3Com VCX V7000 Manager's Manual - page 31

Making Calls

31

For example, suppose a company has three offices:

■

Phones at the Chicago office use an extension range from 1000 

through 1999.

■

Phones at the Atlanta office use an extension range from 2000 

through 2999.

■

Phones at the Dallas office use an extension range from 3000 through 

3999.

In this example, to call a user in Dallas, a user in Chicago dials a Dallas 

extension (3000 through 3999). The dial plan on the Chicago VCX system 

sets up the necessary connection to the Dallas VCX system and then to 

the extension at that site.

Class of Service 

Override

The Class of Service Override feature allows you to apply the capabilities 

of your own VCX telephone temporarily to another VCX telephone on 

the same local network.

For example, the telephone in a conference room may be configured to 

prevent long-distance telephone calls. You may, however, need to place a 

long-distance call during a meeting. If the permissions included with the 

Class of Service on your phone allow long-distance calling, you can use 

the Class of Service Override feature to apply your phone features to the 

conference room phone for one call only.

To activate the one-call-only Class of Service Override for a Manager’s 

phone:

1 Press the Features soft button.

2 Scroll to the COS Override feature. 

3 Press the Select soft button. The display panel displays 

COS Override 

on

 for a few seconds

.

4 Enter the COS number (your phone extension) and press #.

5 Enter the COS password (your telephone password) and press #.

6 When you hear the dial tone, dial the destination telephone number.

When you use Class of Service (CoS) Override, any reports that are 

generated on the VCX system indicate that the CoS features of your own 

VCX telephone were applied temporarily to the telephone on which you 

made the call.