Polycom DOC2230A instruction

8.In the PRI Settings dialog box, define the following parameters:

Table 3-2: PRI Settings Dialog Box Options

Field	Description

Default num-type	The num-type defines how the system handles the
	dialing digits. If you want the network to interpret the
	dial digits for routing the call, select Unknown.

Num-plan	For video conferencing purposes, select the ISDN
	option.

Voice	Indicate the frequency of the data being sent. For
	practical purposes, the Voice option is set to 3.1
	KHz as it is the more widely used frequency.

Sub Services	Some service providers (carriers) may have several
	service programs that can be used. They may also
	use a backup service provider in case of
	malfunction in the ISDN network. The Sub-Service
	list displays the list of currently defined sub
	services.
	To define a service program to be used, click the
	Add button. The Sub-Servicedialog box opens.
	To remove a service program from the list, highlight
	it in the list box and click the Del button.
	To set a service program as the default, highlight it
	in the list box and click the Default button.
	To edit the parameters of a sub-service, double-click
	its name in the sub-services list. The Sub-Service
	dialog box opens.

9.If you are not defining a sub-service or if you have completed the sub-service definition, click Next to continue.

The Span Definition dialog box opens. To continue the definition of the Network Service without defining a sub service, skip to step 12.

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