Quadro SW-Version 4.1.x Instalační příručka stáhnout pdf (Strana 47)

QuadroISDN Manual II: Administrator's Guide Administrator’s Menus

QuadroISDN; SW Version 4.1.x 47

To Delete an IP Range from the NAT Exclusion Table

1. Select the checkboxes of the corresponding IP range(s) that should to be deleted from the NAT Exclusion Table. Press Select all if all IP

ranges should to be deleted.

2. Press the Delete button on the NAT Exclusion Table page.

3. Confirm the deletion by pressing Yes. The IP range will then be deleted. To abort the deletion and keep the IP range in the list, press No.

ISDN Settings

The Integrated Services Digital Network (ISDN) is distinguished by digital telephony and data-transport services offered by regional telephone

carriers. ISDN involves the digitization of the telephone network, which permits voice, data, text, graphics, music, video, and other source material to

be transmitted over existing telephone wires. The ISDN Basic Rate Interface (BRI) service offers two B channels (voice transfer) and one D channel

(signaling data transfer). The BRI B-channel service operates at 64 kbit/s and is meant to carry user data. The BRI D-channel service operates at 16

kbit/s and is meant to carry control and signaling information, although it can support user data transmission under certain circumstances.

The ISDN service allows Quadro act as a user or as a network. If connected to a private PBX, the Quadro should be configured in the network

mode. If an ISDN trunk from the CO (Central Office) is connected to the Quadro, it should be configured as a user. Quadro supports the MSN

(Multiple Subscriber Number) service, i.e., it can be subscribed to multiple numbers from the CO, and two simultaneous calls can take place at a

time.

The ISDN Trunk Settings page is used to configure the ISDN trunk and their signaling. There are 4 ISDN trunks available on the Quadro ISDN

gateway.

This page offers the following input options:

The Trunk Settings table lists the available ISDN trunks on the

Quadro and their settings (trunk name and interface types).

The Edit functional button opens the Edit Entry page where

ISDN Trunk specific settings can be configured (see below).

The Start and Stop functional links are used to start/shutdown

the selected ISDN trunk(s). When an ISDN trunk is in a

shutdown state, ISDN calls cannot be placed or received.

The Restart functional link is used to bring channel(s) to the

initial idle state on both sides. When applying one of these

options, any active traffic on the channel(s) will be terminated.

The Copy to Trunk(s) functional link displays a page used to

choose a trunk to which selected trunk’s settings should be

copied to.

The Restore Default Settings functional link restores the

default signaling settings of the selected ISDN trunk(s).

Fig. II-83: ISDN Settings page

The Edit Entry page consists of the following components:

The Interface Type drop down list allows you to choose the

ISDN trunk interface configuration. At present, only User

interface is available on the Quadro.

The Coding Type drop down list allows you to select between

a-law and mu-law coding types.

The LoopBackMode the loopback mode may be selected for

trunk diagnostics purposes. When loopback is selected from this

list, the B1 and B2 channels will be switched to the loopback

mode, the D channels will remain operating normally and any

incoming traffic towards the corresponding B1/B2 channels of

the ISDN trunk will automatically be sent back to the traffic

initiator.

The Passive Mode checkbox is used to leave the ISDN Layer1

connection in the Slave mode. When this checkbox is selected,

Layer1 remains idle when calls are not available. When this

checkbox is not selected, Quadro keeps its Layer1 always

active.

Fig. II-84: ISDN Settings - Edit page

Clicking on the corresponding ISDN trunk will lead to the ISDN wizard where ISDN signaling settings can be configured. The ISDN Wizard consists

of several pages.

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