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Chapter 4 - Advanced Configuration for your Network Environment

Entering the Private Network Number

The Private Network ISDN (or PRI) Number provides a second

number that can be used to call the ViewStation EX system (for

example, the company’s PBX has two different lines coming from

different network providers). It provides the correct numbers to the

caller for the additional lines needed after the connection of the first

line.

The Private Network Number can also be used to tell the PBX that

additional calls should be routed internally within the PBX instead

of going outside the PBX through the trunk line. In other words, the

Private Network Number can be used as a “fake” number which the

PBX handles as an internal number.

To access the Private Network ISDN (or PRI) Number screen:

Select System Info > Admin Setup > LAN/H.323 > Global Address

> Private Net.

This screen is only accessible if a BRI network interface is attached

to the system. The private number is generally obtained from the IT

manager or the network administrator.

Note

Some PBXs always signal the same called number independent of

which number was used to call an endpoint. The private number

method might fail in this situation.

Establishing Dialing Rules

Dialing Rules 1

ViewStation EX numbers are automatically normalized for the

address books of other ViewStation EX systems: Global Dial takes

into account the numbers, area codes (or city codes), country codes,

and international dialing access codes for systems that are placing

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Polycom Webcam Manuale Utente Pagina 127