Device Configuration

The Device Configuration section is used for adding and configuring hardware on your 3Com NBX System. The Administrator's Guide found within the administrator's section of NetSet goes into great detail for each topic listed below.

Adding, Removing, and Modifying Telephones
This section describes how to add, remove, and modify telephones in the NBX NetSet utility. You can also review the status of each device and configure button mappings for NBX telephones.

Adding a Remote Telephone
NBX system software (release R4.2 and higher) supports Network Address Port Translation (NAPT, also called NAT overloading). NAPT allows you to put an NBX Telephone behind a device that applies network address translation at a remote location, such as a home office, and connect to the NBX call processor through an Internet connection. One typical configuration is to connect a cable/DSL modem to a small office/home office router that includes a firewall and Ethernet ports. You connect the NBX Telephone directly to one of the Ethernet ports. Another option is use the pcXset soft telephone application instead of an NBX Telephone.

Creating and Managing Bridged Extensions
Bridged extensions allow you to have the extension of a primary telephone appear on one or more secondary telephones. Most activities associated with the extension can be performed on both the primary telephone and any of the secondary telephones. However, you cannot use a bridged extension on a secondary telephone to place a call.

Creating and Managing Telephone Groups
Telephone groups let you create common Button Mappings. Button mappings let you assign specific actions to the buttons on an NBX Business Telephone. When you associate a Group with a specific telephone, the telephone inherits all the mappings of the Group.

For example, you can create a Group called Sales that includes Access buttons mapped to a set of CO lines. When you add a new salesperson to the group, you simply specify the Sales group for the telephone assigned to that person. All of the Sales group’s Button Mappings are then available on that person’s telephone.

Recording and Monitoring Telephone Calls
If you have call recording application software that runs on a PC that is external to the NBX system, you can record and monitor telephone calls to and from telephones on the NBX system. To enable call recording and monitoring on the NBX system, you must purchase a system-wide license. After you install the license, you can enable call recording and monitoring for these devices:

  • Analog telephones connected to ports on an Analog Terminal Card or to a single-port Analog Terminal Adapter.
  • NBX Telephones
  • Telephone Groups

Creating and Managing Button Mappings
Button Mappings allow you to place features, such as speed dial numbers and shortcuts, on telephone buttons for individual telephones or for telephone groups. In addition, you can use Button Mappings to map CO telephone lines to buttons and set up your system in one of these modes:

  • Key Mode system — In Key Mode, all outside lines map to individual buttons on users’ telephones. You can share lines by assigning one line to multiple telephones. Incoming calls ring on all telephones that have that line assigned. Any of those telephones can answer the call.
  • PBX (Private Branch eXchange) system — In a PBX system, outside lines are pooled and arbitrated by the Call Processor. To call an outside number, a user must dial the line pool access number, typically 9, and the Call Processor assigns the next available line.
  • Hybrid Mode system — In hybrid mode, some lines are assigned as keyed lines, while the rest are pooled.

You must use NBX Business Telephones to operate the system in key mode or hybrid mode. NBX Basic Telephones operate in PBX mode only.

Changing Device IP Settings
If you are using Standard IP network protocol, you can manually change the IP address of telephones, Line Card ports, Attendant Consoles, and Analog Terminal Cards. You modify the IP settings of a device if you plan to move the device to a different subnetwork than the one on which the Call Processor resides. If the new subnetwork is served by a DHCP server, the IP address you assign to the device must be outside the address range that the DHCP server uses.

3C10116D T1 and 3C10165D E1 Digital Line Cards can be installed in a remote location and communicate with their NCP over a routed network.

Configuring Call Park
When you park a call, anyone can retrieve it from any other telephone in the system by entering the Call Park extension that is associated with that call. Example: You need to transfer an incoming caller, but the person that you need to reach is not available. You can park the call on any unused Call Park extension and then page the person, announcing the Call Park extension where the call is parked. The person can then retrieve the parked call from any internal telephone by dialing the Call Park extension on which you parked the call.

Configuring the NBX Attendant Console
The NBX Attendant Console provides extended button mappings and displays the current status of each extension mapped to it. A receptionist typically uses the Attendant Console to connect incoming calls to telephone extensions.

Configuring and Managing Analog Line Card Ports
Each NBX Analog Line Card provides access for up to four local telephone lines into your NBX system. The Call Processor treats a line card port as an extension, so each line card port needs its own extension number.

Connecting and Managing Analog Devices
An Analog Terminal Card (ATC) or an Analog Terminal Adapter (ATA) allows ordinary analog (2500-series compliant) telephones, including cordless telephones and Group-3 facsimile (fax) devices, to operate with NBX systems.

Configuring and Managing BRI-ST Digital Line Cards
A BRI-ST Digital Line Card can be added and configured to handle a BRI line with four BRI spans using the ST interface.

Configuring and Managing E1 Digital Line Cards
An E1 Digital Line Card can be added and configured to connect to an E1 service provided by the local telephone company. You can configure an E1 Digital Line Card for ISDN PRI signaling only.

Configuring and Managing T1 Digital Line Cards
A T1 Digital Line card can be added and configured to connect to a T1 service provided by the local telephone company.

Setting Up a Digital Line Card at a Remote Location
Each 3C10116D T1 Digital Line Card and 3C10165D E1 Digital Line Card can function as a standalone unit and communicate with the NBX Network Call Processor over a routed network. To function as a remote card, the card must have the normal IP settings (IP address, default gateway, and subnet mask), and one extra setting, the IP address of the NBX Network Call Processor.

Setting Up T1/E1 Logging
The 3C10116D T1 Digital Line Card and the 3C10165D E1 Digital Line Card can generate logging information. The TEP (T1, E1, Primary Rate Interface) logs are stored on the system disk drive and you can use the NBX NetSet utility to view, download, and delete log files. Each card has a separate log, up to a maximum of five log files. When a log reaches its maximum size, 5 MB, it begins to overwrite the oldest data. Because TEP logging has a performance cost, it is disabled by default. To enable TEP logging and to receive help interpreting the log results, contact your 3Com NBX Voice-Authorized Partner.

Viewing CSU State Information and Statistics
3C10165D E1 cards and 3C10116D T1 cards have an onboard channel service unit (CSU). You can use the NBX NetSet utility to view near end (local CSU) and far end (central office) state information and statistics about each connected span.

Using Loopback Tests
The 3C10116D T1 and 3C10165D E1 cards can respond to commands from the Central Office to loop back data at different points for diagnostic purposes. You enable each loopback test using the NBX NetSet utility. You initiate the Local and Framer loopback tests using the NBX NetSet utility. The Line and Payload loopback tests must be initiated by the Central Office or by test equipment emulating Central Office equipment.


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