 MCO tenant groups

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288-port system: ...1 to 36 MCO tenant groups

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384-port system: ...1 to 48 MCO tenant groups

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480-port system: ...1 to 60 MCO tenant groups

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576-port system: ...1 to 72 MCO tenant groups

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