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Reference Guide for the Model RT328 and Model RH348 ISDN Routers
B-2 Ordering ISDN Lines
Table B-1 summarizes the different switch types supported by your router and the related
information about the switch types (number of phone numbers and SPID numbers). The
information in this table refers to a “common” case and is recommended for such a case. However,
exceptions still exist to these figures. You can locate the provisioning information for the
appropriate North American switch type in the next sections.
Provisioning for Switches in North America
For North America, the Model RT328/RH348 router has been approved by Bellcore and has the
IOC (ISDN Ordering Code) “S” Capability, EZ-ISDN1. Ordering your ISDN line in this
configuration provides basic data and voice service. If you wish to use any advanced calling
features such as call waiting, you need to order a higher level of service such as IOC
“U.” In
particular, you need to have ACO (Additional Call Offering) provisioned in order to use call
waiting or incoming call bumping. If your telephone company is not familiar with the IOC
ordering codes, ask them what type of switch you will be connected to and whether it is
provisioned for National ISDN or a custom protocol. Use the information under each switch to
order your ISDN line.
Provisioning for AT&T 5ESS Switch
The AT&T 5ESS switch supports three types of ISDN service: National ISDN-1 (NI-1),
Multipoint, and Point-to-Point.
Table B-2 lists the provisioning features and settings for National ISDN-1 services when using the
AT&T 5ESS switch.
Table B-1. Switch Types Supported
Switch Type Region No. of Phone #s No. of SPIDs
AT&T 5ESS NI-1 North America 2 2
AT&T 5ESS Point to Point North America 1 0
AT&T 5ESS Multipoint North America 2 2
Northern Telecom NI-1 North America 2 2
Northern Telecom Custom North America 2 2
DSS1 Europe, Asia 2 N/A
Appbisdn.fm Page 2 Tuesday, October 10, 2000 3:29 PM