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Chapter 1 - Introduction and Description
Voice Channel 1. For instance, in our typical application channel 1 of the corporate MultiVOIP uses
extension 101. The Description is optional, but can be helpful if you assigned to a particular
individual or department, or in this case it defines the channel interface.
The H323 ID that was assigned to this phone number which identifies the office that is using this
extension. The IP Address of the Corporate MultiVOIP is 201.022.122.118 and the default port
number 1720 is used.
So now when you "come alive", the Gatekeeper will register you with the above alias address. No
other H323 endpoint can use this alias. This is like your own telephone number.
Now, if you choose the Proprietary PhoneBook option in the Phone Directory Database dialog box
instead of the Gatekeeper option, the Database Type group would become active and the RAS
Parameters group is inactive (greyed out).
Now, lets change the typical application to not have the Gatekeeper control the call session. When
you elect to use the Proprietary PhoneBook, you set up a Host-Client relationship. This relationship
allows one MultiVOIP to maintain the Phone Directory Database and publish this data base to all
MultiVOIP participants in the network. This proprietary data base allows you to see all the
participants in your network and provides you with there phone numbers.
Lets again start with the corporate MultiVOIP and we will set up the database so that the corporate
MultiVOIP can call the remote branch office and the remote branch office can call the corporate
MultiVOIP. To do this, the Phone Directory Database will have two entries for the corporate office and
two entries for the Remote Branch Office. Extension 101 at the corporate office is tied to voice
channel 1 and extension 102 to channel 2. The Description again ties to the type of interface used
on the corporate MultiVOIP (FXO). The Hunt Group in this situation is set for No Hunt. But if you
wanted to activate a Hunt Group, i.e., if an extension on the MultiVOIP is busy and you wanted to
look for another extension, you can assign a hunt group to those extensions. So that, say extension
101 is busy, the corporate MultiVOIP would roll over to extension 102.
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